Thunderstorms and Heavy Rains Across Portions of the Central and Eastern US; Heat Expands to Portions of the East

Widespread showers and thunderstorms, some severe, may produce heavy downpours and flash flooding across much of the eastern and central U.S. Dangerous heat will continue in the Pacific Northwest and expand across portions of the East. Deep tropical moisture and associated thunderstorms will bring heavy rainfall and localized flash flooding across portions of Florida into the central Gulf Coast. Read More >

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 93%
Wind Speed ENE 8 MPH
Barometer 30.24 in (1024.04 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 16 Jul 01:30 AM MDT
Extended Forecast for

Great Falls MT

  • Overnight

    Overnight: A 30 percent chance of showers, mainly before 2am.  Patchy fog.  Otherwise, mostly cloudy, with a low around 49. Northeast wind 5 to 8 mph.

    Low: 49 °F

    Chance
    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 9am.  Otherwise, partly sunny, with a high near 72. East wind 5 to 8 mph.

    High: 72 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 45. East wind 5 to 8 mph becoming light and variable  after midnight.

    Low: 45 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 82. Calm wind becoming north 5 to 8 mph in the afternoon.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 52. North wind 6 to 11 mph becoming light and variable  after midnight. Winds could gust as high as 20 mph.

    Low: 52 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 82. Calm wind becoming northeast around 6 mph in the afternoon.

    High: 82 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 54. Northeast wind 5 to 10 mph becoming light and variable  after midnight.

    Low: 54 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 91. Light and variable wind becoming west northwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 91 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 30 percent chance of showers, mainly before 2am. Patchy fog. Otherwise, mostly cloudy, with a low around 49. Northeast wind 5 to 8 mph.
Wednesday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 72. East wind 5 to 8 mph.
Wednesday Night
Mostly clear, with a low around 45. East wind 5 to 8 mph becoming light and variable after midnight.
Thursday
Sunny, with a high near 82. Calm wind becoming north 5 to 8 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 52. North wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.
Friday
Mostly sunny, with a high near 82. Calm wind becoming northeast around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 54. Northeast wind 5 to 10 mph becoming light and variable after midnight.
Saturday
Mostly sunny, with a high near 91. Light and variable wind becoming west northwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 56.
Sunday
Mostly sunny, with a high near 88.
Sunday Night
Partly cloudy, with a low around 55.
Monday
Mostly sunny, with a high near 86.
Monday Night
A slight chance of showers. Mostly cloudy, with a low around 53.
Tuesday
A chance of showers. Partly sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
Great Falls MT
 47.51°N 111.31°W (Elev. 3399 ft)
10:19 pm MDT Jul 15, 2025
1am MDT Jul 16, 2025-6pm MDT Jul 22, 2025
 
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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