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

Heat Wave Continues in the West; Critical Fire Weather Conditions in the High Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Critical fire weather conditions will continue over the next couple of days across portions of the High Plains as gusty winds and dry conditions persist. Read More >

Current conditions at

Ravalli County Airport (KHRF)

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

Overcast

50°F

10°C

Humidity 61%
Wind Speed N 0 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 17 Mar 08:55 PM MDT
Extended Forecast for

Corvallis MT

  • Tonight

    Tonight: Mostly cloudy, with a low around 42. South southeast wind 7 to 9 mph.

    Low: 42 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 65. South southeast wind 8 to 10 mph, with gusts as high as 24 mph.

    High: 65 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 42. South wind around 6 mph.

    Low: 42 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 67. South wind 6 to 10 mph becoming west southwest in the afternoon. Winds could gust as high as 23 mph.

    High: 67 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 44. South wind 6 to 8 mph, with gusts as high as 18 mph.

    Low: 44 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of rain. Partly cloudy, with a low around 44.

    Low: 44 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: A chance of rain, mainly before noon. Partly sunny, with a high near 57.

    High: 57 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 42. South southeast wind 7 to 9 mph.
Wednesday
Mostly sunny, with a high near 65. South southeast wind 8 to 10 mph, with gusts as high as 24 mph.
Wednesday Night
Partly cloudy, with a low around 42. South wind around 6 mph.
Thursday
Sunny, with a high near 67. South wind 6 to 10 mph becoming west southwest in the afternoon. Winds could gust as high as 23 mph.
Thursday Night
Partly cloudy, with a low around 44. South wind 6 to 8 mph, with gusts as high as 18 mph.
Friday
Mostly sunny, with a high near 72.
Friday Night
A 20 percent chance of rain. Partly cloudy, with a low around 44.
Saturday
A chance of rain, mainly before noon. Partly sunny, with a high near 57.
Saturday Night
Partly cloudy, with a low around 29.
Sunday
Mostly sunny, with a high near 55.
Sunday Night
Partly cloudy, with a low around 30.
Monday
Partly sunny, with a high near 60.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 36.
Tuesday
A chance of rain. Partly sunny, with a high near 60.
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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:
2:11 pm MDT Mar 17, 2026
Forecast Valid:
9pm MDT Mar 17, 2026-6pm MDT Mar 24, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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