Severe Thunderstorms and Heavy Rainfall Across the South; Heat Spreads Across the West and Southern Plains

A couple of frontal boundaries will move east and south from the Plains to the Gulf and Atlantic coastlines. These boundaries will focus showers and thunderstorms through the weekend, with scattered severe thunderstorms from the Southern Plains and across the Gulf Coast states. Locally heavy rainfall may also occur, which may be welcome news across drought areas. Meanwhile, heat spreads westward. Read More >

Current conditions at

Chehalis-Centralia Airport (KCLS)

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

Clear

52°F

11°C

Humidity 100%
Wind Speed SW 4 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 10 May 01:55 AM PDT
Extended Forecast for

Chehalis WA

  • Overnight

    Overnight: Mostly cloudy, with a low around 48. Calm wind.

    Low: 48 °F

    Mostly Cloudy

  • Sunday

    Sunday: Cloudy, then gradually becoming mostly sunny, with a high near 65. Calm wind becoming west 5 to 9 mph in the morning.

    High: 65 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 47. West northwest wind 5 to 8 mph becoming calm  in the evening.

    Low: 47 °F

    Increasing
    Clouds

  • Monday

    Monday: Cloudy through mid morning, then gradual clearing, with a high near 74. Calm wind becoming north northeast 5 to 9 mph in the afternoon.

    High: 74 °F

    Gradual
    Clearing

  • Monday Night

    Monday Night: Mostly clear, with a low around 49. North wind 5 to 8 mph.

    Low: 49 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain after 11pm.  Mostly cloudy, with a low around 51.

    Low: 51 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: A chance of rain before 11am.  Partly sunny, with a high near 72.

    High: 72 °F

    Chance Rain
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 48. Calm wind.
Sunday
Cloudy, then gradually becoming mostly sunny, with a high near 65. Calm wind becoming west 5 to 9 mph in the morning.
Sunday Night
Increasing clouds, with a low around 47. West northwest wind 5 to 8 mph becoming calm in the evening.
Monday
Cloudy through mid morning, then gradual clearing, with a high near 74. Calm wind becoming north northeast 5 to 9 mph in the afternoon.
Monday Night
Mostly clear, with a low around 49. North wind 5 to 8 mph.
Tuesday
Mostly sunny, with a high near 84.
Tuesday Night
A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 51.
Wednesday
A chance of rain before 11am. Partly sunny, with a high near 72.
Wednesday Night
Partly cloudy, with a low around 47.
Thursday
A chance of rain. Partly sunny, with a high near 69.
Thursday Night
Mostly cloudy, with a low around 45.
Friday
A slight chance of rain. Partly sunny, with a high near 66.
Friday Night
Mostly cloudy, with a low around 43.
Saturday
A chance of rain. Partly sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
Chehalis WA
 46.68°N 122.98°W (Elev. 180 ft)
11:26 pm PDT May 9, 2026
2am PDT May 10, 2026-6pm PDT May 16, 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