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

57°F

14°C

Humidity 72%
Wind Speed NNE 0 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 48°F (9°C)
Visibility NA
Last update 16 Oct 02:45 PM PDT
Extended Forecast for

6 Miles SE Onalaska WA

  • Tonight

    Tonight: A 30 percent chance of rain after 3am. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 45. Calm wind.

    Low: 45 °F

    Patchy Fog
    then Chance
    Rain and
    Patchy Fog

  • Friday

    Friday: A 50 percent chance of rain before 9am. Cloudy through mid morning, then gradual clearing, with a high near 61. Light and variable wind.

    High: 61 °F

    Chance Rain
    then Sunny

  • Friday Night

    Friday Night: Patchy fog between 11pm and 2am. Otherwise, partly cloudy, with a low around 37. Calm wind.

    Low: 37 °F

    Patchy Fog

  • Saturday

    Saturday: A 40 percent chance of rain after 11am. Mostly cloudy, with a high near 59. Calm wind.

    High: 59 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Rain. Low around 44. Calm wind becoming south 5 to 7 mph in the evening. Winds could gust as high as 24 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 44 °F

    Rain

  • Sunday

    Sunday: Rain. High near 56. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 56 °F

    Rain

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 11pm, then a chance of rain after 11pm. Mostly cloudy, with a low around 42. Chance of precipitation is 70%.

    Low: 42 °F

    Showers
    Likely then
    Chance Rain

  • Monday

    Monday: A slight chance of rain before 11am. Partly sunny, with a high near 59.

    High: 59 °F

    Slight Chance
    Rain then
    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 30 percent chance of rain after 3am. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 45. Calm wind.
Friday
A 50 percent chance of rain before 9am. Cloudy through mid morning, then gradual clearing, with a high near 61. Light and variable wind.
Friday Night
Patchy fog between 11pm and 2am. Otherwise, partly cloudy, with a low around 37. Calm wind.
Saturday
A 40 percent chance of rain after 11am. Mostly cloudy, with a high near 59. Calm wind.
Saturday Night
Rain. Low around 44. Calm wind becoming south 5 to 7 mph in the evening. Winds could gust as high as 24 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday
Rain. High near 56. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Showers likely and possibly a thunderstorm before 11pm, then a chance of rain after 11pm. Mostly cloudy, with a low around 42. Chance of precipitation is 70%.
Monday
A slight chance of rain before 11am. Partly sunny, with a high near 59.
Monday Night
Mostly cloudy, with a low around 39.
Tuesday
A chance of rain. Mostly cloudy, with a high near 58.
Tuesday Night
A slight chance of rain. Mostly cloudy, with a low around 39.
Wednesday
A slight chance of rain. Partly sunny, with a high near 61.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 42.
Thursday
A chance of rain. Mostly cloudy, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SE Onalaska WA
 46.51°N 122.62°W (Elev. 400 ft)
Last Update:
2:25 pm PDT Oct 16, 2025
Forecast Valid:
3pm PDT Oct 16, 2025-6pm PDT Oct 23, 2025
 
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