Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

SACAJAWEA (SAJM8)

Lat: 45.87395°NLon: 110.92783°WElev: 6550.0ft.

NA

66°F

19°C

Humidity NA
Wind Speed NA NA MPH
Barometer NA
Dewpoint N/A
Visibility NA
Last update NA
Extended Forecast for

11 Miles SW Wilsall MT

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly before 9pm.  Mostly cloudy, with a low around 54. West southwest wind 3 to 6 mph.

    Low: 54 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly after 3pm.  Mostly sunny, with a high near 70. Calm wind becoming northwest 5 to 9 mph in the afternoon. Winds could gust as high as 22 mph.

    High: 70 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly before 7pm.  Mostly cloudy, with a low around 52. Southwest wind around 6 mph, with gusts as high as 18 mph.

    Low: 52 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 72. Light west southwest wind becoming west 5 to 9 mph in the afternoon. Winds could gust as high as 23 mph.

    High: 72 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 56. West wind 5 to 8 mph becoming calm  in the evening. Winds could gust as high as 20 mph.

    Low: 56 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 76. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 76 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 58. West northwest wind around 5 mph becoming calm  after midnight.

    Low: 58 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 77. Calm wind becoming south southeast around 6 mph in the afternoon.

    High: 77 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms.  Mostly cloudy, with a low around 60.

    Low: 60 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

Detailed Forecast

Tonight
A 40 percent chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 54. West southwest wind 3 to 6 mph.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 70. Calm wind becoming northwest 5 to 9 mph in the afternoon. Winds could gust as high as 22 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, with a low around 52. Southwest wind around 6 mph, with gusts as high as 18 mph.
Wednesday
Sunny, with a high near 72. Light west southwest wind becoming west 5 to 9 mph in the afternoon. Winds could gust as high as 23 mph.
Wednesday Night
Mostly clear, with a low around 56. West wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 20 mph.
Thursday
Sunny, with a high near 76. Calm wind becoming west northwest around 6 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 58. West northwest wind around 5 mph becoming calm after midnight.
Friday
Mostly sunny, with a high near 77. Calm wind becoming south southeast around 6 mph in the afternoon.
Friday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 60.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 75.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 57.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 72.
Sunday Night
A chance of showers. Partly cloudy, with a low around 54.
Monday
Sunny, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles SW Wilsall MT
 45.89°N 110.84°W (Elev. 7283 ft)
12:32 pm MDT Aug 17, 2026
7pm MDT Aug 17, 2026-6pm MDT Aug 24, 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