State weather

Montana weather

Forecasts for 7 cities in Montana with 20,000+ residents from the National Weather Service. 1 NWS alerts are active in Montana, including 0 warnings.

City forecasts: snapshot of Oct 28, 12:27 AM MDT Alerts updated Oct 28, 12:15 AM MDT
Montana cities
CityCountyObservedForecastPopulation
BillingsYellowstone County41°F · Mostly ClearOvernight: Partly Cloudy, low 34°F121,483
MissoulaMissoula County41°F · Light RainOvernight: Patchy Fog, low 28°F78,204
Great FallsCascade County39°F · ClearOvernight: Partly Cloudy, low 37°F60,013
BozemanGallatin County39°F · CloudyOvernight: Patchy Fog, low 25°F57,894
ButteSilver Bow County34°F · ClearOvernight: Partly Cloudy, low 26°F35,480
HelenaLewis and Clark County43°F · CloudyOvernight: Patchy Fog, low 28°F34,729
KalispellFlathead County39°F · CloudyOvernight: Light Rain Likely, low 30°F31,296

Observed temperatures come from the NWS station nearest each city at the time of the snapshot. Open a city for current conditions, the next 24 hours and the 7-day forecast, loaded live from api.weather.gov.

Active alerts in Montana

Winter Weather Advisory Moderate Expected

Winter Weather Advisory issued October 27 at 11:45PM MDT until October 29 at 6:00AM MDT by NWS Great Falls MT

Area
East Glacier Park Region
In effect
Oct 28, 3:00 PM MDT
Until
Oct 29, 6:00 AM MDT
Issued by
NWS Great Falls MT
Full text

* WHAT...Snow expected. Total snowfall accumulations of 2 to 4 inches expected at Marias Pass with 4 to 8 inches expected above 6000 ft. * WHERE...East Glacier Park Region Zone. * WHEN...From 3 PM Wednesday to 6 AM MDT Thursday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions will impact the Wednesday evening commute. * ADDITIONAL DETAILS...Snowfall rates in excess of one half inch per hour are possible Wednesday afternoon and evening during brief periods of heavy snowfall.

What to do: Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.

For official warnings, check weather.gov and your local authorities. OpenForecast repeats National Weather Service alerts and may be delayed or incomplete. Follow instructions from emergency officials.

Other states

Sources

  • Forecasts, observations and alerts: National Weather Service API (api.weather.gov/alerts/active?area=MT).
  • Cities and population: U.S. Census Bureau, Vintage 2024 population estimates.
  • These agencies do not endorse OpenForecast.