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

Early Heat Wave in the West; Fire Concerns in the Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Elevated to critical fire weather conditions are expected today across the High Plains and southern Plains. Lake effect snow downwind of the Great Lakes will taper off today. Read More >

Current conditions at

Chehalis-Centralia Airport (KCLS)

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

Rain

52°F

11°C

Humidity 100%
Wind Speed S 4 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 52°F (11°C)
Visibility 4.00 mi
Last update 17 Mar 11:15 AM PDT
Extended Forecast for

Chehalis WA

  • Today

    Today: Rain. High near 53. South wind 7 to 9 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 53 °F

    Rain

  • Tonight

    Tonight: Rain. Low around 48. South southeast wind 5 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 48 °F

    Rain

  • Wednesday

    Wednesday: Rain. High near 58. South wind 7 to 9 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 58 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain likely. Cloudy, with a low around 49. South wind around 7 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 49 °F

    Rain Likely

  • Thursday

    Thursday: Rain. High near 59. South wind 8 to 10 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 59 °F

    Rain

  • Thursday Night

    Thursday Night: Rain. Low around 50. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 50 °F

    Rain

  • Friday

    Friday: Rain. High near 57. Chance of precipitation is 80%.

    High: 57 °F

    Rain

  • Friday Night

    Friday Night: A chance of rain. Mostly cloudy, with a low around 37.

    Low: 37 °F

    Chance Rain

  • Saturday

    Saturday: A chance of rain and snow before 11am, then a slight chance of rain. Partly sunny, with a high near 52.

    High: 52 °F

    Chance
    Rain/Snow
    then Slight
    Chance Rain

Detailed Forecast

Today
Rain. High near 53. South wind 7 to 9 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain. Low around 48. South southeast wind 5 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Rain. High near 58. South wind 7 to 9 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Rain likely. Cloudy, with a low around 49. South wind around 7 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain. High near 59. South wind 8 to 10 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain. Low around 50. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain. High near 57. Chance of precipitation is 80%.
Friday Night
A chance of rain. Mostly cloudy, with a low around 37.
Saturday
A chance of rain and snow before 11am, then a slight chance of rain. Partly sunny, with a high near 52.
Saturday Night
A slight chance of rain. Partly cloudy, with a low around 33.
Sunday
A chance of rain. Partly sunny, with a high near 53.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 33.
Monday
A chance of rain and snow. Mostly cloudy, with a high near 52.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chehalis WA
 46.66°N 122.95°W (Elev. 420 ft)
Last Update:
8:00 am PDT Mar 17, 2026
Forecast Valid:
11am PDT Mar 17, 2026-6pm PDT Mar 23, 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