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

30°C

86°F

Humidity 33%
Wind Speed NNW 13 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 12°C (54°F)
Visibility 16 km
Heat Index29°C (84°F)
Last update 14 Jul 03:00 PM MDT
Extended Forecast for

Great Falls MT

  • Tonight

    Tonight: Showers and thunderstorms likely. Mostly cloudy, with a low around 12. North northeast wind 24 to 34 km/h, with gusts as high as 50 km/h. Chance of precipitation is 70%. New precipitation amounts between 2.5 and 5 mm possible.

    Low: 12 °C

    Showers
    Likely

  • Tuesday

    Tuesday: Showers, with thunderstorms also possible after 9am. High near 14. North northeast wind 23 to 29 km/h, with gusts as high as 47 km/h. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 cm possible.

    High: 14 °C

    Showers

  • Tuesday Night

    Tuesday Night: Showers likely, mainly before midnight. Patchy fog after 4am. Otherwise, cloudy, with a low around 9. North northeast wind 19 to 24 km/h decreasing to 13 to 18 km/h after midnight. Winds could gust as high as 40 km/h. Chance of precipitation is 70%. New precipitation amounts between 2.5 and 5 mm possible.

    Low: 9 °C

    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 22. North northeast wind around 11 km/h.

    High: 22 °C

    Slight Chance
    Showers and
    Patchy Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 9. East wind 5 to 13 km/h becoming south after midnight.

    Low: 9 °C

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 28. Light and variable wind becoming north northeast 8 to 13 km/h in the morning.

    High: 28 °C

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 11. North northeast wind 13 to 18 km/h becoming northwest 5 to 10 km/h after midnight. Winds could gust as high as 29 km/h.

    Low: 11 °C

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 27. Light and variable wind becoming northeast 6 to 11 km/h in the afternoon.

    High: 27 °C

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 12.

    Low: 12 °C

    Mostly Clear

Detailed Forecast

Tonight
Showers and thunderstorms likely. Mostly cloudy, with a low around 12. North northeast wind 24 to 34 km/h, with gusts as high as 50 km/h. Chance of precipitation is 70%. New precipitation amounts between 2.5 and 5 mm possible.
Tuesday
Showers, with thunderstorms also possible after 9am. High near 14. North northeast wind 23 to 29 km/h, with gusts as high as 47 km/h. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 cm possible.
Tuesday Night
Showers likely, mainly before midnight. Patchy fog after 4am. Otherwise, cloudy, with a low around 9. North northeast wind 19 to 24 km/h decreasing to 13 to 18 km/h after midnight. Winds could gust as high as 40 km/h. Chance of precipitation is 70%. New precipitation amounts between 2.5 and 5 mm possible.
Wednesday
A 20 percent chance of showers before noon. Patchy fog before 8am. Otherwise, partly sunny, with a high near 22. North northeast wind around 11 km/h.
Wednesday Night
Mostly clear, with a low around 9. East wind 5 to 13 km/h becoming south after midnight.
Thursday
Sunny, with a high near 28. Light and variable wind becoming north northeast 8 to 13 km/h in the morning.
Thursday Night
Partly cloudy, with a low around 11. North northeast wind 13 to 18 km/h becoming northwest 5 to 10 km/h after midnight. Winds could gust as high as 29 km/h.
Friday
Mostly sunny, with a high near 27. Light and variable wind becoming northeast 6 to 11 km/h in the afternoon.
Friday Night
Mostly clear, with a low around 12.
Saturday
Sunny, with a high near 32.
Saturday Night
Partly cloudy, with a low around 13.
Sunday
Mostly sunny, with a high near 32.
Sunday Night
Partly cloudy, with a low around 13.
Monday
Mostly sunny, with a high near 29.
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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 m)
Last Update:
2:23 pm MDT Jul 14, 2025
Forecast Valid:
3pm MDT Jul 14, 2025-6pm MDT Jul 21, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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