Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Current conditions at

Chehalis-Centralia Airport (KCLS)

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

Clear

73°F

23°C

Humidity 73%
Wind Speed NNW 5 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 21 Aug 07:15 PM PDT
Extended Forecast for

Chehalis WA

  • Tonight

    Tonight: Mostly cloudy, with a low around 58. West northwest wind 5 to 7 mph becoming calm  after midnight.

    Low: 58 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 75. Calm wind becoming south southwest 5 to 7 mph in the morning.

    High: 75 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Cloudy, with a low around 59. West wind around 6 mph becoming calm  in the evening.

    Low: 59 °F

    Cloudy

  • Sunday

    Sunday: Cloudy, then gradually becoming mostly sunny, with a high near 76. Calm wind.

    High: 76 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 56. Calm wind becoming north northwest around 5 mph after midnight.

    Low: 56 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 58. West northwest wind 5 to 7 mph becoming calm after midnight.
Saturday
Mostly cloudy, with a high near 75. Calm wind becoming south southwest 5 to 7 mph in the morning.
Saturday Night
Cloudy, with a low around 59. West wind around 6 mph becoming calm in the evening.
Sunday
Cloudy, then gradually becoming mostly sunny, with a high near 76. Calm wind.
Sunday Night
Mostly clear, with a low around 56. Calm wind becoming north northwest around 5 mph after midnight.
Monday
Sunny, with a high near 84.
Monday Night
Mostly clear, with a low around 56.
Tuesday
Mostly sunny, with a high near 83.
Tuesday Night
Partly cloudy, with a low around 55.
Wednesday
Partly sunny, with a high near 76.
Wednesday Night
Partly cloudy, with a low around 52.
Thursday
Partly sunny, with a high near 75.
Thursday Night
Partly cloudy, with a low around 51.
Friday
Partly sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
Chehalis WA
 46.68°N 122.98°W (Elev. 180 ft)
1:55 pm PDT Aug 21, 2026
7pm PDT Aug 21, 2026-6pm PDT Aug 28, 2026
 
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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