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

Critical Fire Weather in the Plains; Unseasonably Warm in the Southwest and Southern U.S.

Unseasonably warm temperatures continue through the weekend across the Southwest and southern U.S., with more than 100 record or near record maximum temperatures forecast through the rest of the week and over the weekend. Elevated to critical fire weather conditions will persist across the Plains and Southeast U.S. this weekend. Read More >

Current conditions at

DW8787 CHEHALIS (D8787)

Lat: 46.64646°NLon: 122.8388°WElev: 550.0ft.

NA

46°F

8°C

Humidity 80%
Wind Speed SE 0 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 40°F (4°C)
Visibility NA
Last update 28 Mar 10:00 AM PDT
Extended Forecast for

3 Miles S Onalaska WA

  • Today

    Today: Mostly sunny, with a high near 55. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 55 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 33. Light north wind.

    Low: 33 °F

    Mostly Cloudy

  • Sunday

    Sunday: Rain likely, mainly between 3pm and 4pm. Cloudy, with a high near 48. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 48 °F

    Rain Likely

  • Sunday Night

    Sunday Night: A 50 percent chance of rain before 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 28. West wind around 5 mph becoming calm in the evening.

    Low: 28 °F

    Chance Rain
    then Mostly
    Clear

  • Monday

    Monday: Sunny, with a high near 50. Calm wind.

    High: 50 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 54.

    High: 54 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A chance of rain after 11pm. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain. Cloudy, with a high near 48.

    High: 48 °F

    Rain

Detailed Forecast

Today
Mostly sunny, with a high near 55. Calm wind becoming west northwest around 5 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 33. Light north wind.
Sunday
Rain likely, mainly between 3pm and 4pm. Cloudy, with a high near 48. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
A 50 percent chance of rain before 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 28. West wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 50. Calm wind.
Monday Night
Partly cloudy, with a low around 28.
Tuesday
Mostly cloudy, with a high near 54.
Tuesday Night
A chance of rain after 11pm. Mostly cloudy, with a low around 38.
Wednesday
Rain. Cloudy, with a high near 48.
Wednesday Night
Rain. Cloudy, with a low around 36.
Thursday
Rain. Mostly cloudy, with a high near 49.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 36.
Friday
A chance of rain. Partly sunny, with a high near 54.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Onalaska WA
 46.54°N 122.72°W (Elev. 528 ft)
Last Update:
9:55 am PDT Mar 28, 2026
Forecast Valid:
10am PDT Mar 28, 2026-6pm PDT Apr 3, 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