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

61°F

16°C

Humidity 67%
Wind Speed N 0 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 18 Aug 10:10 PM MDT
Extended Forecast for

2 Miles NNE Corvallis MT

  • Tonight

    Tonight: Mostly clear, with a low around 48. West northwest wind around 6 mph becoming southeast after midnight.

    Low: 48 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 85. South southeast wind around 5 mph becoming calm  in the morning.

    High: 85 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 49. Calm wind becoming south around 5 mph.

    Low: 49 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 90. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 90 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 54. North northwest wind around 5 mph becoming calm  in the evening.

    Low: 54 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 91.

    High: 91 °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 chance of showers and thunderstorms after noon.  Partly sunny, with a high near 86.

    High: 86 °F

    Partly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 48.

    Low: 48 °F

    Chance
    Showers then
    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 48. West northwest wind around 6 mph becoming southeast after midnight.
Wednesday
Sunny, with a high near 85. South southeast wind around 5 mph becoming calm in the morning.
Wednesday Night
Partly cloudy, with a low around 49. Calm wind becoming south around 5 mph.
Thursday
Sunny, with a high near 90. Calm wind becoming west northwest around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 54. North northwest wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 91.
Friday Night
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 55.
Saturday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 86.
Saturday Night
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 48.
Sunday
Sunny, with a high near 82.
Sunday Night
Mostly clear, with a low around 47.
Monday
Sunny, with a high near 85.
Monday Night
Partly cloudy, with a low around 50.
Tuesday
Mostly sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Corvallis MT
 46.35°N 114.1°W (Elev. 3458 ft)
2:00 pm MDT Aug 18, 2026
10pm 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