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

84°F

29°C

Humidity 37%
Wind Speed N 19 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 14 Jul 04:00 PM MDT
Extended Forecast for

Great Falls MT

  • Tonight

    Tonight: Showers and thunderstorms likely. Mostly cloudy, with a low around 53. North northeast wind 15 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 53 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers, with thunderstorms also possible after 9am. High near 58. North northeast wind 14 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 58 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers likely, mainly before midnight. Patchy fog after 4am. Otherwise, cloudy, with a low around 48. North northeast wind 8 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 48 °F

    Showers
    Likely then
    Chance
    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: A 20 percent chance of showers before noon. Patchy fog before 8am. Otherwise, partly sunny, with a high near 71. North northeast wind around 7 mph.

    High: 71 °F

    Slight Chance
    Showers and
    Patchy Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 48. East wind 5 to 8 mph becoming light and variable after midnight.

    Low: 48 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 83. Calm wind becoming north northeast 5 to 8 mph in the afternoon.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 52. North northeast wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.

    Low: 52 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 80. Calm wind becoming northeast 5 to 7 mph in the afternoon.

    High: 80 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

Detailed Forecast

Tonight
Showers and thunderstorms likely. Mostly cloudy, with a low around 53. North northeast wind 15 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers, with thunderstorms also possible after 9am. High near 58. North northeast wind 14 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday Night
Showers likely, mainly before midnight. Patchy fog after 4am. Otherwise, cloudy, with a low around 48. North northeast wind 8 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
A 20 percent chance of showers before noon. Patchy fog before 8am. Otherwise, partly sunny, with a high near 71. North northeast wind around 7 mph.
Wednesday Night
Mostly clear, with a low around 48. East wind 5 to 8 mph becoming light and variable after midnight.
Thursday
Sunny, with a high near 83. Calm wind becoming north northeast 5 to 8 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 52. North northeast wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.
Friday
Mostly sunny, with a high near 80. Calm wind becoming northeast 5 to 7 mph in the afternoon.
Friday Night
Mostly clear, with a low around 54.
Saturday
Sunny, with a high near 90.
Saturday Night
Partly cloudy, with a low around 56.
Sunday
Mostly sunny, with a high near 89.
Sunday Night
Partly cloudy, with a low around 55.
Monday
Mostly sunny, with a high near 84.
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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:
2:23 pm MDT Jul 14, 2025
Forecast Valid:
4pm MDT Jul 14, 2025-6pm MDT Jul 21, 2025
 
Forecast Discussion
 
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Additional Resources

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Link to Local Radar Data Link to Satellite Data

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