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

Early Spring Heat Wave in the Southwest U.S.; Critical Fire Weather in the Central Rockies and Plains

An unusual early Spring heat wave will continue much above-normal temperatures over the Southwest U.S. through early next week. Many locations are likely to set records for the highest-ever March temperature. Periods of critical fire weather will persist from the central Rockies to the central Plains through Saturday as gusty winds and low relative humidity continue. Read More >

Current conditions at

Chehalis-Centralia Airport (KCLS)

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

light drizzle

54°F

12°C

Humidity 100%
Wind Speed SSE 3 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 54°F (12°C)
Visibility 2.50 mi
Last update 19 Mar 01:55 PM PDT
Extended Forecast for

Chehalis WA

  • This Afternoon

    This Afternoon: Rain. High near 59. South wind around 8 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 59 °F

    Rain

  • Tonight

    Tonight: Rain. Low around 52. South wind around 6 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 52 °F

    Rain

  • Friday

    Friday: Rain, mainly before 3pm. High near 57. South wind around 8 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 57 °F

    Rain

  • Friday Night

    Friday Night: A 50 percent chance of rain. Cloudy, then gradually becoming partly cloudy, with a low around 37. West wind around 6 mph.

    Low: 37 °F

    Chance Rain

  • Saturday

    Saturday: A 20 percent chance of rain before 11am. Partly sunny, with a high near 52. West wind 3 to 6 mph.

    High: 52 °F

    Slight Chance
    Rain then
    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

  • Sunday

    Sunday: A slight chance of rain and snow before 11am, then a slight chance of rain. Partly sunny, with a high near 55. Chance of precipitation is 20%.

    High: 55 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance Rain

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 55.

    High: 55 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Rain. High near 59. South wind around 8 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain. Low around 52. South wind around 6 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Rain, mainly before 3pm. High near 57. South wind around 8 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
A 50 percent chance of rain. Cloudy, then gradually becoming partly cloudy, with a low around 37. West wind around 6 mph.
Saturday
A 20 percent chance of rain before 11am. Partly sunny, with a high near 52. West wind 3 to 6 mph.
Saturday Night
Mostly clear, with a low around 32.
Sunday
A slight chance of rain and snow before 11am, then a slight chance of rain. Partly sunny, with a high near 55. Chance of precipitation is 20%.
Sunday Night
Mostly cloudy, with a low around 35.
Monday
Mostly cloudy, with a high near 55.
Monday Night
A chance of rain after 11pm. Mostly cloudy, with a low around 41.
Tuesday
Rain. Cloudy, with a high near 54.
Tuesday Night
Rain. Mostly cloudy, with a low around 40.
Wednesday
Rain likely. Mostly cloudy, with a high near 51.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chehalis WA
 46.68°N 122.98°W (Elev. 180 ft)
Last Update:
1:05 pm PDT Mar 19, 2026
Forecast Valid:
2pm PDT Mar 19, 2026-6pm PDT Mar 25, 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