Severe Thunderstorms in Portions of the Mississippi Valley and Great Lakes

A few severe thunderstorms with large hail, are expected across parts of the middle and upper Mississippi River Valley tonight through early morning. Snow and a wintry mix overnight in the Upper Midwest into the Great Lakes can cause hazardous travel conditions. Fire weather concerns continue for a large portion of the central and southern High Plains and Four Corners region this evening. Read More >

Current conditions at

DW8787 CHEHALIS (D8787)

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

NA

32°F

0°C

Humidity 92%
Wind Speed NNE 0 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 30°F (-1°C)
Visibility NA
Last update 31 Mar 02:00 AM PDT
Extended Forecast for

4 Miles SSW Onalaska WA

  • Overnight

    Overnight: Partly cloudy, with a low around 30. Calm wind.

    Low: 30 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 55. Light and variable wind.

    High: 55 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Rain, mainly after midnight.  Low around 39. Calm wind becoming south southeast around 6 mph after midnight.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Slight Chance
    Rain then
    Rain

  • Wednesday

    Wednesday: Rain.  High near 49. South wind 5 to 7 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 49 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain.  Low around 35. South southwest wind around 6 mph becoming calm  in the evening.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 35 °F

    Rain

  • Thursday

    Thursday: Rain likely.  Mostly cloudy, with a high near 51. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 51 °F

    Rain Likely

  • Thursday Night

    Thursday Night: A 20 percent chance of rain before 11pm.  Partly cloudy, with a low around 34.

    Low: 34 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 58.

    High: 58 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 30. Calm wind.
Tuesday
Partly sunny, with a high near 55. Light and variable wind.
Tuesday Night
Rain, mainly after midnight. Low around 39. Calm wind becoming south southeast around 6 mph after midnight. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain. High near 49. South wind 5 to 7 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Rain. Low around 35. South southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Rain likely. Mostly cloudy, with a high near 51. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A 20 percent chance of rain before 11pm. Partly cloudy, with a low around 34.
Friday
Partly sunny, with a high near 58.
Friday Night
Mostly clear, with a low around 35.
Saturday
Mostly sunny, with a high near 63.
Saturday Night
Partly cloudy, with a low around 39.
Sunday
Partly sunny, with a high near 67.
Sunday Night
Mostly cloudy, with a low around 42.
Monday
Partly sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Onalaska WA
 46.52°N 122.75°W (Elev. 423 ft)
11:27 pm PDT Mar 30, 2026
2am PDT Mar 31, 2026-6pm PDT Apr 6, 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