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

Ravalli County Airport (KHRF)

Lat: 46.25463°NLon: 114.1246°WElev: 3644.0ft.

Clear

81°F

27°C

Humidity 26%
Wind Speed NW 10 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 18 Aug 06:50 PM MDT
Extended Forecast for

18 Miles WSW Hamilton MT

  • Tonight

    Tonight: Mostly clear, with a low around 47. West southwest wind 6 to 11 mph, with gusts as high as 21 mph.

    Low: 47 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 71. West southwest wind 5 to 9 mph.

    High: 71 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 50. West wind 5 to 7 mph becoming light and variable.

    Low: 50 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 79. South southeast wind 5 to 7 mph becoming west in the afternoon.

    High: 79 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 54. West northwest wind around 6 mph becoming east southeast after midnight.

    Low: 54 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of rain before midnight.  Mostly cloudy, with a low around 55.

    Low: 55 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of rain, then a chance of showers and thunderstorms after noon.  Partly sunny, with a high near 72.

    High: 72 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before midnight, then a slight chance of rain after midnight.  Partly cloudy, with a low around 47.

    Low: 47 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 47. West southwest wind 6 to 11 mph, with gusts as high as 21 mph.
Wednesday
Sunny, with a high near 71. West southwest wind 5 to 9 mph.
Wednesday Night
Mostly clear, with a low around 50. West wind 5 to 7 mph becoming light and variable.
Thursday
Sunny, with a high near 79. South southeast wind 5 to 7 mph becoming west in the afternoon.
Thursday Night
Partly cloudy, with a low around 54. West northwest wind around 6 mph becoming east southeast after midnight.
Friday
Mostly sunny, with a high near 79.
Friday Night
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 55.
Saturday
A slight chance of rain, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 72.
Saturday Night
A chance of showers and thunderstorms before midnight, then a slight chance of rain after midnight. Partly cloudy, with a low around 47.
Sunday
Sunny, with a high near 67.
Sunday Night
Mostly clear, with a low around 46.
Monday
Sunny, with a high near 72.
Monday Night
Partly cloudy, with a low around 49.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
18 Miles WSW Hamilton MT
 46.16°N 114.53°W (Elev. 6982 ft)
2:00 pm MDT Aug 18, 2026
7pm MDT Aug 18, 2026-6pm MDT Aug 25, 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