Severe Thunderstorms and Flooding from the Southern Plains to the Great Lakes; Record Heat in the East

Widely scattered severe thunderstorms may produce damaging winds, hail, and flash flooding from the southern Plains into the lower Great Lakes. Elevated to locally critical fire weather conditions will persist across portions of the Southwest and Southern High Plains due to gusty winds and dry conditions. An early-season heatwave will challenge temperature records across the eastern U.S.. Read More >

Current conditions at

Chehalis-Centralia Airport (KCLS)

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

Mostly Cloudy

55°F

13°C

Humidity 93%
Wind Speed NNW 5 MPH
Barometer 30.23 in (1023.71 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 19 May 08:35 PM PDT
Extended Forecast for

9 Miles SW Chehalis WA

  • Tonight

    Tonight: Patchy fog after 5am.  Otherwise, mostly cloudy, with a low around 46. West northwest wind 5 to 7 mph becoming calm  in the evening. Winds could gust as high as 20 mph.

    Low: 46 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: Partly sunny, with a high near 71. Calm wind becoming north around 5 mph in the afternoon.

    High: 71 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 5am.  Otherwise, mostly cloudy, with a low around 45. North northwest wind around 5 mph becoming calm  in the evening.

    Low: 45 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: Sunny, with a high near 80. Calm wind becoming north around 5 mph in the afternoon.

    High: 80 °F

    Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 5am.  Otherwise, mostly clear, with a low around 48. Northwest wind around 6 mph becoming calm  in the evening.

    Low: 48 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 78.

    High: 78 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 75.

    High: 75 °F

    Partly Sunny

  • Saturday Night

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

    Low: 45 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 46. West northwest wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 20 mph.
Wednesday
Partly sunny, with a high near 71. Calm wind becoming north around 5 mph in the afternoon.
Wednesday Night
Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 45. North northwest wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 80. Calm wind becoming north around 5 mph in the afternoon.
Thursday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 48. Northwest wind around 6 mph becoming calm in the evening.
Friday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 78.
Friday Night
Mostly clear, with a low around 48.
Saturday
Partly sunny, with a high near 75.
Saturday Night
Partly cloudy, with a low around 45.
Sunday
Partly sunny, with a high near 71.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 46.
Memorial Day
A chance of rain. Partly sunny, with a high near 61.
Monday Night
A slight chance of rain. Partly cloudy, with a low around 42.
Tuesday
Mostly sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles SW Chehalis WA
 46.59°N 123.12°W (Elev. 367 ft)
11:27 am PDT May 19, 2026
8pm PDT May 19, 2026-6pm PDT May 26, 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