National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Critical Fire Weather in the Plains; Severe Thunderstorms in the Upper Mississippi Valley and Great Lakes

Anomalously warm, dry and breezy conditions will bring elevated to critical fire weather conditions across portions of the Intermountain West into the central and southern Plains today. Strong to severe thunderstorms are possible across portions of the upper Mississippi River Valley to the Great Lakes tonight through the day Tuesday. Damaging gusts, hail, and heavy rainfall are likely. Read More >

Current conditions at

DW8787 CHEHALIS (D8787)

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

NA

52°F

11°C

Humidity 53%
Wind Speed SSE 2 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 35°F (2°C)
Visibility NA
Last update 30 Mar 04:00 PM PDT
Extended Forecast for

Onalaska WA

  • Tonight

    Tonight: Partly cloudy, with a low around 30. North wind around 6 mph becoming calm in the evening.

    Low: 30 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 55. Light and variable wind.

    High: 55 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 50 percent chance of rain after 11pm. Mostly cloudy, with a low around 40. Light south wind.

    Low: 40 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain. High near 47. South southeast wind 5 to 8 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 47 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain. Low around 36. South southwest wind 5 to 7 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. High near 50. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 50 °F

    Rain

  • Thursday Night

    Thursday Night: A 20 percent chance of rain before 11pm. Partly cloudy, with a low around 35.

    Low: 35 °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

Detailed Forecast

Tonight
Partly cloudy, with a low around 30. North wind around 6 mph becoming calm in the evening.
Tuesday
Mostly cloudy, with a high near 55. Light and variable wind.
Tuesday Night
A 50 percent chance of rain after 11pm. Mostly cloudy, with a low around 40. Light south wind.
Wednesday
Rain. High near 47. South southeast wind 5 to 8 mph, with gusts as high as 21 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 5 to 7 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. High near 50. Chance of precipitation is 80%. 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 35.
Friday
Partly sunny, with a high near 57.
Friday Night
Mostly clear, with a low around 35.
Saturday
Mostly sunny, with a high near 61.
Saturday Night
Partly cloudy, with a low around 38.
Sunday
Partly sunny, with a high near 62.
Sunday Night
Partly cloudy, with a low around 38.
Monday
A chance of rain. Partly sunny, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Onalaska WA
 46.58°N 122.74°W (Elev. 600 ft)
Last Update:
11:27 am PDT Mar 30, 2026
Forecast Valid:
4pm PDT Mar 30, 2026-6pm PDT Apr 6, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation