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.

Overcast

38°F

3°C

Humidity 46%
Wind Speed N 10 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 17 Apr 11:53 AM MDT
Extended Forecast for

Great Falls MT

  • This Afternoon

    This Afternoon: A 50 percent chance of snow showers before 5pm. Mostly cloudy, with a high near 44. Northwest wind 9 to 11 mph. Little or no snow accumulation expected.

    High: 44 °F

    Chance Snow
    Showers

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 26. Northwest wind 6 to 9 mph becoming southwest after midnight.

    Low: 26 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 60. Southwest wind 8 to 14 mph, with gusts as high as 23 mph.

    High: 60 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 29. South southwest wind 6 to 11 mph, with gusts as high as 20 mph.

    Low: 29 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 70. Southwest wind 6 to 13 mph, with gusts as high as 20 mph.

    High: 70 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 41. South southwest wind 6 to 10 mph.

    Low: 41 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 76. Southwest wind 6 to 10 mph.

    High: 76 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 43. West wind 5 to 10 mph becoming south after midnight.

    Low: 43 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 50 percent chance of snow showers before 5pm. Mostly cloudy, with a high near 44. Northwest wind 9 to 11 mph. Little or no snow accumulation expected.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 26. Northwest wind 6 to 9 mph becoming southwest after midnight.
Saturday
Sunny, with a high near 60. Southwest wind 8 to 14 mph, with gusts as high as 23 mph.
Saturday Night
Mostly clear, with a low around 29. South southwest wind 6 to 11 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 70. Southwest wind 6 to 13 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 41. South southwest wind 6 to 10 mph.
Monday
Mostly sunny, with a high near 76. Southwest wind 6 to 10 mph.
Monday Night
Partly cloudy, with a low around 43. West wind 5 to 10 mph becoming south after midnight.
Tuesday
Mostly sunny, with a high near 81.
Tuesday Night
Partly cloudy, with a low around 47.
Wednesday
A chance of rain. Partly sunny, with a high near 73.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 43.
Thursday
A chance of rain. Mostly cloudy, with a high near 59.
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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:
10:42 am MDT Apr 17, 2026
Forecast Valid:
12pm 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