National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Great Falls, Great Falls International Airport (KGTF)

Lat: 47.47333°NLon: 111.38222°WElev: 3675.0ft.

light snow,mist

33°F

1°C

Humidity 88%
Wind Speed W 13 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 30°F (-1°C)
Visibility 2.00 mi
Wind Chill24°F (-4°C)
Last update 17 Apr 02:05 PM MDT
Extended Forecast for

Great Falls MT

  • This Afternoon

    This Afternoon: A 50 percent chance of snow, mainly before 5pm. Mostly cloudy, with a steady temperature around 42. North northwest wind around 10 mph. Little or no snow accumulation expected.

    High: 42 °F

    Chance Snow

  • Tonight

    Tonight: A slight chance of rain and snow between 7pm and 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 26. West northwest wind 5 to 9 mph becoming southwest after midnight. Chance of precipitation is 20%.

    Low: 26 °F

    Slight Chance
    Rain/Snow
    then Partly
    Cloudy

  • Saturday

    Saturday: Sunny, with a high near 60. West southwest wind 9 to 14 mph, with gusts as high as 24 mph.

    High: 60 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 29. South southwest wind 5 to 10 mph, with gusts as high as 18 mph.

    Low: 29 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 70. Southwest wind 5 to 11 mph, with gusts as high as 20 mph.

    High: 70 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 39. Southwest wind 6 to 10 mph.

    Low: 39 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 75. West wind 5 to 8 mph.

    High: 75 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 44. West wind 5 to 10 mph becoming south in the evening.

    Low: 44 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 50 percent chance of snow, mainly before 5pm. Mostly cloudy, with a steady temperature around 42. North northwest wind around 10 mph. Little or no snow accumulation expected.
Tonight
A slight chance of rain and snow between 7pm and 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 26. West northwest wind 5 to 9 mph becoming southwest after midnight. Chance of precipitation is 20%.
Saturday
Sunny, with a high near 60. West southwest wind 9 to 14 mph, with gusts as high as 24 mph.
Saturday Night
Mostly clear, with a low around 29. South southwest wind 5 to 10 mph, with gusts as high as 18 mph.
Sunday
Sunny, with a high near 70. Southwest wind 5 to 11 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 39. Southwest wind 6 to 10 mph.
Monday
Mostly sunny, with a high near 75. West wind 5 to 8 mph.
Monday Night
Partly cloudy, with a low around 44. West wind 5 to 10 mph becoming south in the evening.
Tuesday
Mostly sunny, with a high near 82.
Tuesday Night
Partly cloudy, with a low around 47.
Wednesday
A chance of rain. Partly sunny, with a high near 73.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 37.
Thursday
Rain and snow likely. Mostly cloudy, with a high near 48.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Great Falls MT
 47.51°N 111.31°W (Elev. 3399 ft)
Last Update:
12:31 pm MDT Apr 17, 2026
Forecast Valid:
2pm MDT Apr 17, 2026-6pm MDT Apr 23, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation