Current conditions at
CHEHALIS (CLSW1)
Lat: 46.61°NLon: 122.90833°WElev: 262.0ft.NA
50°F
10°C
| Humidity | 84% |
| Wind Speed | N 3 MPH |
| Barometer | NA |
| Dewpoint | 45°F (7°C) |
| Visibility | NA |
| Last update | 28 Nov 11:09 AM PST |
Extended Forecast for
5 Miles SSW Onalaska WA
Today

High: 54 °F
Patchy Fog
Tonight
Low: 34 °F
Patchy Dense
Fog then
Mostly CloudySaturday
High: 48 °F
Mostly Cloudy
then Slight
Chance RainSaturday Night
Low: 31 °F
Slight Chance
Rain then
Mostly CloudySunday

High: 48 °F
Partly Sunny
Sunday Night

Low: 33 °F
Mostly Cloudy
Monday

High: 47 °F
Chance Rain
Monday Night

Low: 38 °F
Rain Likely
Tuesday

High: 48 °F
Chance Rain
Detailed Forecast
Today
Patchy fog after 5pm. Otherwise, partly sunny, with a high near 54. Light and variable wind.
Tonight
Patchy dense fog before 10pm. Otherwise, mostly cloudy, with a low around 34. Calm wind.
Saturday
A 10 percent chance of rain after 4pm. Mostly cloudy, with a high near 48. Calm wind.
Saturday Night
A 20 percent chance of rain before 10pm. Mostly cloudy, with a low around 31. Calm wind.
Sunday
Partly sunny, with a high near 48. Calm wind.
Sunday Night
Mostly cloudy, with a low around 33.
Monday
A 30 percent chance of rain after 10am. Mostly cloudy, with a high near 47.
Monday Night
Rain likely. Mostly cloudy, with a low around 38.
Tuesday
A chance of rain. Mostly cloudy, with a high near 48.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
Mostly cloudy, with a high near 47.
Wednesday Night
A slight chance of rain. Mostly cloudy, with a low around 36.
Thursday
A chance of rain. Mostly cloudy, with a high near 49.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
5 Miles SSW Onalaska WA
46.5°N 122.74°W (Elev. 305 ft)
46.5°N 122.74°W (Elev. 305 ft)
9:23 am PST Nov 28, 2025
11am PST Nov 28, 2025-6pm PST Dec 4, 2025


