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

Tracking Winter Weather and Frigid Temperatures This Weekend

Another clipper will drop into the Northern Plains and Upper Midwest into Sunday with snow and gusty winds contributing to some areas of blizzard conditions and snow squalls. Impactful snowfall will occur up and down the East Coast Sunday extending from the western Florida Panhandle to Maine. Read More >

Current conditions at

DW8787 CHEHALIS (D8787)

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

NA

27°F

-3°C

Humidity 100%
Wind Speed NW 0 MPH
Barometer 30.3 in (1026.08 mb)
Dewpoint 27°F (-3°C)
Visibility NA
Last update 18 Jan 06:46 AM PST
Extended Forecast for

3 Miles S Onalaska WA

  • Today

    Today: Sunny, with a high near 49. Calm wind.

    High: 49 °F

    Sunny

  • Tonight

    Tonight: Patchy dense fog between 11pm and midnight. Otherwise, mostly clear, with a low around 30. Calm wind.

    Low: 30 °F

    Patchy Dense
    Fog then
    Mostly Clear

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 50. Calm wind.

    High: 50 °F

    Sunny

  • Monday Night

    Monday Night: Patchy fog between 9pm and 10pm. Otherwise, mostly clear, with a low around 31. Calm wind.

    Low: 31 °F

    Patchy Fog
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 48. Calm wind.

    High: 48 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog before 9pm. Otherwise, partly cloudy, with a low around 32.

    Low: 32 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 47.

    High: 47 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of rain after 4am. Patchy fog before 11pm, then patchy fog after 3am. Otherwise, mostly cloudy, with a low around 33.

    Low: 33 °F

    Patchy Fog
    then Slight
    Chance Rain
    and Patchy
    Fog

  • Thursday

    Thursday: A chance of rain, mainly after 10am. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 45.

    High: 45 °F

    Chance Rain
    and Patchy
    Fog

Detailed Forecast

Today
Sunny, with a high near 49. Calm wind.
Tonight
Patchy dense fog between 11pm and midnight. Otherwise, mostly clear, with a low around 30. Calm wind.
M.L.King Day
Sunny, with a high near 50. Calm wind.
Monday Night
Patchy fog between 9pm and 10pm. Otherwise, mostly clear, with a low around 31. Calm wind.
Tuesday
Mostly sunny, with a high near 48. Calm wind.
Tuesday Night
Patchy fog before 9pm. Otherwise, partly cloudy, with a low around 32.
Wednesday
Partly sunny, with a high near 47.
Wednesday Night
A slight chance of rain after 4am. Patchy fog before 11pm, then patchy fog after 3am. Otherwise, mostly cloudy, with a low around 33.
Thursday
A chance of rain, mainly after 10am. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 45.
Thursday Night
A chance of rain. Patchy fog after 10pm. Otherwise, cloudy, with a low around 37.
Friday
Rain likely. Mostly cloudy, with a high near 45.
Friday Night
Rain likely. Mostly cloudy, with a low around 34.
Saturday
Rain likely, possibly mixed with snow. Mostly cloudy, with a high near 43.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Onalaska WA
 46.54°N 122.72°W (Elev. 528 ft)
Last Update:
1:27 am PST Jan 18, 2026
Forecast Valid:
7am PST Jan 18, 2026-6pm PST Jan 24, 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