Severe Thunderstorms for mid-Mississippi and Ohio Valley; Record Warmth and Fire Weather Concerns

Severe thunderstorms are expected later this afternoon and evening across the mid-Mississippi and Ohio Valley's. Large hail, damaging winds and a few tornadoes are all possible. Meanwhile, record warmth across the southern tier of the country continues; This will enhance fire weather conditions for the Plains. The cold front will head south on Friday with cooler temperatures east of the Rockies. Read More >

Current conditions at

DW8787 CHEHALIS (D8787)

Lat: 46.64646°NLon: 122.8388°WElev: 550.0ft.

NA

55°F

13°C

Humidity 52%
Wind Speed WNW 1 MPH
Barometer 30.54 in (1034.2 mb)
Dewpoint 38°F (3°C)
Visibility NA
Last update 26 Mar 04:45 PM PDT
Extended Forecast for

4 Miles SSW Onalaska WA

  • Tonight

    Tonight: Mostly clear, with a low around 30. Calm wind.

    Low: 30 °F

    Mostly Clear

  • Friday

    Friday: Patchy fog before 7am.  Otherwise, increasing clouds, with a high near 56. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 56 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 33. North northwest wind around 5 mph becoming calm  in the evening.

    Low: 33 °F

    Mostly Cloudy

  • Saturday

    Saturday: Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 57. Light northwest wind.

    High: 57 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 33. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 33 °F

    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers after 11am.  Mostly cloudy, with a high near 55.

    High: 55 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 50 percent chance of rain.  Mostly cloudy, with a low around 34.

    Low: 34 °F

    Chance Rain

  • Monday

    Monday: A chance of rain.  Partly sunny, with a high near 51.

    High: 51 °F

    Chance Rain

  • Monday Night

    Monday Night: A chance of rain, mainly before 11pm.  Mostly cloudy, with a low around 31.

    Low: 31 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 30. Calm wind.
Friday
Patchy fog before 7am. Otherwise, increasing clouds, with a high near 56. Calm wind becoming north northwest around 5 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 33. North northwest wind around 5 mph becoming calm in the evening.
Saturday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 57. Light northwest wind.
Saturday Night
Partly cloudy, with a low around 33. Northwest wind around 5 mph becoming calm in the evening.
Sunday
A 30 percent chance of showers after 11am. Mostly cloudy, with a high near 55.
Sunday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 34.
Monday
A chance of rain. Partly sunny, with a high near 51.
Monday Night
A chance of rain, mainly before 11pm. Mostly cloudy, with a low around 31.
Tuesday
A chance of rain, mainly after 11am. Partly sunny, with a high near 54.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 39.
Wednesday
Rain likely. Mostly cloudy, with a high near 49.
Wednesday Night
Rain. Mostly cloudy, with a low around 38.
Thursday
Rain. Mostly cloudy, with a high near 49.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Onalaska WA
 46.54°N 122.75°W (Elev. 535 ft)
11:27 am PDT Mar 26, 2026
5pm PDT Mar 26, 2026-6pm PDT Apr 2, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database