Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

DW8787 CHEHALIS (D8787)

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

NA

37°F

3°C

Humidity 100%
Wind Speed NW 0 MPH
Barometer 30.31 in (1026.41 mb)
Dewpoint 37°F (3°C)
Visibility NA
Last update 19 Jan 02:00 PM PST
Extended Forecast for

6 Miles ENE Onalaska WA

  • M.L.King Day

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

    High: 50 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 31. Calm wind.

    Low: 31 °F

    Partly Cloudy

  • Tuesday

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

    High: 48 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 31. Calm wind.

    Low: 31 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 47. Calm wind.

    High: 47 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Patchy fog between 11pm and midnight.  Otherwise, partly cloudy, with a low around 31.

    Low: 31 °F

    Patchy Fog
    then Partly
    Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

Detailed Forecast

M.L.King Day
Sunny, with a high near 50. Calm wind.
Tonight
Partly cloudy, with a low around 31. Calm wind.
Tuesday
Mostly sunny, with a high near 48. Calm wind.
Tuesday Night
Partly cloudy, with a low around 31. Calm wind.
Wednesday
Sunny, with a high near 47. Calm wind.
Wednesday Night
Partly cloudy, with a low around 31.
Thursday
Mostly sunny, with a high near 45.
Thursday Night
Patchy fog between 11pm and midnight. Otherwise, partly cloudy, with a low around 31.
Friday
Mostly sunny, with a high near 45.
Friday Night
A slight chance of snow after 4am. Patchy fog between 9pm and 10pm. Otherwise, partly cloudy, with a low around 31.
Saturday
A slight chance of rain and snow. Partly sunny, with a high near 45.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 34.
Sunday
Rain and snow likely. Mostly cloudy, with a high near 47.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ENE Onalaska WA
 46.6°N 122.62°W (Elev. 997 ft)
1:38 pm PST Jan 19, 2026
2pm PST Jan 19, 2026-6pm PST Jan 25, 2026
 
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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