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

36°F

2°C

Humidity 100%
Wind Speed E 0 MPH
Barometer 30.23 in (1023.71 mb)
Dewpoint 36°F (2°C)
Visibility NA
Last update 08 Nov 02:30 AM PST
Extended Forecast for

Onalaska WA

  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 40. Calm wind.

    Low: 40 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 59. Calm wind.

    High: 59 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 42. East southeast wind 3 to 5 mph.

    Low: 42 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 62. Calm wind.

    High: 62 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of rain after 10pm. Mostly cloudy, with a low around 46. Calm wind.

    Low: 46 °F

    Slight Chance
    Rain

  • Monday

    Monday: Rain likely, mainly before 4pm. Mostly cloudy, with a high near 57. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 57 °F

    Rain Likely

  • Monday Night

    Monday Night: A 30 percent chance of rain before 10pm. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 39.

    Low: 39 °F

    Chance Rain
    then Patchy
    Fog

  • Veterans Day

    Veterans Day: Patchy fog before 11am. Otherwise, partly sunny, with a high near 53.

    High: 53 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog before 10pm. Otherwise, mostly cloudy, with a low around 39.

    Low: 39 °F

    Patchy Fog
    then Mostly
    Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 40. Calm wind.
Saturday
Mostly sunny, with a high near 59. Calm wind.
Saturday Night
Mostly cloudy, with a low around 42. East southeast wind 3 to 5 mph.
Sunday
Partly sunny, with a high near 62. Calm wind.
Sunday Night
A 20 percent chance of rain after 10pm. Mostly cloudy, with a low around 46. Calm wind.
Monday
Rain likely, mainly before 4pm. Mostly cloudy, with a high near 57. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
A 30 percent chance of rain before 10pm. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 39.
Veterans Day
Patchy fog before 11am. Otherwise, partly sunny, with a high near 53.
Tuesday Night
Patchy fog before 10pm. Otherwise, mostly cloudy, with a low around 39.
Wednesday
A slight chance of rain after 10am. Mostly cloudy, with a high near 57.
Wednesday Night
Rain likely. Cloudy, with a low around 43.
Thursday
Rain. Cloudy, with a high near 53.
Thursday Night
Rain. Mostly cloudy, with a low around 43.
Friday
Rain likely. Mostly cloudy, with a high near 52.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Onalaska WA
 46.58°N 122.74°W (Elev. 600 ft)
Last Update:
1:25 am PST Nov 8, 2025
Forecast Valid:
2am PST Nov 8, 2025-6pm PST Nov 14, 2025
 
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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