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 NNE 0 MPH
Barometer 30.23 in (1023.71 mb)
Dewpoint 43°F (6°C)
Visibility NA
Last update 26 Nov 04:00 AM PST
Extended Forecast for

Onalaska WA

  • Overnight

    Overnight: A 20 percent chance of rain. Cloudy, with a steady temperature around 43. Light south southeast wind.

    Low: 43 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: Rain likely, mainly after 5pm. Patchy fog after 3pm. Otherwise, cloudy, with a high near 49. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 49 °F

    Chance Rain
    then Rain
    Likely and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: Rain, mainly before midnight. Patchy fog before 7pm. Low around 44. Light southeast wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 44 °F

    Rain and
    Patchy Fog

  • Thanksgiving Day

    Thanksgiving Day: Rain. High near 49. Southeast wind 7 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 49 °F

    Rain

  • Thursday Night

    Thursday Night: Rain, mainly before 4am. Low around 43. South southeast wind 5 to 7 mph becoming east after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 43 °F

    Rain

  • Friday

    Friday: A 40 percent chance of rain, mainly before 10am. Partly sunny, with a high near 49.

    High: 49 °F

    Chance Rain

  • Friday Night

    Friday Night: A 20 percent chance of rain. Patchy fog after 7pm. Otherwise, mostly cloudy, with a low around 36.

    Low: 36 °F

    Slight Chance
    Rain and
    Patchy Fog

  • Saturday

    Saturday: A slight chance of rain. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 47.

    High: 47 °F

    Slight Chance
    Rain and
    Patchy Fog

  • Saturday Night

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

    Low: 33 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of rain. Cloudy, with a steady temperature around 43. Light south southeast wind.
Wednesday
Rain likely, mainly after 5pm. Patchy fog after 3pm. Otherwise, cloudy, with a high near 49. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain, mainly before midnight. Patchy fog before 7pm. Low around 44. Light southeast wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thanksgiving Day
Rain. High near 49. Southeast wind 7 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Rain, mainly before 4am. Low around 43. South southeast wind 5 to 7 mph becoming east after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
A 40 percent chance of rain, mainly before 10am. Partly sunny, with a high near 49.
Friday Night
A 20 percent chance of rain. Patchy fog after 7pm. Otherwise, mostly cloudy, with a low around 36.
Saturday
A slight chance of rain. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 47.
Saturday Night
Mostly cloudy, with a low around 33.
Sunday
Partly sunny, with a high near 46.
Sunday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 35.
Monday
A slight chance of rain. Patchy fog. Otherwise, mostly cloudy, with a high near 46.
Monday Night
A chance of rain. Mostly cloudy, with a low around 38.
Tuesday
A chance of rain. Mostly cloudy, with a high near 47.
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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:
3:09 am PST Nov 26, 2025
Forecast Valid:
4am PST Nov 26, 2025-6pm PST Dec 2, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation