Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Plains to the Upper Midwest

A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S and linger through much of the work week. Numerous daily record highs and warm lows are likely. Severe thunderstorms are possible from the southern Plains through the Upper Mississippi Valley. Fire weather concerns are expected to persist across the Four Corners region. Read More >

Current conditions at

Great Falls, Great Falls International Airport (KGTF)

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

Clear

39°F

4°C

Humidity 93%
Wind Speed SSW 11 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 23 Jun 04:20 AM MDT
Extended Forecast for

9 Miles S Ulm MT

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 4pm.  Mostly sunny, with a high near 69. South wind 10 to 17 mph becoming west in the afternoon. Winds could gust as high as 25 mph.

    High: 69 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 41. West southwest wind 6 to 11 mph becoming south southeast after midnight. Winds could gust as high as 18 mph.

    Low: 41 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 78. South wind around 6 mph.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 47. East wind 6 to 8 mph becoming south after midnight.

    Low: 47 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 83. South wind 6 to 10 mph.

    High: 83 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 53. South southwest wind 6 to 10 mph.

    Low: 53 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers after noon.  Partly sunny, with a high near 79. South southwest wind 6 to 10 mph becoming west northwest in the afternoon. Winds could gust as high as 18 mph.

    High: 79 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 50. South southwest wind 6 to 10 mph.

    Low: 50 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: A slight chance of showers after noon.  Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 69. South wind 10 to 17 mph becoming west in the afternoon. Winds could gust as high as 25 mph.
Tonight
Mostly clear, with a low around 41. West southwest wind 6 to 11 mph becoming south southeast after midnight. Winds could gust as high as 18 mph.
Tuesday
Sunny, with a high near 78. South wind around 6 mph.
Tuesday Night
Mostly clear, with a low around 47. East wind 6 to 8 mph becoming south after midnight.
Wednesday
Mostly sunny, with a high near 83. South wind 6 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 53. South southwest wind 6 to 10 mph.
Thursday
A 30 percent chance of showers after noon. Partly sunny, with a high near 79. South southwest wind 6 to 10 mph becoming west northwest in the afternoon. Winds could gust as high as 18 mph.
Thursday Night
A slight chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 50. South southwest wind 6 to 10 mph.
Friday
A slight chance of showers after noon. Mostly sunny, with a high near 78.
Friday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 51.
Saturday
Mostly sunny, with a high near 78.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
Sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles S Ulm MT
 47.31°N 111.49°W (Elev. 3599 ft)
2:17 am MDT Jun 23, 2025
4am MDT Jun 23, 2025-6pm MDT Jun 29, 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