Dangerous Heat in the Southwest; Severe Thunderstorms from the Central Plains into the Ohio Valley

Dangerous heat will build across the Southwest U.S. through the end of the week with daytime highs of 110-115°F. Isolated to widely scattered severe storms are expected across parts of the central and southern High Plains, Great Lakes into the Ohio Valley, and parts of the Ozarks to Lower Mississippi Valley today. Read More >

Current conditions at

Sweetgrass I-15 MP 395.3 (MTSWT)

Lat: 48.96017°NLon: 111.94071°WElev: 3471.0ft.

NA

71°F

22°C

Humidity 35%
Wind Speed WSW 17 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Last update 26 Aug 10:15 AM MDT
Extended Forecast for

9 Miles W Sunburst MT

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 5pm.  Patchy smoke after 4pm. Sunny, with a high near 84. South southeast wind around 11 mph, with gusts as high as 18 mph.

    High: 84 °F

    Sunny then
    Slight Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 10pm.  Patchy smoke before 2am, then patchy smoke after 4am. Mostly cloudy, with a low around 57. South wind 9 to 11 mph, with gusts as high as 18 mph.

    Low: 57 °F

    Chance
    T-storms then
    Patchy Smoke

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly between 3pm and 4pm.  Patchy smoke before 4pm. Partly sunny, with a high near 85. South wind 8 to 13 mph, with gusts as high as 23 mph.

    High: 85 °F

    Patchy Smoke
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 56. South wind 13 to 15 mph becoming west southwest after midnight. Winds could gust as high as 22 mph.

    Low: 56 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 77. West southwest wind 15 to 21 mph, with gusts as high as 31 mph.

    High: 77 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 52. West southwest wind 11 to 18 mph, with gusts as high as 26 mph.

    Low: 52 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers.  Mostly sunny, with a high near 70. West southwest wind 14 to 16 mph, with gusts as high as 28 mph.

    High: 70 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers.  Mostly cloudy, with a low around 46. West wind 13 to 17 mph, with gusts as high as 25 mph.

    Low: 46 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers.  Partly sunny, with a high near 65.

    High: 65 °F

    Chance
    Showers

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 5pm. Patchy smoke after 4pm. Sunny, with a high near 84. South southeast wind around 11 mph, with gusts as high as 18 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 10pm. Patchy smoke before 2am, then patchy smoke after 4am. Mostly cloudy, with a low around 57. South wind 9 to 11 mph, with gusts as high as 18 mph.
Thursday
A 30 percent chance of showers and thunderstorms, mainly between 3pm and 4pm. Patchy smoke before 4pm. Partly sunny, with a high near 85. South wind 8 to 13 mph, with gusts as high as 23 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 56. South wind 13 to 15 mph becoming west southwest after midnight. Winds could gust as high as 22 mph.
Friday
Sunny, with a high near 77. West southwest wind 15 to 21 mph, with gusts as high as 31 mph.
Friday Night
Partly cloudy, with a low around 52. West southwest wind 11 to 18 mph, with gusts as high as 26 mph.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 70. West southwest wind 14 to 16 mph, with gusts as high as 28 mph.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 46. West wind 13 to 17 mph, with gusts as high as 25 mph.
Sunday
A chance of showers. Partly sunny, with a high near 65.
Sunday Night
A slight chance of showers before midnight. Partly cloudy, with a low around 46.
Monday
Sunny, with a high near 74.
Monday Night
Partly cloudy, with a low around 51.
Tuesday
Mostly sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles W Sunburst MT
 48.9°N 112.1°W (Elev. 3999 ft)
10:32 am MDT Aug 26, 2026
10am MDT Aug 26, 2026-6pm MDT Sep 1, 2026
 
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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