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

48°F

9°C

Humidity 92%
Wind Speed E 0 MPH
Barometer 30.24 in (1024.04 mb)
Dewpoint 46°F (8°C)
Visibility NA
Last update 21 Nov 04:46 PM PST
Extended Forecast for

4 Miles SSW Onalaska WA

  • Tonight

    Tonight: Patchy fog between 2am and 4am. Otherwise, mostly cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Patchy Fog

  • Saturday

    Saturday: A 10 percent chance of rain after 4pm. Patchy fog between 7am and 10am. Otherwise, partly sunny, with a high near 54. Calm wind.

    High: 54 °F

    Patchy Fog
    then Slight
    Chance Rain

  • Saturday Night

    Saturday Night: Rain, mainly after 4am. Patchy fog between 9pm and 10pm. Low around 42. Light south wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 42 °F

    Chance Rain
    and Patchy
    Fog then Rain

  • Sunday

    Sunday: Rain. High near 48. Southwest wind 3 to 5 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 48 °F

    Rain

  • Sunday Night

    Sunday Night: Rain. Low around 35. Light south wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 35 °F

    Rain

  • Monday

    Monday: Rain likely, mainly before 10am. Mostly cloudy, with a high near 47. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 47 °F

    Rain Likely
    then Chance
    Rain

  • Monday Night

    Monday Night: Patchy fog. Otherwise, mostly cloudy, with a low around 34.

    Low: 34 °F

    Patchy Fog

  • Tuesday

    Tuesday: A chance of rain. Cloudy, with a high near 45.

    High: 45 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: Rain likely. Cloudy, with a low around 38.

    Low: 38 °F

    Rain Likely

Detailed Forecast

Tonight
Patchy fog between 2am and 4am. Otherwise, mostly cloudy, with a low around 39. Calm wind.
Saturday
A 10 percent chance of rain after 4pm. Patchy fog between 7am and 10am. Otherwise, partly sunny, with a high near 54. Calm wind.
Saturday Night
Rain, mainly after 4am. Patchy fog between 9pm and 10pm. Low around 42. Light south wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Rain. High near 48. Southwest wind 3 to 5 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Rain. Low around 35. Light south wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Rain likely, mainly before 10am. Mostly cloudy, with a high near 47. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 34.
Tuesday
A chance of rain. Cloudy, with a high near 45.
Tuesday Night
Rain likely. Cloudy, with a low around 38.
Wednesday
Rain likely. Cloudy, with a high near 50.
Wednesday Night
Rain likely. Cloudy, with a low around 44.
Thanksgiving Day
Rain likely. Cloudy, with a high near 53.
Thursday Night
Rain likely. Cloudy, with a low around 42.
Friday
Rain likely. Cloudy, with a high near 50.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Onalaska WA
 46.52°N 122.75°W (Elev. 423 ft)
Last Update:
1:25 pm PST Nov 21, 2025
Forecast Valid:
5pm PST Nov 21, 2025-6pm PST Nov 28, 2025
 
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Additional Resources

Radar & Satellite Image

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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