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

Corvallis, Corvallis Municipal Airport (KCVO)

Lat: 44.5°NLon: 123.28333°WElev: 246.0ft.

Clear

43°F

6°C

Humidity 86%
Wind Speed N 0 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 18 Mar 03:00 AM PDT
Extended Forecast for

3 Miles ENE Harlan OR

  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 47. Calm wind.

    Low: 47 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 66. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 66 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 48. Light south southwest wind.

    Low: 48 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of rain after 11am. Partly sunny, with a high near 65. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 65 °F

    Slight Chance
    Rain

  • Thursday Night

    Thursday Night: A 30 percent chance of rain, mainly after 11pm. Mostly cloudy, with a low around 49. West southwest wind around 6 mph becoming calm in the evening.

    Low: 49 °F

    Chance Rain

  • Friday

    Friday: Rain likely, mainly after 11am. Mostly cloudy, with a high near 60. Chance of precipitation is 70%.

    High: 60 °F

    Rain Likely

  • Friday Night

    Friday Night: Rain likely, mainly before 11pm. Mostly cloudy, with a low around 39. Chance of precipitation is 60%.

    Low: 39 °F

    Rain Likely

  • Saturday

    Saturday: A chance of rain, mainly before 11am. Snow level 3000 feet lowering to 2400 feet. Partly sunny, with a high near 51.

    High: 51 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 47. Calm wind.
Wednesday
Partly sunny, with a high near 66. Calm wind becoming west southwest around 6 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 48. Light south southwest wind.
Thursday
A 20 percent chance of rain after 11am. Partly sunny, with a high near 65. Calm wind becoming southwest around 6 mph in the afternoon.
Thursday Night
A 30 percent chance of rain, mainly after 11pm. Mostly cloudy, with a low around 49. West southwest wind around 6 mph becoming calm in the evening.
Friday
Rain likely, mainly after 11am. Mostly cloudy, with a high near 60. Chance of precipitation is 70%.
Friday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 39. Chance of precipitation is 60%.
Saturday
A chance of rain, mainly before 11am. Snow level 3000 feet lowering to 2400 feet. Partly sunny, with a high near 51.
Saturday Night
Partly cloudy, with a low around 33.
Sunday
Sunny, with a high near 54.
Sunday Night
Partly cloudy, with a low around 35.
Monday
A slight chance of rain. Snow level 2700 feet rising to 3800 feet in the afternoon. Mostly cloudy, with a high near 55.
Monday Night
A chance of rain. Mostly cloudy, with a low around 41.
Tuesday
Rain. Cloudy, with a high near 50.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Harlan OR
 44.56°N 123.62°W (Elev. 1260 ft)
Last Update:
2:41 am PDT Mar 18, 2026
Forecast Valid:
3am PDT Mar 18, 2026-6pm PDT Mar 24, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation