Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

Current conditions at

Chehalis-Centralia Airport (KCLS)

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

Partly Cloudy

72°F

22°C

Humidity 53%
Wind Speed SSW 8 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 54°F (12°C)
Visibility 9.00 mi
Last update 27 Aug 04:15 PM PDT
Extended Forecast for

5 Miles SE Rochester WA

  • Tonight

    Tonight: Patchy fog between 1am and 2am.  Otherwise, increasing clouds, with a low around 53. West wind 5 to 7 mph becoming calm  in the evening.

    Low: 53 °F

    Partly Cloudy
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 8am.  Otherwise, partly sunny, with a high near 72. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 72 °F

    Patchy Fog
    then Partly
    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of rain after 4am.  Mostly cloudy, with a low around 51. Southwest wind 6 to 8 mph.

    Low: 51 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Saturday

    Saturday: A 30 percent chance of rain, mainly after 11am.  Cloudy, then gradually becoming mostly sunny, with a high near 70. West wind 5 to 8 mph.

    High: 70 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 49. West wind 5 to 9 mph becoming light southwest  in the evening.

    Low: 49 °F

    Partly Cloudy

  • Sunday

    Sunday: Patchy fog between 8am and 9am.  Otherwise, partly sunny, with a high near 71.

    High: 71 °F

    Patchy Fog
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 74.

    High: 74 °F

    Partly Sunny

  • Monday Night

    Monday Night: A slight chance of rain before 11pm.  Mostly cloudy, with a low around 52.

    Low: 52 °F

    Slight Chance
    Rain then
    Mostly Cloudy

Detailed Forecast

Tonight
Patchy fog between 1am and 2am. Otherwise, increasing clouds, with a low around 53. West wind 5 to 7 mph becoming calm in the evening.
Friday
Patchy fog before 8am. Otherwise, partly sunny, with a high near 72. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Friday Night
A 20 percent chance of rain after 4am. Mostly cloudy, with a low around 51. Southwest wind 6 to 8 mph.
Saturday
A 30 percent chance of rain, mainly after 11am. Cloudy, then gradually becoming mostly sunny, with a high near 70. West wind 5 to 8 mph.
Saturday Night
Partly cloudy, with a low around 49. West wind 5 to 9 mph becoming light southwest in the evening.
Sunday
Patchy fog between 8am and 9am. Otherwise, partly sunny, with a high near 71.
Sunday Night
Partly cloudy, with a low around 49.
Monday
Partly sunny, with a high near 74.
Monday Night
A slight chance of rain before 11pm. Mostly cloudy, with a low around 52.
Tuesday
A chance of rain. Mostly cloudy, with a high near 71.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 51.
Wednesday
Rain likely. Mostly cloudy, with a high near 66.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 51.
Thursday
A chance of rain. Partly sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SE Rochester WA
 46.78°N 123.05°W (Elev. 200 ft)
12:56 pm PDT Aug 27, 2026
4pm PDT Aug 27, 2026-6pm PDT Sep 3, 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