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

Inclement Weather in the Pacific Northwest; Severe Thunderstorms in the Southeast; Impending Winter Storm

An approaching storm will bring rain and high elevation snow to Pacific Northwest through the weekend. Isolated severe thunderstorms are possible across parts of the Southeast today into this evening as a low strengthens over the Southeast. This system will form into a winter storm on Sunday that will bring heavy snow, high winds, and coastal flooding to the Mid-Atlantic and Northeast into Monday. Read More >

Current conditions at

Chehalis-Centralia Airport (KCLS)

Lat: 46.677°NLon: 122.9827°WElev: 177.0ft.

Rain

45°F

7°C

Humidity 100%
Wind Speed SE 5 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 45°F (7°C)
Visibility 9.00 mi
Wind Chill42°F (6°C)
Last update 21 Feb 01:35 PM PST
Extended Forecast for

Chehalis WA

  • This Afternoon

    This Afternoon: Rain likely, mainly after 4pm. Cloudy, with a high near 45. Southeast wind around 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 45 °F

    Rain Likely

  • Tonight

    Tonight: Rain. Low around 40. Southeast wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 40 °F

    Chance Rain
    then Rain

  • Sunday

    Sunday: Rain. High near 51. South southeast wind 10 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 51 °F

    Rain

  • Sunday Night

    Sunday Night: Rain. Low around 42. South wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 42 °F

    Rain

  • Monday

    Monday: Rain. High near 48. South wind around 6 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 48 °F

    Rain

  • Monday Night

    Monday Night: Rain. Low around 39. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 39 °F

    Rain

  • Tuesday

    Tuesday: Rain likely. Mostly cloudy, with a high near 49. Chance of precipitation is 70%.

    High: 49 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before 10pm. Mostly cloudy, with a low around 35.

    Low: 35 °F

    Rain Likely

  • Wednesday

    Wednesday: Rain likely, mainly after 10am. Mostly cloudy, with a high near 49.

    High: 49 °F

    Rain Likely

Detailed Forecast

This Afternoon
Rain likely, mainly after 4pm. Cloudy, with a high near 45. Southeast wind around 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain. Low around 40. Southeast wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Rain. High near 51. South southeast wind 10 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain. Low around 42. South wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Rain. High near 48. South wind around 6 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Monday Night
Rain. Low around 39. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
Rain likely. Mostly cloudy, with a high near 49. Chance of precipitation is 70%.
Tuesday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 35.
Wednesday
Rain likely, mainly after 10am. Mostly cloudy, with a high near 49.
Wednesday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 36.
Thursday
Rain likely. Mostly cloudy, with a high near 50.
Thursday Night
Rain likely. Mostly cloudy, with a low around 36.
Friday
A chance of rain. Mostly cloudy, with a high near 49.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chehalis WA
 46.68°N 122.98°W (Elev. 180 ft)
Last Update:
1:26 pm PST Feb 21, 2026
Forecast Valid:
1pm PST Feb 21, 2026-6pm PST Feb 27, 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