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

50°F

10°C

Humidity 61%
Wind Speed N 6 MPH
Barometer 29.73 in (1006.77 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 12 Apr 01:53 PM MDT
Extended Forecast for

Great Falls International Airport MT

  • This Afternoon

    This Afternoon: A 30 percent chance of showers after 5pm. Partly sunny, with a high near 57. North northeast wind 10 to 13 mph, with gusts as high as 18 mph.

    High: 57 °F

    Chance
    Showers

  • Tonight

    Tonight: Showers likely before midnight, then a chance of rain after 4am. Mostly cloudy, with a low around 36. East northeast wind 8 to 13 mph becoming west southwest after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 36 °F

    Showers
    Likely

  • Monday

    Monday: A 50 percent chance of rain after 4pm. Partly sunny, with a high near 57. West southwest wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 26 mph.

    High: 57 °F

    Chance Rain

  • Monday Night

    Monday Night: A 20 percent chance of rain before midnight. Partly cloudy, with a low around 36. Southwest wind around 17 mph, with gusts as high as 25 mph.

    Low: 36 °F

    Slight Chance
    Rain then
    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 58. Breezy, with a southwest wind 17 to 22 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 38 mph.

    High: 58 °F

    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 39. Breezy, with a west southwest wind 13 to 23 mph, with gusts as high as 34 mph.

    Low: 39 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of rain after noon. Partly sunny, with a high near 58. Breezy, with a southwest wind 14 to 23 mph, with gusts as high as 34 mph.

    High: 58 °F

    Partly Sunny
    then Chance
    Rain and
    Breezy

  • Wednesday Night

    Wednesday Night: Rain likely before 9pm, then rain and snow likely between 9pm and 3am, then snow likely after 3am. Mostly cloudy, with a low around 27. Northwest wind 15 to 18 mph, with gusts as high as 28 mph.

    Low: 27 °F

    Rain/Snow
    Likely

  • Thursday

    Thursday: A chance of snow. Mostly cloudy, with a high near 38.

    High: 38 °F

    Chance Snow

Detailed Forecast

This Afternoon
A 30 percent chance of showers after 5pm. Partly sunny, with a high near 57. North northeast wind 10 to 13 mph, with gusts as high as 18 mph.
Tonight
Showers likely before midnight, then a chance of rain after 4am. Mostly cloudy, with a low around 36. East northeast wind 8 to 13 mph becoming west southwest after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
A 50 percent chance of rain after 4pm. Partly sunny, with a high near 57. West southwest wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 26 mph.
Monday Night
A 20 percent chance of rain before midnight. Partly cloudy, with a low around 36. Southwest wind around 17 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 58. Breezy, with a southwest wind 17 to 22 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 38 mph.
Tuesday Night
Mostly cloudy, with a low around 39. Breezy, with a west southwest wind 13 to 23 mph, with gusts as high as 34 mph.
Wednesday
A 30 percent chance of rain after noon. Partly sunny, with a high near 58. Breezy, with a southwest wind 14 to 23 mph, with gusts as high as 34 mph.
Wednesday Night
Rain likely before 9pm, then rain and snow likely between 9pm and 3am, then snow likely after 3am. Mostly cloudy, with a low around 27. Northwest wind 15 to 18 mph, with gusts as high as 28 mph.
Thursday
A chance of snow. Mostly cloudy, with a high near 38.
Thursday Night
A slight chance of snow before midnight. Mostly cloudy, with a low around 21.
Friday
A slight chance of snow. Mostly sunny, with a high near 46.
Friday Night
A slight chance of snow. Mostly cloudy, with a low around 25.
Saturday
A slight chance of rain and snow. Mostly sunny, with a high near 53.
Saturday Night
Partly cloudy, with a low around 29.
Sunday
Mostly sunny, with a high near 61.
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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:
12:32 pm MDT Apr 12, 2026
Forecast Valid:
3pm MDT Apr 12, 2026-6pm MDT Apr 19, 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