Dangerous Heat in the Central and Eastern U.S.; Critical Fire Weather in the Great Basin and Southwest

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Heat is likely to continue across the eastern U.S. through the Independence Day holiday weekend. Critical fire weather conditions will continue Tuesday across portions of the Four Corners and Great Basin, as dry conditions and gusty winds persist. Read More >

Current conditions at

DW8787 CHEHALIS (D8787)

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

NA

52°F

11°C

Humidity 93%
Wind Speed NNE 0 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 50°F (10°C)
Visibility NA
Last update 30 Jun 03:46 AM PDT
Extended Forecast for

4 Miles SSE Onalaska WA

  • Today

    Today: Mostly cloudy, with a high near 63. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 63 °F

    Mostly Cloudy

  • Tonight

    Tonight: Patchy fog after 5am.  Otherwise, increasing clouds, with a low around 46. West wind around 5 mph becoming calm  in the evening.

    Low: 46 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 8am.  Otherwise, mostly cloudy, with a high near 63. Calm wind.

    High: 63 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 45. West northwest wind around 5 mph becoming calm  in the evening.

    Low: 45 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 67. Calm wind.

    High: 67 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 47.

    Low: 47 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 72.

    High: 72 °F

    Partly Sunny

  • Friday Night

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

    Low: 47 °F

    Partly Cloudy

  • Independence Day

    Independence Day: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 63. Calm wind becoming west southwest around 5 mph in the afternoon.
Tonight
Patchy fog after 5am. Otherwise, increasing clouds, with a low around 46. West wind around 5 mph becoming calm in the evening.
Wednesday
Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 63. Calm wind.
Wednesday Night
Mostly cloudy, with a low around 45. West northwest wind around 5 mph becoming calm in the evening.
Thursday
Mostly cloudy, with a high near 67. Calm wind.
Thursday Night
Mostly cloudy, with a low around 47.
Friday
Partly sunny, with a high near 72.
Friday Night
Partly cloudy, with a low around 47.
Independence Day
Mostly sunny, with a high near 77.
Saturday Night
Mostly clear, with a low around 47.
Sunday
Mostly sunny, with a high near 77.
Sunday Night
Mostly clear, with a low around 47.
Monday
Mostly sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Onalaska WA
 46.52°N 122.69°W (Elev. 413 ft)
11:26 pm PDT Jun 29, 2026
4am PDT Jun 30, 2026-6pm PDT Jul 6, 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