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

52°F

11°C

Humidity 37%
Wind Speed SW 10 MPH
Barometer 29.87 in (1011.51 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 19 Apr 09:05 PM MDT
Extended Forecast for

Great Falls MT

  • Tonight

    Tonight: Partly cloudy, with a low around 39. West southwest wind 5 to 7 mph.

    Low: 39 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 77. West southwest wind 3 to 8 mph.

    High: 77 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 42. South southwest wind 5 to 8 mph.

    Low: 42 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 82. South wind 3 to 8 mph.

    High: 82 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 47. East southeast wind 6 to 10 mph becoming south southwest after midnight.

    Low: 47 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 70. West wind 5 to 10 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 60%.

    High: 70 °F

    Mostly Sunny
    then Showers
    Likely

  • Wednesday Night

    Wednesday Night: Rain before 3am, then rain and snow. Low around 32. Breezy, with a northwest wind 22 to 24 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 32 °F

    Breezy. Rain
    then
    Rain/Snow

  • Thursday

    Thursday: Snow likely, mainly before noon. Mostly cloudy, with a high near 45. Breezy, with a north northwest wind 18 to 22 mph, with gusts as high as 31 mph.

    High: 45 °F

    Snow Likely
    and Breezy

  • Thursday Night

    Thursday Night: A chance of rain and snow before 9pm, then a chance of snow. Mostly cloudy, with a low around 27.

    Low: 27 °F

    Chance
    Rain/Snow
    then Chance
    Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 39. West southwest wind 5 to 7 mph.
Monday
Sunny, with a high near 77. West southwest wind 3 to 8 mph.
Monday Night
Partly cloudy, with a low around 42. South southwest wind 5 to 8 mph.
Tuesday
Mostly sunny, with a high near 82. South wind 3 to 8 mph.
Tuesday Night
Mostly cloudy, with a low around 47. East southeast wind 6 to 10 mph becoming south southwest after midnight.
Wednesday
Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 70. West wind 5 to 10 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 60%.
Wednesday Night
Rain before 3am, then rain and snow. Low around 32. Breezy, with a northwest wind 22 to 24 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Thursday
Snow likely, mainly before noon. Mostly cloudy, with a high near 45. Breezy, with a north northwest wind 18 to 22 mph, with gusts as high as 31 mph.
Thursday Night
A chance of rain and snow before 9pm, then a chance of snow. Mostly cloudy, with a low around 27.
Friday
A chance of snow. Mostly cloudy, with a high near 43.
Friday Night
A slight chance of snow. Mostly cloudy, with a low around 23.
Saturday
A slight chance of snow. Partly sunny, with a high near 46.
Saturday Night
Partly cloudy, with a low around 23.
Sunday
Mostly sunny, with a high near 51.
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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 pm MDT Apr 19, 2026
Forecast Valid:
9pm MDT Apr 19, 2026-6pm MDT Apr 26, 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