Widespread Showers in the Eastern US; Severe Thunderstorms in the Plains; Heatwave in the Desert Southwest

Widespread showers and thunderstorms across much of the central and eastern U.S. will produce areas of excessive rainfall, especially in the southern Mid-Atlantic states. Scattered severe thunderstorms are expected from Montana into portions of the central/southern Plains this weekend. A heatwave will build in the Desert Southwest, in parts of Arizona, southeastern California, and southern Nevada. Read More >

Current conditions at

Great Falls, Great Falls International Airport (KGTF)

Lat: 47.47333°NLon: 111.38222°WElev: 3675.0ft.

Clear

76°F

24°C

Humidity 35%
Wind Speed ENE 8 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 14 Jun 02:53 PM MDT
Extended Forecast for

Great Falls International Airport MT

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 78. Northeast wind 7 to 9 mph.

    High: 78 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 2am.  Partly cloudy, with a low around 54. East northeast wind 5 to 9 mph becoming southwest after midnight.  Chance of precipitation is 20%.

    Low: 54 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers, then a chance of showers and thunderstorms after 3pm.  Partly sunny, with a high near 81. Light and variable wind becoming north 5 to 10 mph in the afternoon.  Chance of precipitation is 40%.

    High: 81 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight.  Partly cloudy, with a low around 51. North wind 5 to 10 mph becoming south after midnight.  Chance of precipitation is 40%.

    Low: 51 °F

    Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: A 40 percent chance of showers after noon.  Mostly sunny, with a high near 77. Southwest wind 5 to 7 mph becoming northeast in the afternoon.

    High: 77 °F

    Mostly Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 52. Southeast wind 7 to 10 mph becoming south southwest after midnight.  Chance of precipitation is 40%.

    Low: 52 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A 30 percent chance of showers, mainly after noon.  Partly sunny, with a high near 79. Southwest wind 7 to 9 mph.

    High: 79 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 50. West wind 7 to 10 mph becoming south in the evening.

    Low: 50 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 78. Northeast wind 7 to 9 mph.
Tonight
A slight chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 2am. Partly cloudy, with a low around 54. East northeast wind 5 to 9 mph becoming southwest after midnight. Chance of precipitation is 20%.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 81. Light and variable wind becoming north 5 to 10 mph in the afternoon. Chance of precipitation is 40%.
Sunday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 51. North wind 5 to 10 mph becoming south after midnight. Chance of precipitation is 40%.
Monday
A 40 percent chance of showers after noon. Mostly sunny, with a high near 77. Southwest wind 5 to 7 mph becoming northeast in the afternoon.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 52. Southeast wind 7 to 10 mph becoming south southwest after midnight. Chance of precipitation is 40%.
Tuesday
A 30 percent chance of showers, mainly after noon. Partly sunny, with a high near 79. Southwest wind 7 to 9 mph.
Tuesday Night
Partly cloudy, with a low around 50. West wind 7 to 10 mph becoming south in the evening.
Wednesday
Sunny, with a high near 81.
Wednesday Night
Mostly clear, with a low around 51.
Juneteenth
Sunny, with a high near 82.
Thursday Night
A slight chance of showers. Partly cloudy, with a low around 51.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 75.
Friday Night
A chance of showers. Mostly cloudy, with a low around 49.
Saturday
A chance of showers. Partly sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
Great Falls International Airport MT
 47.49°N 111.37°W (Elev. 3635 ft)
1:36 pm MDT Jun 14, 2025
3pm MDT Jun 14, 2025-6pm MDT Jun 21, 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