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

39°F

4°C

Humidity 100%
Wind Speed ESE 0 MPH
Barometer 29.78 in (1008.47 mb)
Dewpoint 39°F (4°C)
Visibility NA
Last update 01 Jan 01:15 PM PST
Extended Forecast for

Onalaska WA

  • New Year's Day

    New Year's Day: Rain. High near 42. Calm wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 42 °F

    Rain

  • Tonight

    Tonight: Rain. Low around 38. Calm wind. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 38 °F

    Rain

  • Friday

    Friday: Rain likely, mainly after 2pm. Mostly cloudy, with a high near 50. Light south wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 50 °F

    Rain Likely

  • Friday Night

    Friday Night: Rain likely. Cloudy, with a low around 44. Calm wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Rain Likely

  • Saturday

    Saturday: Rain. High near 51. Light southeast wind becoming south 5 to 9 mph in the morning. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 51 °F

    Rain

  • Saturday Night

    Saturday Night: Rain. Low around 42. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 42 °F

    Rain

  • Sunday

    Sunday: Rain. High near 47. Chance of precipitation is 90%.

    High: 47 °F

    Rain

  • Sunday Night

    Sunday Night: Rain. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Rain

  • Monday

    Monday: Rain likely, mainly before 10am. Mostly cloudy, with a high near 45.

    High: 45 °F

    Rain Likely

Detailed Forecast

New Year's Day
Rain. High near 42. Calm wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain. Low around 38. Calm wind. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain likely, mainly after 2pm. Mostly cloudy, with a high near 50. Light south wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Rain likely. Cloudy, with a low around 44. Calm wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain. High near 51. Light southeast wind becoming south 5 to 9 mph in the morning. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Rain. Low around 42. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Rain. High near 47. Chance of precipitation is 90%.
Sunday Night
Rain. Mostly cloudy, with a low around 39.
Monday
Rain likely, mainly before 10am. Mostly cloudy, with a high near 45.
Monday Night
A chance of rain. Mostly cloudy, with a low around 35.
Tuesday
Rain likely. Cloudy, with a high near 44.
Tuesday Night
Rain likely. Cloudy, with a low around 36.
Wednesday
Rain likely. Mostly cloudy, with a high near 43.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Onalaska WA
 46.58°N 122.74°W (Elev. 600 ft)
Last Update:
1:25 pm PST Jan 1, 2026
Forecast Valid:
1pm PST Jan 1, 2026-6pm PST Jan 7, 2026
 
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