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.

Partly Cloudy

45°F

7°C

Humidity 61%
Wind Speed SW 6 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 18 Mar 02:55 AM MDT
Extended Forecast for

Corvallis MT

  • Overnight

    Overnight: Mostly cloudy, with a low around 42. South southeast wind around 8 mph.

    Low: 42 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 63. South southeast wind 8 to 10 mph, with gusts as high as 23 mph.

    High: 63 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 41. South wind around 7 mph.

    Low: 41 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 68. South southeast wind 6 to 10 mph becoming west southwest in the afternoon. Winds could gust as high as 23 mph.

    High: 68 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 43. South southwest wind 6 to 8 mph, with gusts as high as 20 mph.

    Low: 43 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance Rain

  • Saturday

    Saturday: A chance of rain. Mostly cloudy, with a high near 56.

    High: 56 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 42. South southeast wind around 8 mph.
Wednesday
Mostly sunny, with a high near 63. South southeast wind 8 to 10 mph, with gusts as high as 23 mph.
Wednesday Night
Mostly cloudy, with a low around 41. South wind around 7 mph.
Thursday
Sunny, with a high near 68. South southeast 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 43. South southwest wind 6 to 8 mph, with gusts as high as 20 mph.
Friday
Mostly sunny, with a high near 70.
Friday Night
A 30 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 43.
Saturday
A chance of rain. Mostly cloudy, with a high near 56.
Saturday Night
Partly cloudy, with a low around 30.
Sunday
Mostly sunny, with a high near 54.
Sunday Night
Mostly clear, with a low around 30.
Monday
Partly sunny, with a high near 58.
Monday Night
Mostly cloudy, with a low around 35.
Tuesday
A chance of rain. Partly sunny, with a high near 60.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Corvallis MT
 46.31°N 114.1°W (Elev. 3566 ft)
Last Update:
2:01 am MDT Mar 18, 2026
Forecast Valid:
3am MDT Mar 18, 2026-6pm MDT Mar 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation