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

51°F

11°C

Humidity 100%
Wind Speed E 0 MPH
Barometer 29.57 in (1001.36 mb)
Dewpoint 51°F (11°C)
Visibility NA
Last update 16 Nov 03:15 PM PST
Extended Forecast for

6 Miles ENE Onalaska WA

  • This Afternoon

    This Afternoon: Rain, mainly before 5pm. High near 52. Calm wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 52 °F

    Rain

  • Tonight

    Tonight: Rain. Low around 43. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 43 °F

    Rain

  • Monday

    Monday: Rain, mainly before 11am. High near 48. Calm wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 48 °F

    Rain then
    Chance Rain

  • Monday Night

    Monday Night: A 40 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 37. Calm wind.

    Low: 37 °F

    Chance Rain

  • Tuesday

    Tuesday: A 50 percent chance of rain. Mostly cloudy, with a high near 47. Calm wind.

    High: 47 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: Patchy fog before 4am, then patchy fog after 5am. Otherwise, mostly cloudy, with a low around 35.

    Low: 35 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 7am. Otherwise, partly sunny, with a high near 51.

    High: 51 °F

    Patchy Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Rain likely, mainly after 4am. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Rain Likely

  • Thursday

    Thursday: Rain likely, mainly before 10am. Partly sunny, with a high near 51.

    High: 51 °F

    Rain Likely

Detailed Forecast

This Afternoon
Rain, mainly before 5pm. High near 52. Calm wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain. Low around 43. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Rain, mainly before 11am. High near 48. Calm wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
A 40 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 37. Calm wind.
Tuesday
A 50 percent chance of rain. Mostly cloudy, with a high near 47. Calm wind.
Tuesday Night
Patchy fog before 4am, then patchy fog after 5am. Otherwise, mostly cloudy, with a low around 35.
Wednesday
Patchy fog before 7am. Otherwise, partly sunny, with a high near 51.
Wednesday Night
Rain likely, mainly after 4am. Mostly cloudy, with a low around 41.
Thursday
Rain likely, mainly before 10am. Partly sunny, with a high near 51.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 41.
Friday
Rain. Mostly cloudy, with a high near 50.
Friday Night
Rain. Mostly cloudy, with a low around 43.
Saturday
Rain. Mostly cloudy, with a high near 49.
Saturday Night
Rain likely. Mostly cloudy, with a low around 39.
Sunday
Rain likely. Mostly cloudy, with a high near 46.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ENE Onalaska WA
 46.6°N 122.62°W (Elev. 997 ft)
Last Update:
1:25 pm PST Nov 16, 2025
Forecast Valid:
3pm PST Nov 16, 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