Severe Weather Threats Across the Plains; Dangerous Heat and Wildfire Concerns for the West; Watching the Tropics

Severe thunderstorms are expected across the Central Plains accompanied by damaging wind gusts and large hail. In addition, heavy rainfall may lead to instances of flash flooding from the Plains and mid-Atlantic regions. The heavy rainfall threat continues across Florida and across the northern Gulf as we monitor a tropical disturbance tracking westward. Critical fire weather for the Great Basin. Read More >

Current conditions at

CHEHALIS (CLSW1)

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

NA

88°F

31°C

Humidity 31%
Wind Speed NNW 5 MPH
Barometer NA
Dewpoint 54°F (12°C)
Visibility NA
Heat Index86°F (30°C)
Last update 15 Jul 03:09 PM PDT
Extended Forecast for

6 Miles SE Napavine WA

Heat Advisory until July 16, 10:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until July 16, 10:00pm

    NOW until 10:00pm Wed

    Heat Advisory

  • This Afternoon

    High: 88 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 58. North wind around 6 mph becoming calm  in the evening.

    Low: 58 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 92. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 92 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 5am.  Otherwise, mostly clear, with a low around 50. Northwest wind around 6 mph becoming calm  in the evening.

    Low: 50 °F

    Mostly Clear
    then Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 7am.  Otherwise, sunny, with a high near 85. Light west northwest wind.

    High: 85 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 88. North wind around 7 mph.
Tonight
Clear, with a low around 58. North wind around 6 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 92. Calm wind becoming northwest around 6 mph in the afternoon.
Wednesday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 50. Northwest wind around 6 mph becoming calm in the evening.
Thursday
Patchy fog before 7am. Otherwise, sunny, with a high near 85. Light west northwest wind.
Thursday Night
Mostly clear, with a low around 53.
Friday
Sunny, with a high near 82.
Friday Night
Partly cloudy, with a low around 52.
Saturday
Partly sunny, with a high near 74.
Saturday Night
Partly cloudy, with a low around 53.
Sunday
Partly sunny, with a high near 74.
Sunday Night
Patchy fog. Otherwise, partly cloudy, with a low around 51.
Monday
Patchy fog. 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 77.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SE Napavine WA
 46.53°N 122.81°W (Elev. 417 ft)
2:25 pm PDT Jul 15, 2025
3pm PDT Jul 15, 2025-6pm PDT Jul 22, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database