Severe Weather and Flooding Threats for the Central U.S.; Dangerous Heat in the Southern and Western U.S.

Severe weather and flooding threats will continue for portions of the central U.S. over the next couple of days, with multiple rounds of thunderstorms expected. Dangerous heat will persist across the southern and western U.S. through mid-week. Hot and dry conditions will fuel fire weather concerns for the Intermountain West, where dry thunderstorms may spark additional wildfires. Read More >

Hazardous Weather Conditions

Current conditions at

CHEHALIS (CLSW1)

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

NA

76°F

24°C

Humidity 38%
Wind Speed NW 2 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Heat Index78°F (26°C)
Last update 23 Jun 10:09 PM PDT
Extended Forecast for

Napavine WA

Heat Advisory June 23, 10:33pm until June 23, 11:00pm
Click here for hazard details and duration
...
  •  
    Heat Advisory June 23, 10:33pm until June 23, 11:00pm

    NOW until 11:00pm Tue

    Heat Advisory

  • Tonight

    Low: 57 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 86. Calm wind becoming west northwest 5 to 9 mph in the afternoon.

    High: 86 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 49. West northwest wind 5 to 8 mph becoming calm  in the evening.

    Low: 49 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 70. Calm wind.

    High: 70 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Rain.  Patchy fog between 1am and 2am. Low around 51. West wind around 5 mph becoming calm.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 51 °F

    Rain and
    Patchy Fog

  • Friday

    Friday: Rain before 11am, then showers and possibly a thunderstorm after 11am.  High near 62. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 62 °F

    Showers

  • Friday Night

    Friday Night: Rain likely.  Mostly cloudy, with a low around 46. Chance of precipitation is 70%.

    Low: 46 °F

    Rain Likely

  • Saturday

    Saturday: Rain likely, then showers and possibly a thunderstorm after 11am.  Mostly cloudy, with a high near 63.

    High: 63 °F

    Showers

Detailed Forecast

Tonight
Increasing clouds, with a low around 57. Light west northwest wind.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 86. Calm wind becoming west northwest 5 to 9 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 49. West northwest wind 5 to 8 mph becoming calm in the evening.
Thursday
Mostly cloudy, with a high near 70. Calm wind.
Thursday Night
Rain. Patchy fog between 1am and 2am. Low around 51. West wind around 5 mph becoming calm. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain before 11am, then showers and possibly a thunderstorm after 11am. High near 62. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Rain likely. Mostly cloudy, with a low around 46. Chance of precipitation is 70%.
Saturday
Rain likely, then showers and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 63.
Saturday Night
A chance of rain, mainly before 11pm. Mostly cloudy, with a low around 49.
Sunday
A chance of rain, mainly before 11am. Mostly cloudy, with a high near 62.
Sunday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 48.
Monday
Patchy fog. Otherwise, mostly cloudy, with a high near 65.
Monday Night
Patchy fog. Otherwise, partly cloudy, with a low around 48.
Tuesday
Partly sunny, with a high near 66.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Napavine WA
 46.58°N 122.89°W (Elev. 400 ft)
3:07 pm PDT Jun 23, 2026
10pm PDT Jun 23, 2026-6pm PDT Jun 30, 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