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

70°F

21°C

Humidity 19%
Wind Speed WSW 9 MPH
Barometer 29.87 in (1011.51 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 20 Apr 12:53 PM MDT
Extended Forecast for

Great Falls MT

  • This Afternoon

    This Afternoon: Sunny, with a high near 77. West southwest wind 5 to 9 mph.

    High: 77 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 43. Southwest wind 5 to 10 mph.

    Low: 43 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 84. Calm wind becoming east southeast 5 to 9 mph in the afternoon.

    High: 84 °F

    Mostly Sunny

  • Tuesday Night

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

    Low: 47 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Rain likely between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. Partly sunny, with a high near 73. South southwest wind 5 to 10 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 60%.

    High: 73 °F

    Mostly Sunny
    then Showers
    Likely

  • Wednesday Night

    Wednesday Night: Rain before 3am, then rain and snow. Some thunder is also possible. Low around 34. Breezy, with a northwest wind 18 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 34 °F

    Showers then
    Rain/Snow and
    Breezy

  • Thursday

    Thursday: Rain, possibly mixed with snow, becoming all snow after 9am. High near 44. Northwest wind around 21 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 44 °F

    Rain/Snow
    then Snow
    Likely

  • Thursday Night

    Thursday Night: A chance of snow. Mostly cloudy, with a low around 27. North northwest wind 10 to 17 mph, with gusts as high as 28 mph.

    Low: 27 °F

    Chance Snow

  • Friday

    Friday: A chance of snow. Partly sunny, with a high near 43.

    High: 43 °F

    Chance Snow

Detailed Forecast

This Afternoon
Sunny, with a high near 77. West southwest wind 5 to 9 mph.
Tonight
Partly cloudy, with a low around 43. Southwest wind 5 to 10 mph.
Tuesday
Mostly sunny, with a high near 84. Calm wind becoming east southeast 5 to 9 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 47. East wind 6 to 10 mph becoming south southwest after midnight.
Wednesday
Rain likely between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. Partly sunny, with a high near 73. South southwest wind 5 to 10 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 60%.
Wednesday Night
Rain before 3am, then rain and snow. Some thunder is also possible. Low around 34. Breezy, with a northwest wind 18 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Thursday
Rain, possibly mixed with snow, becoming all snow after 9am. High near 44. Northwest wind around 21 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 27. North northwest wind 10 to 17 mph, with gusts as high as 28 mph.
Friday
A chance of snow. Partly sunny, with a high near 43.
Friday Night
Mostly cloudy, with a low around 23.
Saturday
Partly sunny, with a high near 46.
Saturday Night
Partly cloudy, with a low around 24.
Sunday
Mostly sunny, with a high near 50.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Great Falls MT
 47.49°N 111.31°W (Elev. 3399 ft)
Last Update:
12:31 pm MDT Apr 20, 2026
Forecast Valid:
1pm MDT Apr 20, 2026-6pm MDT Apr 26, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation