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.

Clear

43°F

6°C

Humidity 38%
Wind Speed WSW 10 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 18 Apr 08:20 PM MDT
Extended Forecast for

Great Falls MT

  • Tonight

    Tonight: Mostly clear, with a low around 29. Southwest wind 3 to 6 mph.

    Low: 29 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 70. Light west southwest wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 18 mph.

    High: 70 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 38. Southwest wind 6 to 9 mph.

    Low: 38 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 76. West southwest wind 5 to 7 mph.

    High: 76 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 42. South southwest wind 5 to 8 mph.

    Low: 42 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 82. Southwest wind 5 to 8 mph.

    High: 82 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 47. Southeast wind 7 to 10 mph becoming south southwest after midnight.

    Low: 47 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain after noon. Partly sunny, with a high near 70. West wind 7 to 12 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph.

    High: 70 °F

    Partly Sunny
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: Rain before midnight, then rain and snow. Cloudy, with a low around 32. Breezy.

    Low: 32 °F

    Breezy. Rain
    then
    Rain/Snow

Detailed Forecast

Tonight
Mostly clear, with a low around 29. Southwest wind 3 to 6 mph.
Sunday
Sunny, with a high near 70. Light west southwest wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 18 mph.
Sunday Night
Partly cloudy, with a low around 38. Southwest wind 6 to 9 mph.
Monday
Sunny, with a high near 76. West southwest wind 5 to 7 mph.
Monday Night
Partly cloudy, with a low around 42. South southwest wind 5 to 8 mph.
Tuesday
Mostly sunny, with a high near 82. Southwest wind 5 to 8 mph.
Tuesday Night
Mostly cloudy, with a low around 47. Southeast wind 7 to 10 mph becoming south southwest after midnight.
Wednesday
A chance of rain after noon. Partly sunny, with a high near 70. West wind 7 to 12 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph.
Wednesday Night
Rain before midnight, then rain and snow. Cloudy, with a low around 32. Breezy.
Thursday
Rain and snow likely, becoming all snow after 9am. Mostly cloudy, with a high near 44. Breezy.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 26.
Friday
A slight chance of rain and snow. Partly sunny, with a high near 47.
Friday Night
Mostly cloudy, with a low around 26.
Saturday
Mostly sunny, with a high near 50.
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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:
2:12 pm MDT Apr 18, 2026
Forecast Valid:
8pm MDT Apr 18, 2026-6pm MDT Apr 25, 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