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Above Average Temperatures for the West and Central Plains; Lake Effect Snow Continues

Well above average temperatures will prevail across the Plains and the West Coast this week, while a cold front will bring Arctic air to the South and East Coast Thursday and Friday. Lake effect snow is forecast downwind of the Great Lakes through Thursday along and behind the Arctic front, as well as mountain snow across the Southern Appalachians. Read More >

Current conditions at

CHEHALIS (CLSW1)

Lat: 46.61°NLon: 122.90833°WElev: 262.0ft.

NA

42°F

6°C

Humidity 100%
Wind Speed ESE 1 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Last update 14 Jan 02:09 AM PST
Extended Forecast for

4 Miles WNW Winlock WA

  • Overnight

    Overnight: Areas of fog. Otherwise, mostly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Areas Fog

  • Wednesday

    Wednesday: Areas of dense fog. Otherwise, mostly cloudy, with a high near 48. Light north northwest wind.

    High: 48 °F

    Areas Dense
    Fog

  • Wednesday Night

    Wednesday Night: Patchy dense fog before 11pm. Otherwise, mostly cloudy, with a low around 41. North wind 5 to 7 mph.

    Low: 41 °F

    Patchy Dense
    Fog then
    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 47. North wind around 8 mph.

    High: 47 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Patchy fog. Otherwise, partly cloudy, with a low around 35. North northeast wind around 5 mph.

    Low: 35 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 10am. Otherwise, sunny, with a high near 49.

    High: 49 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Patchy fog after 5am. Otherwise, mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, sunny, with a high near 49.

    High: 49 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Patchy fog before 2am, then patchy fog after 3am. Otherwise, mostly clear, with a low around 33.

    Low: 33 °F

    Patchy Fog

Detailed Forecast

Overnight
Areas of fog. Otherwise, mostly cloudy, with a low around 40. Calm wind.
Wednesday
Areas of dense fog. Otherwise, mostly cloudy, with a high near 48. Light north northwest wind.
Wednesday Night
Patchy dense fog before 11pm. Otherwise, mostly cloudy, with a low around 41. North wind 5 to 7 mph.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 47. North wind around 8 mph.
Thursday Night
Patchy fog. Otherwise, partly cloudy, with a low around 35. North northeast wind around 5 mph.
Friday
Patchy fog before 10am. Otherwise, sunny, with a high near 49.
Friday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 33.
Saturday
Patchy fog before 9am. Otherwise, sunny, with a high near 49.
Saturday Night
Patchy fog before 2am, then patchy fog after 3am. Otherwise, mostly clear, with a low around 33.
Sunday
Patchy fog before 9am. Otherwise, sunny, with a high near 49.
Sunday Night
Patchy fog. Otherwise, mostly clear, with a low around 32.
M.L.King Day
Patchy fog. Otherwise, mostly sunny, with a high near 47.
Monday Night
Patchy fog. Otherwise, partly cloudy, with a low around 33.
Tuesday
Patchy fog. Otherwise, partly sunny, with a high near 45.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Winlock WA
 46.52°N 123.03°W (Elev. 912 ft)
Last Update:
1:26 am PST Jan 14, 2026
Forecast Valid:
2am PST Jan 14, 2026-6pm PST Jan 20, 2026
 
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Additional Resources

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National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation