Heat Continues Across the Central and Western U.S.; Tracking Hazardous Weather Across the Northern U.S.

Early-season record warmth will persist across portions of the western and central U.S. through mid week, with high temperatures approaching 90 degrees from Texas to the Ohio Valley. Rain and mountain snow are possible across the Pacific Northwest Wednesday, with Severe Thunderstorms and wintry weather expected across the Northeast Thursday and Friday. Read More >

Current conditions at

DW8787 CHEHALIS (D8787)

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

NA

48°F

9°C

Humidity 95%
Wind Speed ENE 1 MPH
Barometer 29.78 in (1008.47 mb)
Dewpoint 47°F (8°C)
Visibility NA
Last update 24 Mar 08:15 AM PDT
Extended Forecast for

Onalaska WA

  • Today

    Today: Rain.  High near 52. South wind 8 to 13 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 52 °F

    Rain

  • Tonight

    Tonight: Rain likely, mainly between 11pm and 2am.  Mostly cloudy, with a low around 39. South southwest wind 5 to 9 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Rain Likely

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm.  High near 47. South southwest wind 6 to 9 mph.  Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 47 °F

    Showers

  • Wednesday Night

    Wednesday Night: Rain likely before 11pm, then a chance of rain and snow.  Mostly cloudy, with a low around 32. West wind 5 to 9 mph becoming light and variable  in the evening.  Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 32 °F

    Rain/Snow
    Likely then
    Chance
    Rain/Snow

  • Thursday

    Thursday: A slight chance of rain and snow before 11am, then a slight chance of rain.  Mostly sunny, with a high near 51. Light southwest wind.  Chance of precipitation is 20%.

    High: 51 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance Rain

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny

Detailed Forecast

Today
Rain. High near 52. South wind 8 to 13 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
Rain likely, mainly between 11pm and 2am. Mostly cloudy, with a low around 39. South southwest wind 5 to 9 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Showers and possibly a thunderstorm. High near 47. South southwest wind 6 to 9 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Rain likely before 11pm, then a chance of rain and snow. Mostly cloudy, with a low around 32. West wind 5 to 9 mph becoming light and variable in the evening. Chance of precipitation is 70%. Little or no snow accumulation expected.
Thursday
A slight chance of rain and snow before 11am, then a slight chance of rain. Mostly sunny, with a high near 51. Light southwest wind. Chance of precipitation is 20%.
Thursday Night
Mostly clear, with a low around 30.
Friday
Sunny, with a high near 59.
Friday Night
Mostly cloudy, with a low around 36.
Saturday
Partly sunny, with a high near 60.
Saturday Night
Mostly cloudy, with a low around 39.
Sunday
A chance of rain. Mostly cloudy, with a high near 59.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 39.
Monday
Rain likely. Mostly cloudy, with a high near 53.
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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 23, 2026
8am PDT Mar 24, 2026-6pm PDT Mar 30, 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