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Extreme Heat and Tropical Storm Bertha Impacts

Dangerous heat will expand from the Gulf Coast into the Southern Plains and Desert Southwest through week's end. Additional extreme heat impacting the Pacific Northwest will shift to the northern Plains by the weekend. Tropical Storm Bertha is expected to continue to impact portions of the northwestern Gulf Coast from south central Louisiana to the upper Texas coast today. Read More >

Hazardous Weather Conditions

Current conditions at

DW8787 CHEHALIS (D8787)

Lat: 46.64646°NLon: 122.8388°WElev: 550.0ft.

NA

59°F

15°C

Humidity 98%
Wind Speed NNE 0 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 58°F (14°C)
Visibility NA
Last update 23 Jul 08:31 AM PDT
Extended Forecast for

3 Miles ESE Mossyrock WA

Red Flag Warning July 23, 08:48am until July 23, 10:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning July 23, 08:48am until July 23, 10:00pm

    NOW until 10:00pm Thu

    Red Flag Warning

  • Today

    High: 80 °F

    Slight Chance
    Rain then
    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 56. Calm wind.

    Low: 56 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 84. Light and variable wind.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Patchy fog after 4am. Otherwise, mostly clear, with a low around 54. Light and variable wind.

    Low: 54 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: Mostly sunny, with a high near 74. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 74 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of rain before 11pm. Patchy fog between 3am and 4am. Otherwise, mostly cloudy, with a low around 55.

    Low: 55 °F

    Slight Chance
    Rain then
    Patchy Fog

  • Sunday

    Sunday: A 20 percent chance of rain after 11am. Patchy fog before 8am. Otherwise, partly sunny, with a high near 76.

    High: 76 °F

    Slight Chance
    Rain and
    Patchy Fog

  • Sunday Night

    Sunday Night: Patchy fog after 3am. Otherwise, partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy
    then Patchy
    Fog

Detailed Forecast

Today
A 20 percent chance of rain before 9am. Partly sunny, with a high near 80. Calm wind.
Tonight
Partly cloudy, with a low around 56. Calm wind.
Friday
Sunny, with a high near 84. Light and variable wind.
Friday Night
Patchy fog after 4am. Otherwise, mostly clear, with a low around 54. Light and variable wind.
Saturday
Mostly sunny, with a high near 74. Calm wind becoming southwest around 6 mph in the afternoon.
Saturday Night
A 20 percent chance of rain before 11pm. Patchy fog between 3am and 4am. Otherwise, mostly cloudy, with a low around 55.
Sunday
A 20 percent chance of rain after 11am. Patchy fog before 8am. Otherwise, partly sunny, with a high near 76.
Sunday Night
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 53.
Monday
Patchy fog before 7am. Otherwise, partly sunny, with a high near 74.
Monday Night
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 53.
Tuesday
Patchy fog. Otherwise, mostly sunny, with a high near 75.
Tuesday Night
Mostly clear, with a low around 52.
Wednesday
Mostly sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Mossyrock WA
 46.52°N 122.43°W (Elev. 830 ft)
Last Update:
11:26 pm PDT Jul 22, 2026
Forecast Valid:
8am PDT Jul 23, 2026-6pm PDT Jul 29, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation