Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Jefferson River Valley (JVWM)

Lat: 45.79778°NLon: 112.16528°WElev: 4415.0ft.

NA

81°F

27°C

Humidity 31%
Wind Speed S 7 MPH
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Heat Index80°F (27°C)
Last update 18 Aug 06:45 PM MDT
Extended Forecast for

7 Miles SSE Whitehall MT

  • Tonight

    Tonight: A 30 percent chance of showers, mainly before 9pm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 52. North northwest wind 5 to 8 mph becoming south southwest in the evening.

    Low: 52 °F

    Chance
    Showers then
    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 81. West southwest wind 7 to 10 mph, with gusts as high as 21 mph.

    High: 81 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 55. West northwest wind 3 to 8 mph. Winds could gust as high as 18 mph.

    Low: 55 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 87. Southwest wind 3 to 6 mph.

    High: 87 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 58. Northwest wind around 6 mph becoming calm  after midnight.

    Low: 58 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 85. Calm wind becoming east northeast around 6 mph in the afternoon.

    High: 85 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers.  Mostly cloudy, with a low around 59. East wind 5 to 7 mph becoming light and variable  after midnight.

    Low: 59 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms after noon.  Mostly cloudy, with a high near 82. Light southwest wind becoming west southwest 6 to 11 mph in the morning.

    High: 82 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 55.

    Low: 55 °F

    Chance
    Showers then
    Partly Cloudy

Detailed Forecast

Tonight
A 30 percent chance of showers, mainly before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 52. North northwest wind 5 to 8 mph becoming south southwest in the evening.
Wednesday
Sunny, with a high near 81. West southwest wind 7 to 10 mph, with gusts as high as 21 mph.
Wednesday Night
Mostly clear, with a low around 55. West northwest wind 3 to 8 mph. Winds could gust as high as 18 mph.
Thursday
Sunny, with a high near 87. Southwest wind 3 to 6 mph.
Thursday Night
Partly cloudy, with a low around 58. Northwest wind around 6 mph becoming calm after midnight.
Friday
Mostly sunny, with a high near 85. Calm wind becoming east northeast around 6 mph in the afternoon.
Friday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 59. East wind 5 to 7 mph becoming light and variable after midnight.
Saturday
A chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 82. Light southwest wind becoming west southwest 6 to 11 mph in the morning.
Saturday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 55.
Sunday
Sunny, with a high near 81.
Sunday Night
Partly cloudy, with a low around 53.
Monday
Sunny, with a high near 80.
Monday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 55.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles SSE Whitehall MT
 45.79°N 112.05°W (Elev. 5197 ft)
12:31 pm MDT Aug 18, 2026
7pm MDT Aug 18, 2026-6pm MDT Aug 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database