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

DW8787 CHEHALIS (D8787)

Lat: 46.64646°NLon: 122.8388°WElev: 564.0ft.

NA

43°F

6°C

Humidity 100%
Wind Speed E 2 MPH
Barometer 30.37 in (1028.45 mb)
Dewpoint 43°F (6°C)
Visibility NA
Last update 24 Nov 02:15 PM PST
Extended Forecast for

Onalaska WA

  • This Afternoon

    This Afternoon: A 20 percent chance of rain. Patchy fog after 5pm. Otherwise, mostly cloudy, with a high near 45. Calm wind.

    High: 45 °F

    Slight Chance
    Rain and
    Patchy Fog

  • Tonight

    Tonight: A 10 percent chance of rain after 5am. Patchy fog before 9pm. Otherwise, mostly cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Patchy Fog
    then Slight
    Chance Rain

  • Tuesday

    Tuesday: Rain, mainly after 8am. High near 43. Calm wind becoming south southeast around 5 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 43 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain. Low around 39. South southeast wind 5 to 7 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 39 °F

    Rain

  • Wednesday

    Wednesday: Rain. High near 49. Light south southeast wind. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 49 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain. Low around 44. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 44 °F

    Rain

  • Thanksgiving Day

    Thanksgiving Day: Rain. High near 51. Chance of precipitation is 90%.

    High: 51 °F

    Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly before 10pm. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Rain Likely

  • Friday

    Friday: A chance of rain. Mostly cloudy, with a high near 49.

    High: 49 °F

    Chance Rain

Detailed Forecast

This Afternoon
A 20 percent chance of rain. Patchy fog after 5pm. Otherwise, mostly cloudy, with a high near 45. Calm wind.
Tonight
A 10 percent chance of rain after 5am. Patchy fog before 9pm. Otherwise, mostly cloudy, with a low around 34. Calm wind.
Tuesday
Rain, mainly after 8am. High near 43. Calm wind becoming south southeast around 5 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
Rain. Low around 39. South southeast wind 5 to 7 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Rain. High near 49. Light south southeast wind. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Rain. Low around 44. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Thanksgiving Day
Rain. High near 51. Chance of precipitation is 90%.
Thursday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 41.
Friday
A chance of rain. Mostly cloudy, with a high near 49.
Friday Night
A chance of rain. Patchy fog before 10pm. Otherwise, mostly cloudy, with a low around 36.
Saturday
A chance of rain. Mostly cloudy, with a high near 46.
Saturday Night
A chance of rain and snow. Partly cloudy, with a low around 30.
Sunday
A slight chance of rain and snow. Mostly sunny, with a high near 44.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Onalaska WA
 46.58°N 122.74°W (Elev. 600 ft)
Last Update:
1:26 pm PST Nov 24, 2025
Forecast Valid:
2pm PST Nov 24, 2025-6pm PST Nov 30, 2025
 
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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