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Severe Weather for Northeast Southeastward into the Southern Plains; Flooding in the Upper Great Lakes

Severe thunderstorms are expected from the Northeast to Texas through the night and for the Central/Southern Plains on Friday. Considerable flooding impacts are ongoing in the Upper Great Lakes, and expected to continue through the weekend. Fire weather concerns persist in the Plains and the mid-Atlantic. There is late-season snow over the Northern/Central Rockies and the Northern Plains. Read More >

Hazardous Weather Conditions

Current conditions at

CHEHALIS (CLSW1)

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

NA

42°F

6°C

Humidity 83%
Wind Speed NE 0 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Last update 16 Apr 11:09 PM PDT
Extended Forecast for

4 Miles WNW Winlock WA

Frost Advisory April 17, 01:00am until April 17, 09:00am
Click here for hazard details and duration
Frost Advisory

  • Overnight

    Overnight: Areas of frost after 1am. Otherwise, partly cloudy, with a steady temperature around 37. Light west southwest wind.

    Low: 37 °F

    Areas Frost

  • Friday

    Friday: Areas of frost before 8am. Otherwise, partly sunny, with a high near 55. Calm wind.

    High: 55 °F

    Areas Frost
    then Partly
    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 37. Calm wind.

    Low: 37 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 66. Calm wind becoming south around 6 mph in the afternoon.

    High: 66 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 47. South wind around 6 mph becoming calm in the evening.

    Low: 47 °F

    Slight Chance
    Rain

  • Sunday

    Sunday: A 20 percent chance of rain. Mostly cloudy, with a high near 68.

    High: 68 °F

    Slight Chance
    Rain

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 47.

    Low: 47 °F

    Mostly Cloudy

  • Monday

    Monday: A slight chance of rain after 11am. Partly sunny, with a high near 69.

    High: 69 °F

    Slight Chance
    Rain

  • Monday Night

    Monday Night: A chance of rain. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Chance Rain

Detailed Forecast

Overnight
Areas of frost after 1am. Otherwise, partly cloudy, with a steady temperature around 37. Light west southwest wind.
Friday
Areas of frost before 8am. Otherwise, partly sunny, with a high near 55. Calm wind.
Friday Night
Mostly cloudy, with a low around 37. Calm wind.
Saturday
Partly sunny, with a high near 66. Calm wind becoming south around 6 mph in the afternoon.
Saturday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 47. South wind around 6 mph becoming calm in the evening.
Sunday
A 20 percent chance of rain. Mostly cloudy, with a high near 68.
Sunday Night
Mostly cloudy, with a low around 47.
Monday
A slight chance of rain after 11am. Partly sunny, with a high near 69.
Monday Night
A chance of rain. Mostly cloudy, with a low around 45.
Tuesday
A chance of rain. Mostly cloudy, with a high near 60.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 45.
Wednesday
A chance of rain. Mostly cloudy, with a high near 56.
Wednesday Night
A slight chance of rain. Mostly cloudy, with a low around 40.
Thursday
A slight chance of rain. Mostly sunny, with a high near 57.
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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:
11:26 pm PDT Apr 16, 2026
Forecast Valid:
12am PDT Apr 17, 2026-6pm PDT Apr 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation