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Winter Weather in the Eastern U.S.; Fire Weather in the Southern High Plains

A wintry mix may impact travel across portions of the Ohio Valley, central Appalachians, Mid-Atlantic, and Northeast U.S. today through Tuesday. Gusty winds and low relative humidity will bring elevated to critical fire weather to northeastern New Mexico and southeastern Colorado today and Tuesday. Read More >

Current conditions at

DW8787 CHEHALIS (D8787)

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

NA

58°F

14°C

Humidity 71%
Wind Speed NNW 2 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 49°F (9°C)
Visibility NA
Last update 02 Mar 02:15 PM PST
Extended Forecast for

Onalaska WA

  • This Afternoon

    This Afternoon: Sunny, with a high near 57. Calm wind.

    High: 57 °F

    Sunny

  • Tonight

    Tonight: A 20 percent chance of rain after 3am. Increasing clouds, with a low around 43. Calm wind.

    Low: 43 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Tuesday

    Tuesday: Rain, mainly after 1pm. High near 51. South wind 3 to 6 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 51 °F

    Chance Rain
    then Rain

  • Tuesday Night

    Tuesday Night: Rain. Low around 43. South wind 3 to 5 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 43 °F

    Rain

  • Wednesday

    Wednesday: Rain before 1pm, then showers and possibly a thunderstorm between 1pm and 4pm, then rain and possibly a thunderstorm after 4pm. High near 49. Southwest wind 3 to 6 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 49 °F

    Showers

  • Wednesday Night

    Wednesday Night: Rain. Low around 39. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Rain then
    Rain Likely

  • Thursday

    Thursday: Rain. High near 46. Chance of precipitation is 90%.

    High: 46 °F

    Rain

  • Thursday Night

    Thursday Night: Rain. Cloudy, with a low around 40.

    Low: 40 °F

    Rain

  • Friday

    Friday: Rain likely. Cloudy, with a high near 49.

    High: 49 °F

    Rain Likely

Detailed Forecast

This Afternoon
Sunny, with a high near 57. Calm wind.
Tonight
A 20 percent chance of rain after 3am. Increasing clouds, with a low around 43. Calm wind.
Tuesday
Rain, mainly after 1pm. High near 51. South wind 3 to 6 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Rain. Low around 43. South wind 3 to 5 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain before 1pm, then showers and possibly a thunderstorm between 1pm and 4pm, then rain and possibly a thunderstorm after 4pm. High near 49. Southwest wind 3 to 6 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Rain. Low around 39. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain. High near 46. Chance of precipitation is 90%.
Thursday Night
Rain. Cloudy, with a low around 40.
Friday
Rain likely. Cloudy, with a high near 49.
Friday Night
Rain likely, mainly before 10pm. Cloudy, with a low around 43.
Saturday
Rain likely. Cloudy, with a high near 51.
Saturday Night
Rain likely. Mostly cloudy, with a low around 42.
Sunday
Rain likely. Mostly cloudy, with a high near 52.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Onalaska WA
 46.58°N 122.74°W (Elev. 600 ft)
Last Update:
1:25 pm PST Mar 2, 2026
Forecast Valid:
2pm PST Mar 2, 2026-6pm PDT Mar 8, 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