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

Extreme Fire Weather Concerns; Severe Thunderstorms from the Plains to Mississippi Valley

Extremely critical fire weather concerns for portions of the southern High Plans as strong wind and very dry conditions could result in rapid spread of any fires. Meanwhile, severe thunderstorms are expected once again across areas of the Central and Southern Plains, then spreading in the Mississippi Valley regions on Monday. Damaging winds, very large hail and strong tornadoes are possible. Read More >

Current conditions at

Chehalis-Centralia Airport (KCLS)

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

Partly Cloudy

59°F

15°C

Humidity 47%
Wind Speed WSW 6 MPH
Barometer 29.85 in (1010.84 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 26 Apr 07:35 PM PDT
Extended Forecast for

Chehalis WA

  • Tonight

    Tonight: Partly cloudy, with a low around 42. West wind around 6 mph becoming calm in the evening.

    Low: 42 °F

    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of rain after 10am. Partly sunny, with a high near 59. Light and variable wind becoming southwest 5 to 8 mph in the morning.

    High: 59 °F

    Slight Chance
    Rain

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 44. West southwest wind 5 to 8 mph becoming calm in the evening.

    Low: 44 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 60. Calm wind becoming west around 6 mph in the afternoon.

    High: 60 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 40. West northwest wind around 6 mph becoming calm in the evening.

    Low: 40 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 42. West wind around 6 mph becoming calm in the evening.
Monday
A 20 percent chance of rain after 10am. Partly sunny, with a high near 59. Light and variable wind becoming southwest 5 to 8 mph in the morning.
Monday Night
Mostly cloudy, with a low around 44. West southwest wind 5 to 8 mph becoming calm in the evening.
Tuesday
Mostly cloudy, with a high near 60. Calm wind becoming west around 6 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 40. West northwest wind around 6 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 70.
Wednesday Night
Mostly clear, with a low around 43.
Thursday
Mostly sunny, with a high near 74.
Thursday Night
Partly cloudy, with a low around 45.
Friday
Partly sunny, with a high near 68.
Friday Night
Partly cloudy, with a low around 43.
Saturday
Partly sunny, with a high near 70.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
Sunny, with a high near 77.
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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:
11:26 am PDT Apr 26, 2026
Forecast Valid:
7pm PDT Apr 26, 2026-6pm PDT May 3, 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