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

43°F

6°C

Humidity 65%
Wind Speed SW 10 MPH
Barometer 29.77 in (1008.13 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 30 Mar 02:35 AM MDT
Extended Forecast for

Great Falls MT

  • Overnight

    Overnight: A 30 percent chance of rain, mainly before 4am. Mostly cloudy, with a low around 37. Southwest wind 9 to 11 mph.

    Low: 37 °F

    Chance Rain

  • Monday

    Monday: A chance of rain and snow before 10am, then a chance of snow. Partly sunny, with a high near 44. Breezy, with a southwest wind 13 to 18 mph becoming west 24 to 29 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 44 °F

    Breezy.
    Chance
    Rain/Snow
    then Chance
    Snow

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 15. North northwest wind 13 to 18 mph becoming light and variable after midnight. Winds could gust as high as 25 mph.

    Low: 15 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Partly sunny, with a high near 48. Light east northeast wind increasing to 5 to 9 mph in the morning.

    High: 48 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 24. East northeast wind 5 to 10 mph becoming light and variable after midnight.

    Low: 24 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 59. Calm wind becoming southeast 5 to 7 mph in the afternoon.

    High: 59 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 36. East wind 5 to 9 mph.

    Low: 36 °F

    Chance Rain

  • Thursday

    Thursday: Rain. Mostly cloudy, with a high near 49. Northwest wind 5 to 10 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 26 mph.

    High: 49 °F

    Rain

  • Thursday Night

    Thursday Night: Rain and snow likely, becoming all snow after 9pm. Mostly cloudy, with a low around 27.

    Low: 27 °F

    Rain/Snow
    Likely then
    Snow Likely

Detailed Forecast

Overnight
A 30 percent chance of rain, mainly before 4am. Mostly cloudy, with a low around 37. Southwest wind 9 to 11 mph.
Monday
A chance of rain and snow before 10am, then a chance of snow. Partly sunny, with a high near 44. Breezy, with a southwest wind 13 to 18 mph becoming west 24 to 29 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Monday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 15. North northwest wind 13 to 18 mph becoming light and variable after midnight. Winds could gust as high as 25 mph.
Tuesday
Partly sunny, with a high near 48. Light east northeast wind increasing to 5 to 9 mph in the morning.
Tuesday Night
Mostly cloudy, with a low around 24. East northeast wind 5 to 10 mph becoming light and variable after midnight.
Wednesday
Mostly sunny, with a high near 59. Calm wind becoming southeast 5 to 7 mph in the afternoon.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 36. East wind 5 to 9 mph.
Thursday
Rain. Mostly cloudy, with a high near 49. Northwest wind 5 to 10 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 26 mph.
Thursday Night
Rain and snow likely, becoming all snow after 9pm. Mostly cloudy, with a low around 27.
Friday
A chance of snow. Mostly cloudy, with a high near 39.
Friday Night
A chance of snow. Mostly cloudy, with a low around 22.
Saturday
Mostly sunny, with a high near 50.
Saturday Night
Partly cloudy, with a low around 29.
Sunday
Mostly sunny, with a high near 56.
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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:
9:22 pm MDT Mar 29, 2026
Forecast Valid:
2am MDT Mar 30, 2026-6pm MDT Apr 5, 2026
 
Forecast Discussion
 
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Additional Resources

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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