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

58°F

14°C

Humidity 34%
Wind Speed SSW 19 MPH
Barometer 29.55 in (1000.68 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 15 Apr 12:53 PM MDT
Extended Forecast for

Great Falls International Airport MT

  • This Afternoon

    This Afternoon: A 50 percent chance of showers, mainly after 4pm. Mostly cloudy, with a high near 59. Breezy, with a southwest wind 22 to 25 mph, with gusts as high as 37 mph.

    High: 59 °F

    Chance
    Showers and
    Breezy

  • Tonight

    Tonight: Rain showers before 11pm, then a chance of rain and snow showers between 11pm and midnight, then a chance of snow after midnight. Low around 25. West wind 14 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 25 °F

    Rain/Snow
    then Chance
    Snow

  • Thursday

    Thursday: A slight chance of snow before noon, then a chance of snow showers after 1pm. Partly sunny, with a high near 38. Northwest wind 15 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Slight Chance
    Snow then
    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: A chance of snow showers before midnight, then a slight chance of snow after midnight. Mostly cloudy, with a low around 21. North northwest wind 6 to 16 mph becoming southwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    Low: 21 °F

    Chance Snow
    Showers

  • Friday

    Friday: A 50 percent chance of snow after noon. Partly sunny, with a high near 45. Southwest wind 6 to 13 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph. New snow accumulation of less than a half inch possible.

    High: 45 °F

    Partly Sunny
    then Chance
    Snow

  • Friday Night

    Friday Night: Partly cloudy, with a low around 25. Northwest wind 7 to 10 mph becoming south southwest after midnight.

    Low: 25 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 58. South southwest wind 10 to 17 mph, with gusts as high as 25 mph.

    High: 58 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 31. South southwest wind 8 to 14 mph, with gusts as high as 22 mph.

    Low: 31 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

Detailed Forecast

This Afternoon
A 50 percent chance of showers, mainly after 4pm. Mostly cloudy, with a high near 59. Breezy, with a southwest wind 22 to 25 mph, with gusts as high as 37 mph.
Tonight
Rain showers before 11pm, then a chance of rain and snow showers between 11pm and midnight, then a chance of snow after midnight. Low around 25. West wind 14 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Thursday
A slight chance of snow before noon, then a chance of snow showers after 1pm. Partly sunny, with a high near 38. Northwest wind 15 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Thursday Night
A chance of snow showers before midnight, then a slight chance of snow after midnight. Mostly cloudy, with a low around 21. North northwest wind 6 to 16 mph becoming southwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Friday
A 50 percent chance of snow after noon. Partly sunny, with a high near 45. Southwest wind 6 to 13 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph. New snow accumulation of less than a half inch possible.
Friday Night
Partly cloudy, with a low around 25. Northwest wind 7 to 10 mph becoming south southwest after midnight.
Saturday
Sunny, with a high near 58. South southwest wind 10 to 17 mph, with gusts as high as 25 mph.
Saturday Night
Partly cloudy, with a low around 31. South southwest wind 8 to 14 mph, with gusts as high as 22 mph.
Sunday
Sunny, with a high near 67.
Sunday Night
Partly cloudy, with a low around 38.
Monday
Mostly sunny, with a high near 72.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
Sunny, with a high near 74.
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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:
12:31 pm MDT Apr 15, 2026
Forecast Valid:
1pm 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