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

30°F

-1°C

Humidity 50%
Wind Speed NE 9 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 30 Mar 07:35 PM MDT
Extended Forecast for

Great Falls International Airport MT

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 17. North wind 6 to 15 mph becoming east northeast after midnight. Winds could gust as high as 22 mph.

    Low: 17 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 44. East wind 6 to 8 mph.

    High: 44 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 27. East northeast wind 6 to 9 mph becoming south after midnight.

    Low: 27 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of rain after noon. Mostly sunny, with a high near 57. Calm wind becoming east southeast 5 to 8 mph in the afternoon.

    High: 57 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain likely, mainly before midnight. Mostly cloudy, with a low around 34. East wind 6 to 11 mph. Chance of precipitation is 60%.

    Low: 34 °F

    Rain Likely

  • Thursday

    Thursday: Rain likely, possibly mixed with snow before noon, then rain between noon and 3pm, then rain and snow after 3pm. High near 44. East wind 6 to 11 mph becoming north northwest 12 to 17 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 44 °F

    Rain/Snow

  • Thursday Night

    Thursday Night: Rain and snow, becoming all snow after 9pm. Low around 27. Northwest wind 16 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    Low: 27 °F

    Rain/Snow
    then Snow
    Likely

  • Friday

    Friday: A chance of snow before 3pm, then a chance of rain. Mostly cloudy, with a high near 44. West wind around 15 mph, with gusts as high as 22 mph.

    High: 44 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Friday Night

    Friday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 17. North wind 6 to 15 mph becoming east northeast after midnight. Winds could gust as high as 22 mph.
Tuesday
Mostly sunny, with a high near 44. East wind 6 to 8 mph.
Tuesday Night
Mostly cloudy, with a low around 27. East northeast wind 6 to 9 mph becoming south after midnight.
Wednesday
A 20 percent chance of rain after noon. Mostly sunny, with a high near 57. Calm wind becoming east southeast 5 to 8 mph in the afternoon.
Wednesday Night
Rain likely, mainly before midnight. Mostly cloudy, with a low around 34. East wind 6 to 11 mph. Chance of precipitation is 60%.
Thursday
Rain likely, possibly mixed with snow before noon, then rain between noon and 3pm, then rain and snow after 3pm. High near 44. East wind 6 to 11 mph becoming north northwest 12 to 17 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Thursday Night
Rain and snow, becoming all snow after 9pm. Low around 27. Northwest wind 16 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Friday
A chance of snow before 3pm, then a chance of rain. Mostly cloudy, with a high near 44. West wind around 15 mph, with gusts as high as 22 mph.
Friday Night
Partly cloudy, with a low around 26.
Saturday
Sunny, with a high near 56.
Saturday Night
Partly cloudy, with a low around 33.
Sunday
Mostly sunny, with a high near 54.
Sunday Night
Mostly cloudy, with a low around 31.
Monday
A slight chance of rain. Partly sunny, with a high near 59.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Great Falls International Airport MT
 47.46°N 111.4°W (Elev. 3599 ft)
Last Update:
7:42 pm MDT Mar 30, 2026
Forecast Valid:
7pm MDT Mar 30, 2026-6pm MDT Apr 6, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation