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

Bearmouth I-90 MP 145.8 (MTBRM)

Lat: 46.71854°NLon: 113.29534°WElev: 3901.0ft.

NA

88°F

31°C

Humidity 20%
Wind Speed W 9 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Heat Index85°F (29°C)
Last update 19 Aug 04:01 PM MDT
Extended Forecast for

13 Miles ESE Clinton MT

  • Tonight

    Tonight: Mostly clear, with a low around 50. West northwest wind around 6 mph becoming calm  in the evening.

    Low: 50 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 89. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 89 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 55. Light and variable wind.

    Low: 55 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 91. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 91 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms after midnight.  Mostly cloudy, with a low around 57. North wind around 5 mph becoming calm  in the evening.

    Low: 57 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: A chance of rain before noon, then a chance of showers and thunderstorms after noon.  Partly sunny, with a high near 85. Chance of precipitation is 50%.

    High: 85 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 52.

    Low: 52 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 50. West northwest wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 89. Calm wind becoming west northwest around 6 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 55. Light and variable wind.
Friday
Mostly sunny, with a high near 91. Calm wind becoming north northwest around 5 mph in the afternoon.
Friday Night
A 20 percent chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 57. North wind around 5 mph becoming calm in the evening.
Saturday
A chance of rain before noon, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 85. Chance of precipitation is 50%.
Saturday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 52.
Sunday
Sunny, with a high near 79.
Sunday Night
Mostly clear, with a low around 47.
Monday
Sunny, with a high near 82.
Monday Night
Partly cloudy, with a low around 51.
Tuesday
A slight chance of rain. Mostly sunny, with a high near 84.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 51.
Wednesday
A slight chance of rain. Mostly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles ESE Clinton MT
 46.71°N 113.46°W (Elev. 4688 ft)
2:01 pm MDT Aug 19, 2026
4pm MDT Aug 19, 2026-6pm MDT Aug 26, 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