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.

Mostly Cloudy

61°F

16°C

Humidity 31%
Wind Speed SW 24 MPH
Barometer 29.52 in (999.66 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 15 Apr 02:20 PM MDT
Extended Forecast for

Great Falls MT

  • This Afternoon

    This Afternoon: A 50 percent chance of showers and thunderstorms, mainly after 4pm. Mostly cloudy, with a high near 60. West southwest wind 17 to 20 mph, with gusts as high as 31 mph.

    High: 60 °F

    Chance
    Showers

  • Tonight

    Tonight: Rain showers and snow before 4am, then a slight chance of snow after 5am. Low around 27. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 27 °F

    Rain/Snow
    then Chance
    Snow

  • Thursday

    Thursday: A slight chance of snow before 11am, then a chance of snow showers after 1pm. Partly sunny, with a high near 40. West northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    High: 40 °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 22. North northwest wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    Low: 22 °F

    Chance Snow
    Showers

  • Friday

    Friday: A 50 percent chance of snow, mainly after noon. Partly sunny, with a high near 46. Light and variable wind becoming north northwest 5 to 9 mph in the morning. Little or no snow accumulation expected.

    High: 46 °F

    Slight Chance
    Snow then
    Chance Snow

  • Friday Night

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

    Low: 26 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 59. Southwest wind 6 to 14 mph, with gusts as high as 23 mph.

    High: 59 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 32. South southwest wind 6 to 11 mph, with gusts as high as 18 mph.

    Low: 32 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

Detailed Forecast

This Afternoon
A 50 percent chance of showers and thunderstorms, mainly after 4pm. Mostly cloudy, with a high near 60. West southwest wind 17 to 20 mph, with gusts as high as 31 mph.
Tonight
Rain showers and snow before 4am, then a slight chance of snow after 5am. Low around 27. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Thursday
A slight chance of snow before 11am, then a chance of snow showers after 1pm. Partly sunny, with a high near 40. West northwest wind 10 to 15 mph, with gusts as high as 25 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 22. North northwest wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Friday
A 50 percent chance of snow, mainly after noon. Partly sunny, with a high near 46. Light and variable wind becoming north northwest 5 to 9 mph in the morning. Little or no snow accumulation expected.
Friday Night
Partly cloudy, with a low around 26. Northwest wind 5 to 9 mph becoming southwest after midnight.
Saturday
Sunny, with a high near 59. Southwest wind 6 to 14 mph, with gusts as high as 23 mph.
Saturday Night
Partly cloudy, with a low around 32. South southwest wind 6 to 11 mph, with gusts as high as 18 mph.
Sunday
Sunny, with a high near 69.
Sunday Night
Partly cloudy, with a low around 39.
Monday
Mostly sunny, with a high near 74.
Monday Night
Partly cloudy, with a low around 42.
Tuesday
Sunny, with a high near 76.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Great Falls MT
 47.5°N 111.28°W (Elev. 3399 ft)
Last Update:
1:16 pm MDT Apr 15, 2026
Forecast Valid:
2pm 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

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation