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

46°F

8°C

Humidity 45%
Wind Speed WSW 24 MPH
Barometer 29.66 in (1004.4 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 15 Apr 12:20 AM MDT
Extended Forecast for

Great Falls MT

  • Overnight

    Overnight: Mostly cloudy, with a low around 41. Southwest wind around 14 mph, with gusts as high as 23 mph.

    Low: 41 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of rain after 5pm. Mostly cloudy, with a high near 60. Breezy, with a southwest wind 14 to 22 mph, with gusts as high as 33 mph.

    High: 60 °F

    Mostly Cloudy
    then Chance
    Rain and
    Breezy

  • Wednesday Night

    Wednesday Night: Snow likely, possibly mixed with rain, becoming all snow after midnight. Cloudy, with a low around 26. West northwest wind 10 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 26 °F

    Rain/Snow
    Likely then
    Snow Likely

  • Thursday

    Thursday: A 50 percent chance of snow. Partly sunny, with a high near 38. North northwest wind 11 to 13 mph, with gusts as high as 22 mph. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 22. North northwest wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.

    Low: 22 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Friday

    Friday: A 40 percent chance of snow after noon. Partly sunny, with a high near 47. Light and variable wind becoming north 5 to 10 mph in the morning. Little or no snow accumulation expected.

    High: 47 °F

    Mostly Sunny
    then Chance
    Snow

  • Friday Night

    Friday Night: Partly cloudy, with a low around 26. North northwest wind 5 to 9 mph becoming southwest after midnight.

    Low: 26 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 58. West southwest wind 7 to 15 mph, with gusts as high as 25 mph.

    High: 58 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 41. Southwest wind around 14 mph, with gusts as high as 23 mph.
Wednesday
A 40 percent chance of rain after 5pm. Mostly cloudy, with a high near 60. Breezy, with a southwest wind 14 to 22 mph, with gusts as high as 33 mph.
Wednesday Night
Snow likely, possibly mixed with rain, becoming all snow after midnight. Cloudy, with a low around 26. West northwest wind 10 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Thursday
A 50 percent chance of snow. Partly sunny, with a high near 38. North northwest wind 11 to 13 mph, with gusts as high as 22 mph. New snow accumulation of less than a half inch possible.
Thursday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 22. North northwest wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.
Friday
A 40 percent chance of snow after noon. Partly sunny, with a high near 47. Light and variable wind becoming north 5 to 10 mph in the morning. Little or no snow accumulation expected.
Friday Night
Partly cloudy, with a low around 26. North northwest wind 5 to 9 mph becoming southwest after midnight.
Saturday
Sunny, with a high near 58. West southwest wind 7 to 15 mph, with gusts as high as 25 mph.
Saturday Night
Partly cloudy, with a low around 32.
Sunday
Mostly sunny, with a high near 68.
Sunday Night
Partly cloudy, with a low around 39.
Monday
Mostly sunny, with a high near 72.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
A slight chance of rain. Mostly sunny, with a high near 72.
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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 am MDT Apr 15, 2026
Forecast Valid:
12am MDT Apr 15, 2026-6pm MDT Apr 21, 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