Severe Thunderstorms and Heavy Rainfall in the Ohio Valley and Great Lakes; Winter Weather in the Northern Tier

A slow moving front extending from the Great Lakes region into the Plains will bring snow, wintry mix, and ice accumulation north of the front from the Upper Midwest into New England, and severe weather and heavy rain south of the front. Scattered severe thunderstorms with damaging gusts, severe hail, and heavy rain are expected across parts of the Great Lakes/Midwest through tonight. Read More >

Current conditions at

DW8787 CHEHALIS (D8787)

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

NA

31°F

-1°C

Humidity 94%
Wind Speed NW 0 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 29°F (-2°C)
Visibility NA
Last update 31 Mar 05:31 AM PDT
Extended Forecast for

Onalaska WA

  • Today

    Today: Partly sunny, with a high near 54. Light and variable wind.

    High: 54 °F

    Partly Sunny

  • Tonight

    Tonight: Rain, mainly after 2am.  Low around 39. Calm wind becoming southeast 5 to 8 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 around 8 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 36. 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: 36 °F

    Rain

  • Thursday

    Thursday: Rain likely.  Mostly cloudy, with a high near 51. Calm wind becoming west around 5 mph in the afternoon.  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 57.

    High: 57 °F

    Partly Sunny

  • Friday Night

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

    Low: 35 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 54. Light and variable wind.
Tonight
Rain, mainly after 2am. Low around 39. Calm wind becoming southeast 5 to 8 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 around 8 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Rain. Low around 36. 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. Calm wind becoming west around 5 mph in the afternoon. 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 57.
Friday Night
Mostly clear, with a low around 35.
Saturday
Mostly sunny, with a high near 62.
Saturday Night
Partly cloudy, with a low around 40.
Sunday
Partly sunny, with a high near 66.
Sunday Night
Partly cloudy, with a low around 42.
Monday
Partly sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
Onalaska WA
 46.58°N 122.74°W (Elev. 600 ft)
11:27 pm PDT Mar 30, 2026
6am 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