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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

CHEHALIS (CLSW1)

Lat: 46.61°NLon: 122.90833°WElev: 262.0ft.

NA

62°F

17°C

Humidity 95%
Wind Speed SSE 0 MPH
Barometer NA
Dewpoint 61°F (16°C)
Visibility NA
Last update 23 Jul 04:09 AM PDT
Extended Forecast for

Napavine WA

Red Flag Warning July 23, 05:09am until July 23, 10:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning July 23, 05:09am until July 23, 10:00pm

    NOW until 10:00pm Thu

    Red Flag Warning

  • Overnight

    Low: 60 °F

    Slight Chance
    Rain and
    Patchy Fog

  • Thursday

    Thursday: A 20 percent chance of rain before 10am. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 80. Light and variable wind.

    High: 80 °F

    Slight Chance
    Rain and
    Patchy Fog
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 2am. Otherwise, increasing clouds, with a low around 54. Northwest wind around 5 mph becoming calm in the evening.

    Low: 54 °F

    Partly Cloudy
    then Patchy
    Fog

  • Friday

    Friday: Areas of fog before 8am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 83. Light northwest wind.

    High: 83 °F

    Areas Fog
    then Sunny

  • Friday Night

    Friday Night: Patchy fog after 3am. Otherwise, partly cloudy, with a low around 53. West northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 53 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 7am. Otherwise, partly sunny, with a high near 73.

    High: 73 °F

    Patchy Fog
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 8am. Otherwise, partly sunny, with a high near 75.

    High: 75 °F

    Patchy Fog
    then Partly
    Sunny

Detailed Forecast

Overnight
A 20 percent chance of rain. Patchy fog. Otherwise, mostly cloudy, with a low around 60. Calm wind.
Thursday
A 20 percent chance of rain before 10am. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 80. Light and variable wind.
Thursday Night
Patchy fog after 2am. Otherwise, increasing clouds, with a low around 54. Northwest wind around 5 mph becoming calm in the evening.
Friday
Areas of fog before 8am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 83. Light northwest wind.
Friday Night
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 53. West northwest wind 5 to 7 mph becoming calm in the evening.
Saturday
Patchy fog before 7am. Otherwise, partly sunny, with a high near 73.
Saturday Night
Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 54.
Sunday
Patchy fog before 8am. Otherwise, partly sunny, with a high near 75.
Sunday Night
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 52.
Monday
Areas of fog before 8am. Otherwise, partly sunny, with a high near 75.
Monday Night
Patchy fog. Otherwise, partly cloudy, with a low around 52.
Tuesday
Patchy fog. Otherwise, partly sunny, with a high near 76.
Tuesday Night
Patchy fog. Otherwise, mostly clear, with a low around 51.
Wednesday
Patchy fog. Otherwise, mostly sunny, with a high near 78.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Napavine WA
 46.56°N 122.92°W (Elev. 417 ft)
Last Update:
11:26 pm PDT Jul 22, 2026
Forecast Valid:
5am PDT Jul 23, 2026-6pm PDT Jul 29, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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