National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

Ravalli County Airport (KHRF)

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

Overcast

52°F

11°C

Humidity 40%
Wind Speed NE 4 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 21 Mar 04:15 PM MDT
Extended Forecast for

Corvallis MT

  • Tonight

    Tonight: Mostly clear, with a low around 30. West wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 25 mph.

    Low: 30 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 56. Calm wind becoming west southwest 5 to 7 mph in the afternoon.

    High: 56 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 31. West northwest wind around 6 mph becoming calm in the evening.

    Low: 31 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 63. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 63 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 40. West wind around 5 mph becoming calm in the evening.

    Low: 40 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 50 percent chance of rain after noon. Mostly cloudy, with a high near 61.

    High: 61 °F

    Mostly Cloudy
    then Chance
    Rain

  • Tuesday Night

    Tuesday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 42. New precipitation amounts of less than a tenth of an inch possible.

    Low: 42 °F

    Chance Rain

  • Wednesday

    Wednesday: A chance of rain, mainly before noon. Partly sunny, with a high near 58.

    High: 58 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A slight chance of rain before midnight. Mostly cloudy, with a low around 33.

    Low: 33 °F

    Slight Chance
    Rain then
    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 30. West wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 25 mph.
Sunday
Sunny, with a high near 56. Calm wind becoming west southwest 5 to 7 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 31. West northwest wind around 6 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 63. Calm wind becoming west southwest around 5 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 40. West wind around 5 mph becoming calm in the evening.
Tuesday
A 50 percent chance of rain after noon. Mostly cloudy, with a high near 61.
Tuesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 42. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A chance of rain, mainly before noon. Partly sunny, with a high near 58.
Wednesday Night
A slight chance of rain before midnight. Mostly cloudy, with a low around 33.
Thursday
Mostly sunny, with a high near 51.
Thursday Night
Mostly clear, with a low around 27.
Friday
Sunny, with a high near 57.
Friday Night
Partly cloudy, with a low around 30.
Saturday
Mostly sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Corvallis MT
 46.31°N 114.1°W (Elev. 3566 ft)
Last Update:
2:01 pm MDT Mar 21, 2026
Forecast Valid:
4pm MDT Mar 21, 2026-6pm MDT Mar 28, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation