National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

CHEHALIS (CLSW1)

Lat: 46.61°NLon: 122.90833°WElev: 262.0ft.

NA

49°F

9°C

Humidity 100%
Wind Speed S 0 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Last update 06 Dec 06:09 PM PST
Extended Forecast for

5 Miles ESE Napavine WA

Flood Watch December 8, 04:00am until December 12, 04:00pm
Click here for hazard details and duration
Flood Watch

  • Tonight

    Tonight: Rain, mainly after 11pm. Steady temperature around 47. South southeast wind 3 to 6 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 47 °F

    Rain Likely
    then Rain

  • Sunday

    Sunday: Rain. High near 52. South southwest wind 7 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 52 °F

    Rain

  • Sunday Night

    Sunday Night: Rain. Steady temperature around 49. South wind around 5 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 49 °F

    Rain

  • Monday

    Monday: Rain. The rain could be heavy at times. High near 55. South southwest wind 7 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    High: 55 °F

    Heavy Rain

  • Monday Night

    Monday Night: Rain. The rain could be heavy at times. Low around 43. West southwest wind 6 to 13 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    Low: 43 °F

    Heavy Rain

  • Tuesday

    Tuesday: Rain. High near 50. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 50 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain. Low around 43. Chance of precipitation is 100%.

    Low: 43 °F

    Rain

  • Wednesday

    Wednesday: Rain. Cloudy, with a high near 52.

    High: 52 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain. Cloudy, with a low around 42.

    Low: 42 °F

    Rain

Detailed Forecast

Tonight
Rain, mainly after 11pm. Steady temperature around 47. South southeast wind 3 to 6 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Rain. High near 52. South southwest wind 7 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain. Steady temperature around 49. South wind around 5 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Rain. The rain could be heavy at times. High near 55. South southwest wind 7 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Monday Night
Rain. The rain could be heavy at times. Low around 43. West southwest wind 6 to 13 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Tuesday
Rain. High near 50. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
Rain. Low around 43. Chance of precipitation is 100%.
Wednesday
Rain. Cloudy, with a high near 52.
Wednesday Night
Rain. Cloudy, with a low around 42.
Thursday
Rain likely. Cloudy, with a high near 51.
Thursday Night
Rain likely. Cloudy, with a low around 44.
Friday
A chance of rain. Mostly cloudy, with a high near 54.
Friday Night
A chance of rain. Mostly cloudy, with a low around 44.
Saturday
A chance of rain. Mostly cloudy, with a high near 52.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ESE Napavine WA
 46.55°N 122.82°W (Elev. 440 ft)
Last Update:
1:25 pm PST Dec 6, 2025
Forecast Valid:
6pm PST Dec 6, 2025-6pm PST Dec 13, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation