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Current conditions at
CHEHALIS (CLSW1)
Lat: 46.61°NLon: 122.90833°WElev: 262.0ft.NA
47°F
8°C
| Humidity | 100% |
| Wind Speed | S 0 MPH |
| Barometer | NA |
| Dewpoint | 47°F (8°C) |
| Visibility | NA |
| Last update | 04 Jan 06:09 AM PST |
Extended Forecast for
5 Miles SSW Onalaska WA
Today
High: 48 °F
Showers
Likely and
Patchy Fog
then ShowersTonight
Low: 36 °F
Rain then
Chance RainMonday
High: 44 °F
Chance Rain
Monday Night
Low: 32 °F
Slight Chance
Rain then
RainTuesday
High: 42 °F
Rain
Tuesday Night
Low: 33 °F
Rain then
Rain LikelyWednesday
High: 41 °F
Showers
Wednesday Night
Low: 33 °F
Showers
Thursday
High: 42 °F
Rain
Detailed Forecast
Today
Showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a chance of rain and thunderstorms after 4pm. Patchy fog before 10am. High near 48. South wind 8 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Rain, mainly before 11pm. Low around 36. Light south southwest wind. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Monday
A 40 percent chance of rain, mainly before 10am. Partly sunny, with a high near 44. Calm wind.
Monday Night
Rain, mainly after 4am. Low around 32. Calm wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain. High near 42. South wind 6 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday Night
Rain. Low around 33. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Rain, mainly before 4pm, then showers and possibly a thunderstorm after 4pm. High near 41. Chance of precipitation is 90%.
Wednesday Night
Showers and possibly a thunderstorm before 10pm, then rain after 10pm. Cloudy, with a low around 33.
Thursday
Rain. Mostly cloudy, with a high near 42.
Thursday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 35.
Friday
A chance of rain. Partly sunny, with a high near 46.
Friday Night
Mostly cloudy, with a low around 32.
Saturday
A slight chance of rain. Mostly cloudy, with a high near 47.
Additional Forecasts and Information
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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)
7:00 am PST Jan 4, 2026
7am PST Jan 4, 2026-6pm PST Jan 10, 2026
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