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.

Overcast

66°F

19°C

Humidity 77%
Wind Speed N 4 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 22 Aug 08:55 PM PDT
Extended Forecast for

Rochester WA

  • Tonight

    Tonight: A slight chance of rain between 2am and 4am.  Mostly cloudy, with a low around 59. Calm wind.  Chance of precipitation is 20%.

    Low: 59 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Sunday

    Sunday: Partly sunny, with a high near 75. Calm wind becoming west around 5 mph.

    High: 75 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 55. Light and variable wind.

    Low: 55 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 83. Light north northeast wind becoming northeast 5 to 9 mph in the morning.

    High: 83 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 57. North northeast wind around 6 mph becoming calm  in the evening.

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 74.

    High: 74 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of rain between 2am and 4am. Mostly cloudy, with a low around 59. Calm wind. Chance of precipitation is 20%.
Sunday
Partly sunny, with a high near 75. Calm wind becoming west around 5 mph.
Sunday Night
Mostly clear, with a low around 55. Light and variable wind.
Monday
Sunny, with a high near 83. Light north northeast wind becoming northeast 5 to 9 mph in the morning.
Monday Night
Mostly clear, with a low around 57. North northeast wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 85.
Tuesday Night
Partly cloudy, with a low around 57.
Wednesday
Partly sunny, with a high near 74.
Wednesday Night
Partly cloudy, with a low around 54.
Thursday
A slight chance of rain. Partly sunny, with a high near 73.
Thursday Night
Partly cloudy, with a low around 50.
Friday
Partly sunny, with a high near 74.
Friday Night
Partly cloudy, with a low around 51.
Saturday
Partly sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
Rochester WA
 46.83°N 123.13°W (Elev. 98 ft)
11:26 am PDT Aug 22, 2026
9pm PDT Aug 22, 2026-6pm PDT Aug 29, 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