Montana Bug Bites — Weekly Forecast for the Week of October 12, 2026
Week of October 12, 2026 · ❄️ Dormant Bug Risk · Billings: 35.1°F, 90% humidity

Fall outdoor landscape in Montana — bug bite and mosquito activity forecast — Just Bite Me temporary bug bite relief · Photo: wigglygrizzly / Pixabay
Welcome to our weekly Montana dormancy tracker for the week of October 12, 2026. This week, we’re firmly in a state of widespread dormancy across Montana, with temperatures dropping significantly, rendering most outdoor biting insects inactive. While recent weeks have seen somewhat wetter than usual conditions across the state, with approximately 55mm of rain, which has helped sustain higher mosquito numbers than a typical early October would suggest, the current cold snap has effectively put an end to any outdoor Montana bug bites. This page is dedicated to tracking dormancy, and you’ll find seasonal local information below, including notes on frost, indoor pests, and next-season preparation, rather than bite forecasts. We diligently re-check temperatures every week and will restore full bite forecasts as soon as overnight lows and daytime highs warm enough to support insect activity.
In Northwest Montana, temperatures are holding steady around 31.1°F during the day and dipping to near 30.2°F overnight. This consistent cold ensures that any lingering mosquitoes from the recent wet spell are now inactive, and the region is experiencing widespread frost.
Northeast Montana is also experiencing dormant conditions, with daytime temperatures hovering around 33.6°F and overnight lows near 32.1°F. The chill in the air means that black flies and other outdoor biting insects are no longer a concern.
Moving to Southwest Montana, the cold is even more pronounced, with daytime highs around 25.8°F and overnight temperatures plunging to near 23.3°F. This deep freeze guarantees that all outdoor biting insects are inactive here.
Finally, Southeast Montana is likewise dormant, with temperatures around 35.1°F during the day and 34.0°F overnight. While the outdoor biting insect season is over, remember that Just Bite Me temporary bug bite relief is still readily available at retailers across Montana for any leftover indoor bites, upcoming travel, or to stock up for next season.
🗺️ Montana Dormancy Tracker by Region
Montana bug bites are dormant across most of the region this week. Expand your region below — every city and town is still listed. Local notes are seasonal information (frost, indoor pests, next-season prep) until temperatures rebound. We re-check the weather every week.
▶Northwest NW 29 communities
Northwest Montana is currently around 31.1°F with 98% humidity and overcast clouds. Mosquitoes and black flies are dormant here this week; city notes below cover frost, indoor pests, and next-season prep instead of bite risk. Moisture levels have been fairly typical lately, with 55mm of rain over the past month, compared with 41mm during the same stretch last year.
❄️ DormantGreat Falls
Residents near Gibson Park should be mindful of indoor leftover pests like cluster flies seeking refuge from the cold. The somewhat wetter conditions this past month have contributed to more humid environments, which can sometimes encourage these indoor nuisances
❄️ DormantKalispell
With overnight lows consistently below freezing, it’s time for yard prep around Woodland Park; drain standing water from planters and clear gutters. The 55.3mm of rain recently, a slight increase from last year, means there’s more potential for lingering moisture in various spots
❄️ DormantEvergreen
Outdoor biting insects remain inactive until temperatures, especially overnight lows, consistently stay above 10°C (50°F) in areas like the Flathead River corridor. The somewhat wetter trend over the last 30 days means that once it warms, there will be ample breeding grounds
❄️ DormantWhitefish
A first freeze watch is in effect for Whitefish, impacting areas around Whitefish Lake and local trails, so protect sensitive plants. The increased rainfall over the past month, compared to last year, has saturated the ground, making it more susceptible to hard freezes
❄️ DormantColumbia Falls
Consider a trip south where biting insects are still active if you’re missing the buzz, as local activity near the Flathead River is completely halted. The 55.3mm of precipitation this past month, a notable increase, has certainly helped to keep local insect populations at bay for now
❄️ DormantPolson
Mosquitoes are inactive around Flathead Lake and its shores until overnight temperatures consistently rise above 10°C (50°F). This month’s slightly higher rainfall totals compared to last year have ensured plenty of moisture, which will be a factor once warmer weather returns
❄️ DormantBigfork
Check basements and garages in Bigfork for overwintering mosquitoes and cluster flies, common indoor pests this time of year. The somewhat wetter climate of the last month, with 55.3mm of rain, means there’s been more dampness for these insects to seek shelter from
❄️ DormantMalmstrom Air Force Base
Base personnel should ensure all outdoor equipment is prepped for freezing, including draining any standing water from tire piles or containers. The slightly wetter conditions this past month, with an extra 14.7mm of rain, have increased the amount of incidental water that needs attention
❄️ DormantShelby
A first frost advisory is in place for Shelby, affecting gardens and exposed areas; ensure sensitive plants are covered. The region’s 55.3mm of rain in the last 30 days, a wetter period than usual, has left the ground saturated, potentially amplifying the frost’s impact
❄️ DormantCut Bank
Yard prep before the deep freeze is crucial here; clear gutters, remove standing water, and inspect woodpiles for ticks near local trails. With 55.3mm of rain over the past month, the ground is quite wet, which can contribute to colder soil temperatures
❄️ DormantLakeside
Indoor leftover pests, such as cluster flies, might be seeking warmth inside homes around Flathead Lake, away from the cold. The 55.3mm of rain this last month, a somewhat wetter period, has driven many insects to seek sheltered, dry locations
❄️ DormantLibby
Outdoor biting insects remain dormant until overnight lows consistently stay above about 10°C (50°F) in the Kootenai River area. The fact that the region saw 55.3mm of rain this past month, more than last year, has kept the environment damp but too cold for activity
❄️ DormantConrad
Residents should be aware of a first freeze watch for Conrad, which means it’s time to protect any remaining tender vegetation. The somewhat wetter conditions recently, with 55.3mm of rain, have saturated the soil, making it more prone to freezing solid
❄️ DormantNorth Browning
For those missing active bugs, a journey south is your best bet, as local insect activity is entirely suppressed by the cold. The 55.3mm of rain recorded in the last 30 days, a wetter trend, has ensured a damp but currently inactive landscape
❄️ DormantPablo
Mosquitoes are inactive around Pablo and the National Bison Range until overnight temperatures consistently exceed 10°C (50°F). The somewhat higher rainfall over the past month, at 55.3mm, indicates a well-hydrated environment awaiting warmer conditions
❄️ DormantRonan
Yard prep is essential; drain standing water from containers and check woodpiles for potential tick habitats near the Mission Mountains. The 55.3mm of rain this past month, an increase from the previous year, means there’s more moisture to manage before a hard freeze
❄️ DormantFrenchtown
Indoor leftover pests like cluster flies and overwintering mosquitoes might be found in basements seeking refuge from the cold. The 55.3mm of rain recently, marking a wetter period, has likely encouraged some insects to find indoor shelter from the elements
❄️ DormantSouth Browning
Outdoor biting insects are completely dormant until temperatures, particularly overnight lows, consistently rise above 10°C (50°F). The somewhat wetter conditions of the past 30 days, with 55.3mm of rain, have contributed to a generally damp but cold environment
❄️ DormantChoteau
A first frost advisory is in effect for Choteau, impacting gardens and exposed areas, so cover sensitive plants. The 55.3mm of rain that fell this past month, a wetter trend, has saturated the ground, making it more susceptible to a deep freeze
❄️ DormantSeeley Lake
Check basements and garages for overwintering mosquitoes, seeking warmth from the frigid conditions around Seeley Lake. The 55.3mm of rain over the last month, a somewhat wetter period, has provided ample moisture for these insects to seek shelter from
❄️ DormantSun Prairie
Until overnight lows stay above 10°C (50°F), mosquitoes and other biting insects remain inactive across Sun Prairie. The 55.3mm of precipitation recorded recently, a wetter trend, means that once temperatures rise, there will be abundant breeding sites
❄️ DormantThompson Falls
Yard prep before the freeze is critical; clear gutters, remove standing water from tire piles, and check woodpiles for ticks. The 55.3mm of rain this past month, a somewhat wetter trend, means there’s more moisture to address in these areas
❄️ DormantSomers
Indoor leftover pests, such as cluster flies, may be seeking refuge inside homes around Flathead Lake, away from the cold. The 55.3mm of rain over the last 30 days, a wetter period, has likely driven many insects to seek sheltered, dry locations
❄️ DormantEureka
Outdoor biting insects remain dormant until temperatures, especially overnight lows, consistently stay above 10°C (50°F) in the Tobacco Valley. The 55.3mm of rain this past month, a notable increase, has certainly helped to keep local insect populations at bay for now
❄️ DormantPlains
Consider a trip south where biting insects are still active if you’re missing the buzz, as local activity near the Clark Fork River is completely halted. The 55.3mm of precipitation this past month, a somewhat wetter trend, has ensured a damp but currently inactive landscape
❄️ DormantBrowning
Mosquitoes are inactive around Browning until overnight temperatures consistently exceed 10°C (50°F). This month’s slightly higher rainfall totals compared to last year, at 55.3mm, indicate a well-hydrated environment awaiting warmer conditions
❄️ DormantLincoln
Yard prep before the deep freeze is crucial here; clear gutters, remove standing water, and inspect woodpiles for ticks near the Blackfoot River. With 55.3mm of rain over the past month, the ground is quite wet, which can contribute to colder soil temperatures
❄️ DormantChester
A first frost advisory is in place for Chester, affecting gardens and exposed areas; ensure sensitive plants are covered. The 55.3mm of rain in the last 30 days, a wetter period than usual, has left the ground saturated, potentially amplifying the frost’s impact
❄️ DormantSuperior
Indoor leftover pests, like cluster flies and overwintering mosquitoes, might be found in basements seeking refuge from the cold. The 55.3mm of rain recently, marking a wetter period, has likely encouraged some insects to find indoor shelter from the elements
▶Northeast NE 18 communities
Northeast Montana is currently around 33.6°F with 95% humidity and overcast clouds. Outdoor biting insects are inactive under these temperatures. Local notes stay in the accordion as seasonal information until nights warm up. Rainfall has tracked close to normal over the past month (55mm of rain over the past month, compared with 41mm during the same stretch last year), so today’s conditions are a fair guide on their own.
❄️ DormantHavre
Residents near Beaver Creek Park should prepare their yards for the approaching freeze; clear standing water from old tires and woodpiles to prevent future mosquito breeding sites when temperatures rise. The somewhat wetter conditions this past month, with 55.3mm of rain, have contributed to saturated ground across the Hi-Line area
❄️ DormantSidney
As temperatures drop, homeowners in the Yellowstone River area might notice overwintering mosquitoes seeking shelter in basements and cluster flies around window sills, lying dormant until warmer spring weather. This past month’s 55.3mm of rain, somewhat higher than last year, has kept local vegetation unusually damp
❄️ DormantLewistown
Outdoor biting insects are inactive around Big Spring Creek and local trails; mosquitoes remain dormant until overnight lows consistently stay above approximately 10°C (50°F), a threshold not met this week. The 55.3mm of rain over the last 30 days, exceeding previous year’s figures, has left a noticeable increase in soil moisture throughout the Judith Basin
❄️ DormantGlendive
With the cold weather, it’s time for residents near Makoshika State Park to ensure gutters are clear and tire piles are emptied of standing water, preventing them from becoming mosquito nurseries when spring arrives. This month’s 55.3mm of rainfall, a notable increase from last year, has saturated the ground around town
❄️ DormantGlasgow
For those accustomed to outdoor activities near Fort Peck Lake, this is a good week to consider travel south to warmer climates where biting insects like mosquitoes and deer flies are still quite active. The region’s 55.3mm of precipitation in the last 30 days, more than normal, means more potential standing water sources for next season
❄️ DormantWolf Point
Locals around the Missouri River should be aware that while outdoor biting insects are dormant, overwintering mosquitoes may have already found shelter in insulated areas like basements, waiting out the cold. The 55.3mm of rain received this past month, which is more than last year, has left the soil noticeably wetter than usual
❄️ DormantMalta
With the cold snap, a first freeze watch is in effect for areas around Nelson Reservoir and local farmlands, signaling the end of the active outdoor insect season. The increased rainfall of 55.3mm over the past 30 days, compared to previous years, has kept local waterways and ditches fuller
❄️ DormantWest Glendive
Residents in West Glendive should take this opportunity to clear yard debris and standing water sources, like old tires or neglected buckets, which would otherwise become mosquito breeding grounds in warmer months. The somewhat wetter conditions, with 55.3mm of rain this month, have meant more persistent damp spots in the landscape
❄️ DormantPlentywood
Around Plentywood Lake, outdoor biting insects are dormant; mosquitoes won’t become active until overnight temperatures reliably rise above 10°C (50°F), which is still weeks away. The 55.3mm of rain that fell over the last month, a significant increase from last year, has left the ground thoroughly saturated
❄️ DormantFort Benton
As the cold sets in along the Missouri River, homeowners should be on the lookout for indoor pests like cluster flies and overwintering mosquitoes that may have sought refuge in basements or attics. This past month’s 55.3mm of rain, surpassing last year’s amount, has kept the riverbanks and surrounding areas unusually damp
❄️ DormantFort Belknap Agency
Those near the Little Rocky Mountains should prepare their yards for the upcoming freeze, focusing on clearing standing water from any containers or woodpiles that could harbor mosquito larvae later. The 55.3mm of rain over the last 30 days, noticeably more than the same period last year, has contributed to higher soil moisture levels across the reservation
❄️ DormantChinook
Around the Milk River, biting insects are dormant; mosquitoes specifically require consistent overnight lows above 10°C (50°F) to become active, a condition far from present this week. The 55.3mm of precipitation this month, higher than usual, has left the local environment noticeably wetter
❄️ DormantScobey
With the cold weather, it’s a good time for residents near the Canadian border to consider a trip south to regions where biting insects are still active, enjoying warmer temperatures and outdoor activities. The 55.3mm of rainfall over the past month, a significant increase from last year, has contributed to particularly damp ground conditions locally
❄️ DormantWibaux
A first freeze watch is in effect for Wibaux and surrounding agricultural areas, signifying that outdoor biting insects have entered their dormant phase for the season. The 55.3mm of rain recorded this past month, a marked increase, has kept the local landscape much wetter than is typical for this time of year
❄️ DormantCircle
Outdoor biting insects around Circle are dormant; mosquitoes will not emerge until overnight lows consistently stay above approximately 10°C (50°F). The 55.3mm of rain over the last 30 days, considerably more than last year, has ensured that any low-lying areas and ditches are holding extra moisture
❄️ DormantJordan
Residents near the Garfield County Museum might encounter overwintering mosquitoes in basements or cluster flies indoors as the cold pushes them inside, where they remain dormant. This month’s 55.3mm of rain, exceeding previous year’s totals, has led to notably saturated ground conditions throughout the region
❄️ DormantStanford
With the impending freeze, it’s crucial for homeowners in Stanford to clear gutters, empty tire piles, and ensure woodpiles are not collecting water, removing potential future mosquito habitats. The 55.3mm of rain this past month, an increase from last year, has resulted in a wetter soil profile across local properties
❄️ DormantWinnett
For those living near the Musselshell River, outdoor biting insects are dormant; mosquitoes require consistent overnight temperatures above 10°C (50°F) to become active, which is not the case this week. The 55.3mm of precipitation over the last 30 days, a noticeable uptick, has contributed to a higher water table in the area
▶Southwest SW 35 communities
Southwest Montana is currently around 25.8°F with 80% humidity and overcast clouds. This quadrant is below the flight threshold for mosquitoes. Town entries are unique seasonal notes, not bite forecasts. With 55mm of rain over the past month, compared with 41mm during the same stretch last year, the past month hasn’t swung much from the usual pattern here.
❄️ DormantMissoula
In Missoula, residents should be preparing their yards for the upcoming freeze. Clear standing water from bird baths and planters near Rattlesnake Creek, clean gutters, and remove tire piles near the Clark Fork River to reduce mosquito breeding sites next spring. The past month’s wetter-than-usual conditions, with 55.3mm of rain, have left more puddles that will soon freeze solid
❄️ DormantBozeman
Bozeman’s outdoor biting insects are dormant, but it’s a good time to consider indoor pests. Cluster flies and overwintering mosquitoes might be found in basements and attics of homes in the South Willson historic district, seeking refuge from the cold. With 55.3mm of rain over the last 30 days, slightly above average, there’s been ample moisture for larvae development earlier in the season
❄️ DormantButte
For residents in Butte, a first freeze watch is likely soon, signaling the end of any remaining outdoor insect activity. Secure outdoor items and ensure sensitive plants near the World Museum of Mining are protected from the dropping temperatures. The region’s 55.3mm of precipitation recently, exceeding last year’s figures, has contributed to very saturated ground
❄️ DormantHelena
Outdoor biting insects are dormant in Helena, so this is an ideal time to check on yard prep. Clear standing water from any containers around Spring Meadow Lake State Park and ensure gutters are free of debris before the ground freezes solid. The 55.3mm of rain in the last month, a higher-than-average amount, means more areas have collected water that will soon turn to ice
❄️ DormantAnaconda
In Anaconda, with cold weather settling in, it’s wise to think about yard preparation. Remove any standing water from old tires or buckets near the Old Works Golf Course, and clean out your gutters to prevent future ice dams. The past month’s 55.3mm of rain, which is more than usual, has increased the amount of moisture available to freeze
❄️ DormantHelena Valley Southeast
Outdoor biting insects around Helena Valley Southeast are dormant due to the cold, but homeowners should still be mindful of yard winterization. Drain any standing water from children’s toys or pet dishes near East Helena High School, and make sure woodpiles are neatly stacked and clear of potential tick habitats. The slightly wetter conditions of the last 30 days, with 55.3mm of rain, mean there’s more surface water to manage before a hard freeze
❄️ DormantBelgrade
As temperatures drop in Belgrade, a first freeze watch is likely to be issued soon. Take precautions to protect any delicate plants and bring in garden hoses near Lewis and Clark Park. The 55.3mm of rain experienced over the past month, a notable increase from last year, has saturated the local soil significantly
❄️ DormantHelena Valley West Central
With outdoor biting insects dormant, residents in Helena Valley West Central might consider what’s happening indoors. Overwintering mosquitoes could be hiding in the cooler, darker corners of basements near the Helena Regional Airport, seeking shelter from the cold. The 55.3mm of rain that fell over the last 30 days, making it a wetter period than usual, has provided ample moisture for insect life earlier in the season
❄️ DormantOrchard Homes
In Orchard Homes, the time has come for crucial yard preparation before a hard freeze. Ensure all standing water is emptied from wheelbarrows and tarps around Fort Missoula Regional Park, and inspect woodpiles for potential tick habitats. The recent 55.3mm of rain, a higher amount than average, has left many areas quite damp, which will soon freeze
❄️ DormantHamilton
For those in Hamilton, outdoor biting insects are dormant, making it a good time to focus on yard winterization. Clear out any standing water from gutters and check under decks near the Bitterroot River for hidden puddles that will freeze. The 55.3mm of rainfall in the last month, a wetter period than normal, has meant more water has collected in various spots
❄️ DormantDillon
Outdoor biting insects are dormant in Dillon, so attention shifts to indoor pests. Cluster flies may be congregating in attics, and overwintering mosquitoes could be in basements of homes near the Beaverhead River, seeking warmth. The recent 55.3mm of rain, a greater amount than last year, indicates a very moist environment throughout the area before the freeze
❄️ DormantLolo
In Lolo, a first freeze watch is imminent, signaling the end of the growing season and any lingering outdoor insect activity. Protect sensitive plants and drain bird baths near Lolo Creek to prevent ice damage. With 55.3mm of rain over the last 30 days, exceeding the usual, the ground is particularly saturated
❄️ DormantHelena Valley Northwest
Outdoor biting insects are dormant around Helena Valley Northwest, prompting residents to consider yard prep. Clear standing water from any old tires or buckets near Hauser Lake and ensure your gutters are clean to prevent ice buildup. The 55.3mm of rain this past month, a wetter trend than typically seen, has left plenty of surface water to freeze
❄️ DormantFour Corners
For residents in Four Corners, the cold has made outdoor biting insects dormant. It’s a good time to consider travel plans south where bugs are still active, perhaps to warmer climates. The 55.3mm of rain over the past 30 days, a wetter-than-average period, has contributed to very moist conditions before the freeze
❄️ DormantWarm Springs
In Warm Springs, with the outdoor biting insects dormant, focus can shift to indoor pest management. Overwintering mosquitoes and cluster flies might be found in the quieter corners of homes near the Warm Springs Ponds, escaping the dropping temperatures. The past month’s 55.3mm of precipitation, a slight increase from the norm, has provided extra moisture
❄️ DormantHelena Valley Northeast
As outdoor biting insects are dormant in Helena Valley Northeast, consider your yard’s readiness for winter. Drain any standing water from containers around Canyon Ferry Lake and ensure woodpiles are stacked away from the house to deter pests. The 55.3mm of rain in the last month, a wetter period than normal, has resulted in ample moisture to contend with before the freeze
❄️ DormantDeer Lodge
Deer Lodge residents should be aware that a first freeze watch is likely to be issued soon, marking the definite end of outdoor insect activity. Bring in garden tools and cover outdoor faucets near the Old Montana Prison. The 55.3mm of rain over the past 30 days, a greater amount than usual, has left the local environment very damp
❄️ DormantMontana City
Outdoor biting insects are dormant in Montana City, so it’s a good time to tackle yard prep. Clear standing water from any tarps or buckets around the local parks and ensure gutters are clean and free of debris. The past month’s 55.3mm of rain, which is more than average, has contributed to particularly wet conditions that will soon freeze
❄️ DormantBig Sky
In Big Sky, outdoor biting insects are dormant due to the cold, but indoor pests might become more noticeable. Cluster flies and overwintering mosquitoes may be seeking refuge in basements and attics of cabins near the ski resort. The 55.3mm of rain over the last month, a wetter period than normal, means there was ample moisture for insect development earlier
❄️ DormantEast Missoula
For East Missoula, a first freeze watch is imminent, signaling the need for final yard preparations. Bring in any sensitive potted plants and ensure water features near the Blackfoot River are drained to prevent freezing. The region’s 55.3mm of rain recently, exceeding last year’s totals, has led to very saturated ground
❄️ DormantEast Helena
Outdoor biting insects are dormant in East Helena, but consider what’s happening indoors. Overwintering mosquitoes might be found in basements, and cluster flies in attics, seeking warmth from the cold outside. The 55.3mm of rain in the last 30 days, a higher-than-average amount, has provided ample moisture for early season insect populations
❄️ DormantTownsend
As outdoor biting insects are dormant in Townsend, it’s an opportune time for yard winterization. Clear standing water from any old tires or containers near Canyon Ferry Lake and ensure your gutters are clean to prevent ice buildup. The past month’s 55.3mm of rain, a wetter period than typically seen, means there’s more surface water to manage
❄️ DormantThree Forks
In Three Forks, a first freeze watch is likely to be issued soon, making it crucial to protect outdoor plants. Secure garden furniture and drain any standing water from bird baths near the headwaters of the Missouri River. The 55.3mm of rain over the past month, a greater amount than usual, has made the local environment quite damp
❄️ DormantStevensville
Outdoor biting insects are dormant in Stevensville, so residents should be preparing their yards for the upcoming freeze. Clear standing water from planters and old tires near St. Mary’s Mission, and clean gutters to prevent ice dams. The past month’s wetter-than-usual conditions, with 55.3mm of rain, have left more puddles that will soon freeze solid
❄️ DormantBonner-West Riverside
For Bonner-West Riverside, with outdoor biting insects dormant, it’s a good time to consider yard prep. Remove any standing water from old buckets or tarps near the Clark Fork River, and make sure woodpiles are neatly stacked and clear of potential tick habitats. The slightly wetter conditions of the last 30 days, with 55.3mm of rain, mean there’s more surface water to manage before a hard freeze
❄️ DormantClancy
Outdoor biting insects are dormant in Clancy, but it’s a good time to consider indoor pests. Cluster flies and overwintering mosquitoes might be found in basements and attics of homes, seeking refuge from the cold. With 55.3mm of rain over the last 30 days, slightly above average, there’s been ample moisture for larvae development earlier in the season
❄️ DormantHelena West Side
In Helena West Side, the time has come for crucial yard preparation before a hard freeze. Ensure all standing water is emptied from wheelbarrows and tarps around Mount Helena City Park, and inspect woodpiles for potential tick habitats. The recent 55.3mm of rain, a higher amount than average, has left many areas quite damp, which will soon freeze
❄️ DormantManhattan
As temperatures drop in Manhattan, a first freeze watch is likely to be issued soon. Take precautions to protect any delicate plants and bring in garden hoses near the Gallatin River. The 55.3mm of rain experienced over the past month, a notable increase from last year, has saturated the local soil significantly
❄️ DormantWest Yellowstone
Outdoor biting insects are dormant in West Yellowstone due to the cold, but indoor pests might become more noticeable. Cluster flies and overwintering mosquitoes may be seeking refuge in basements and attics of lodges near Yellowstone National Park. The 55.3mm of rain over the last month, a wetter period than normal, means there was ample moisture for insect development earlier
❄️ DormantBoulder
In Boulder, with the outdoor biting insects dormant, focus can shift to indoor pest management. Overwintering mosquitoes and cluster flies might be found in the quieter corners of homes, escaping the dropping temperatures. The past month’s 55.3mm of precipitation, a slight increase from the norm, has provided extra moisture
❄️ DormantWhitehall
For those in Whitehall, outdoor biting insects are dormant, making it a good time to focus on yard winterization. Clear out any standing water from gutters and check under decks near the Jefferson River for hidden puddles that will freeze. The 55.3mm of rainfall in the last month, a wetter period than normal, has meant more water has collected in various spots
❄️ DormantClinton
As outdoor biting insects are dormant in Clinton, consider your yard’s readiness for winter. Drain any standing water from containers and ensure woodpiles are stacked away from the house to deter pests. The 55.3mm of rain in the last month, a wetter trend than typically seen, has resulted in ample moisture to contend with before the freeze
❄️ DormantWhite Sulphur Springs
White Sulphur Springs residents should be aware that a first freeze watch is likely to be issued soon, marking the definite end of outdoor insect activity. Bring in garden tools and cover outdoor faucets. The 55.3mm of rain over the past 30 days, a greater amount than usual, has left the local environment very damp
❄️ DormantPhilipsburg
Outdoor biting insects are dormant in Philipsburg, so attention shifts to indoor pests. Cluster flies may be congregating in attics, and overwintering mosquitoes could be in basements of homes near Discovery Ski Area, seeking warmth. The recent 55.3mm of rain, a greater amount than last year, indicates a very moist environment throughout the area before the freeze
❄️ DormantVirginia City
For Virginia City, with outdoor biting insects dormant, it’s a good time to consider travel plans south where bugs are still active, perhaps to warmer climates. The 55.3mm of rain over the past 30 days, a wetter-than-average period, has contributed to very moist conditions before the freeze
▶Southeast SE 22 communities
Southeast Montana is currently around 35.1°F with 90% humidity and overcast clouds. Cold has shut down most outdoor biters. We re-check temperatures every week and will restore bite forecasts when this area warms. Moisture levels have been fairly typical lately, with 55mm of rain over the past month, compared with 41mm during the same stretch last year.
❄️ DormantBillings
Residents in Billings should be preparing their yards for the impending freeze, clearing standing water from bird baths and tire piles near Riverfront Park to prevent future mosquito breeding sites. The somewhat wetter conditions this past month, with 55.3mm of rain, have left more puddles that will soon freeze solid
❄️ DormantMiles City
For those in Miles City accustomed to outdoor activities along the Yellowstone River, remember that mosquitoes won’t become active until overnight lows consistently stay above 10°C (50°F). The past month’s 55.3mm of rain, a wetter trend than last year, means more potential for spring mosquito habitats if not properly drained
❄️ DormantLivingston
While outdoor biting insects are dormant, homeowners in Livingston, especially near Sacajawea Park, might notice overwintering mosquitoes or cluster flies seeking refuge indoors in basements or attics. This past month’s 55.3mm of rain, somewhat above average, contributes to the overall moisture levels that these insects seek out
❄️ DormantLaurel
As cold weather settles in Laurel, it’s wise to clear out gutters and ensure proper drainage around your home, particularly before the first hard freeze, to minimize future breeding grounds near Lions Park. A recent 55.3mm of rain over the last 30 days, more than usual, has saturated the ground and filled potential water traps
❄️ DormantLockwood
With biting insects dormant in Lockwood, now is a good time to consider travel south to warmer climates where bugs are still active, offering a different outdoor experience than local trails. The somewhat wetter month, seeing 55.3mm of precipitation, contrasts with these southern regions’ typically drier, warmer conditions
❄️ DormantHardin
Hardin residents should be on the lookout for the first frost or freeze watch, taking precautions to protect sensitive plants and outdoor plumbing before sustained cold sets in. The 55.3mm of rain received this past month, making it wetter than last year, has saturated the soil, potentially increasing the impact of an early freeze
❄️ DormantColstrip
While mosquitoes are currently inactive in Colstrip, their return is contingent on overnight temperatures rising and remaining above approximately 10°C (50°F), a key factor for their life cycle. The 55.3mm of rain in the last 30 days, a notably wetter period, has set the stage for more potential breeding sites once temperatures climb
❄️ DormantRed Lodge
Homeowners in Red Lodge, especially around the scenic areas near Rock Creek, should be mindful of indoor leftover pests like cluster flies and overwintering mosquitoes that may have sought shelter inside. This month’s 55.3mm of rain, an increase from last year, has provided ample moisture for these insects to thrive before seeking warmth
❄️ DormantLame Deer
Preparing yards in Lame Deer for the impending freeze is crucial; this includes emptying standing water from containers and checking woodpiles near local residences for potential tick habitats. This somewhat wetter month, with 55.3mm of rain, has created more moist environments where ticks might persist longer
❄️ DormantColumbus
Those in Columbus looking to escape the dormant insect season might consider a trip south where biting insects remain active, offering a stark contrast to the quiet local parks. The 55.3mm of rain over the past month, making it wetter than usual, highlights the shift in conditions compared to warmer locales
❄️ DormantBaker
For Baker residents, the first frost or freeze watch signals the time to secure outdoor water sources and prepare gardens for winter, especially around Fallon County Park. It’s noteworthy that the 55.3mm of rain this past month, somewhat wetter than last year, has saturated the ground, making these preparations even more vital
❄️ DormantForsyth
In Forsyth, the current dormancy of mosquitoes is directly linked to the requirement for overnight lows to stay consistently above 10°C (50°F) for their activity. The past 30 days’ 55.3mm of rain, a wetter trend, means more potential water sources for future mosquito populations once warmer weather returns
❄️ DormantRoundup
Homeowners in Roundup should consider checking basements and attics for indoor leftover pests such as cluster flies or overwintering mosquitoes during this cold period. The region’s 55.3mm of rain over the last month, a wetter condition than usual, may have encouraged more insects to seek indoor shelter
❄️ DormantBig Timber
As the cold sets in Big Timber, yard preparation before the freeze is essential, focusing on clearing gutters and eliminating standing water around residential areas and local trails. The 55.3mm of rain received recently, which is wetter than the same period last year, has led to increased moisture that needs to be managed
❄️ DormantCrow Agency
With biting insects dormant, Crow Agency residents might consider traveling south to areas where bugs are still active, experiencing a different kind of outdoor environment. The somewhat wetter conditions this past month, marked by 55.3mm of rain, contrast sharply with the warmer, drier climates found further south
❄️ DormantAbsarokee
The first frost or freeze watch for Absarokee means it’s time to protect outdoor spigots and bring in any sensitive potted plants to prevent damage from the cold. The 55.3mm of rain over the past month, a notably wetter period, has left the ground thoroughly soaked, which impacts how quickly the freeze will penetrate
❄️ DormantHarlowton
For Harlowton, the inactivity of mosquitoes is directly tied to the need for overnight temperatures to consistently remain above 10°C (50°F) for their life cycle to resume. This past month’s 55.3mm of rain, a wetter total than last year, means ample moisture will be available for breeding when conditions warm again
❄️ DormantTerry
As outdoor biting insects are dormant in Terry, residents may find overwintering mosquitoes or cluster flies taking refuge in their basements or other sheltered indoor spaces. The 55.3mm of rain in the last 30 days, creating wetter conditions, has likely driven more insects to seek warmth indoors
❄️ DormantBroadus
Yard preparation in Broadus before the freeze is important, including removing standing water from containers and checking woodpiles for potential tick habitats near local parks. The recent 55.3mm of rain, making this month wetter than last year, has increased the amount of moisture that could freeze or harbor pests
❄️ DormantEkalaka
With biting insects dormant in Ekalaka, residents might consider a trip south where bugs are still active, offering a different experience from the quiet local outdoors. The 55.3mm of rain this past month, which is a wetter trend than usual, highlights the current shift in local ecological conditions
❄️ DormantHysham
Hysham residents should be aware of the first frost or freeze watch, taking steps to secure outdoor items and prepare gardens for the colder months ahead. The 55.3mm of rain received over the last 30 days, a wetter period, has saturated the soil, potentially leading to more significant ground freezing
❄️ DormantRyegate
In Ryegate, the current dormancy of mosquitoes signifies that overnight lows must consistently rise above 10°C (50°F) for their activity to return. The 55.3mm of rain over the past month, a wetter condition than last year, means there will be numerous water sources for mosquitoes once temperatures allow
🛒 Where to Buy Just Bite Me Bug Bite Relief in Montana
Just Bite Me is available at 20 locations across Montana. Use the map below to find the nearest retailer.
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📍 20 Just Bite Me locations in Montana · View full retailer list
Montana Bug Bites: What to Know This Week
Check Montana bug bites against this week’s temperature, humidity, and rainfall before you pack. The city list above is the neighbourhood-level view; keep bite relief handy if you are heading outside.
About This Forecast
This weekly update for Montana uses current weather from OpenWeather. When daytime highs stay under about 10°C / 50°F (or nights drop near freezing), outdoor biting insects are treated as dormant and city notes switch to seasonal information instead of a bite forecast. Temperatures are re-checked every week so communities return to a full forecast as soon as they warm up. Store locations are sourced from Just Bite Me’s retailer database.
