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

DW8787 CHEHALIS (D8787)

Lat: 46.64646°NLon: 122.8388°WElev: 564.0ft.

NA

45°F

7°C

Humidity 100%
Wind Speed E 0 MPH
Barometer 29.86 in (1011.18 mb)
Dewpoint 45°F (7°C)
Visibility NA
Last update 17 Nov 09:00 AM PST
Extended Forecast for

Onalaska WA

  • Today

    Today: Rain likely before 1pm, then a chance of rain after 4pm. Mostly cloudy, with a high near 48. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 48 °F

    Rain Likely
    then Chance
    Rain

  • Tonight

    Tonight: A slight chance of rain between 1am and 3am. Mostly cloudy, with a low around 37. Calm wind. Chance of precipitation is 20%.

    Low: 37 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Tuesday

    Tuesday: A 40 percent chance of rain. Mostly cloudy, with a high near 48. Calm wind.

    High: 48 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: Patchy fog before midnight. Otherwise, partly cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Patchy Fog
    then Partly
    Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of rain after 4pm. Partly sunny, with a high near 52. Calm wind.

    High: 52 °F

    Partly Sunny
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: Rain likely, mainly after 10pm. Mostly cloudy, with a low around 39. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Rain Likely

  • Thursday

    Thursday: Rain likely, mainly before 10am. Mostly cloudy, with a high near 51. Chance of precipitation is 60%.

    High: 51 °F

    Rain Likely

  • Thursday Night

    Thursday Night: A chance of rain. Mostly cloudy, with a low around 40.

    Low: 40 °F

    Chance Rain

  • Friday

    Friday: Rain likely, mainly after 10am. Mostly cloudy, with a high near 51.

    High: 51 °F

    Rain Likely

Detailed Forecast

Today
Rain likely before 1pm, then a chance of rain after 4pm. Mostly cloudy, with a high near 48. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A slight chance of rain between 1am and 3am. Mostly cloudy, with a low around 37. Calm wind. Chance of precipitation is 20%.
Tuesday
A 40 percent chance of rain. Mostly cloudy, with a high near 48. Calm wind.
Tuesday Night
Patchy fog before midnight. Otherwise, partly cloudy, with a low around 33. Calm wind.
Wednesday
A 30 percent chance of rain after 4pm. Partly sunny, with a high near 52. Calm wind.
Wednesday Night
Rain likely, mainly after 10pm. Mostly cloudy, with a low around 39. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain likely, mainly before 10am. Mostly cloudy, with a high near 51. Chance of precipitation is 60%.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 40.
Friday
Rain likely, mainly after 10am. Mostly cloudy, with a high near 51.
Friday Night
Rain likely. Cloudy, with a low around 43.
Saturday
Rain. Mostly cloudy, with a high near 51.
Saturday Night
Rain likely. Cloudy, with a low around 41.
Sunday
Rain. Mostly cloudy, with a high near 50.
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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:
8:03 am PST Nov 17, 2025
Forecast Valid:
9am PST Nov 17, 2025-6pm PST Nov 23, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation