Snow Expected from the Ohio Valley into the Mid-Atlantic; Rain and Thunderstorms in the Southeast

A frontal system is expected to bring wintry precipitation to the Central Appalachians and portions of the Mid-Atlantic into Wednesday, meanwhile, showers and thunderstorms are expected along the Gulf Coast and Southeast. A series of Clipper systems will bring periods of snow to the Northern Plains and Great Lakes over the next several days. Read More >

Current conditions at

DW8787 CHEHALIS (D8787)

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

NA

45°F

7°C

Humidity 100%
Wind Speed NW 0 MPH
Barometer 30.33 in (1027.09 mb)
Dewpoint 45°F (7°C)
Visibility NA
Last update 04 Feb 03:01 AM PST
Extended Forecast for

4 Miles SSW Onalaska WA

  • Overnight

    Overnight: Widespread fog.  Otherwise, mostly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Fog

  • Wednesday

    Wednesday: Widespread fog before 8am.  Otherwise, cloudy through mid morning, then gradual clearing, with a high near 60. Calm wind.

    High: 60 °F

    Fog then
    Sunny

  • Wednesday Night

    Wednesday Night: Patchy dense fog between 7pm and 8pm.  Otherwise, mostly clear, with a low around 36. Calm wind.

    Low: 36 °F

    Patchy Dense
    Fog then
    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 59. Calm wind.

    High: 59 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 37. Calm wind.

    Low: 37 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of rain, mainly after 4am.  Mostly cloudy, with a low around 41.

    Low: 41 °F

    Chance Rain

  • Saturday

    Saturday: Rain likely, mainly after 10am.  Cloudy, with a high near 53.

    High: 53 °F

    Rain Likely

  • Saturday Night

    Saturday Night: Rain.  Cloudy, with a low around 43.

    Low: 43 °F

    Rain

Detailed Forecast

Overnight
Widespread fog. Otherwise, mostly cloudy, with a low around 43. Calm wind.
Wednesday
Widespread fog before 8am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 60. Calm wind.
Wednesday Night
Patchy dense fog between 7pm and 8pm. Otherwise, mostly clear, with a low around 36. Calm wind.
Thursday
Mostly sunny, with a high near 59. Calm wind.
Thursday Night
Mostly clear, with a low around 37. Calm wind.
Friday
Mostly sunny, with a high near 57.
Friday Night
A 30 percent chance of rain, mainly after 4am. Mostly cloudy, with a low around 41.
Saturday
Rain likely, mainly after 10am. Cloudy, with a high near 53.
Saturday Night
Rain. Cloudy, with a low around 43.
Sunday
Rain. Cloudy, with a high near 48.
Sunday Night
Rain. Mostly cloudy, with a low around 38.
Monday
Rain likely. Mostly cloudy, with a high near 46.
Monday Night
A chance of rain. Mostly cloudy, with a low around 34.
Tuesday
A chance of rain. Partly sunny, with a high near 47.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Onalaska WA
 46.54°N 122.75°W (Elev. 535 ft)
1:26 am PST Feb 4, 2026
3am PST Feb 4, 2026-6pm PST Feb 10, 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