National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat Wave Continues; Areas of Severe Thunderstorms Today

Dangerous, record-breaking heat will continue across most of the central and eastern U.S through Friday then focusing on the eastern U.S. through the Independence Day weekend. Peak heat indices of up to 115 degrees are possible. Strong to severe thunderstorms will be possible from the northern Plains into the Midwest and Great Lakes regions, as well as across the southern Appalachians today. Read More >

Current conditions at

DW8787 CHEHALIS (D8787)

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

NA

68°F

20°C

Humidity 72%
Wind Speed NE 0 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 59°F (15°C)
Visibility NA
Last update 02 Jul 03:30 PM PDT
Extended Forecast for

Onalaska WA

  • Tonight

    Tonight: Mostly cloudy, with a low around 52. Calm wind.

    Low: 52 °F

    Mostly Cloudy

  • Friday

    Friday: Cloudy, then gradually becoming mostly sunny, with a high near 72. Calm wind.

    High: 72 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 48. West northwest wind around 5 mph becoming calm in the evening.

    Low: 48 °F

    Mostly Cloudy

  • Independence Day

    Independence Day: Mostly cloudy, then gradually becoming sunny, with a high near 73. Light and variable wind.

    High: 73 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 46. West northwest wind around 6 mph becoming calm in the evening.

    Low: 46 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 52. Calm wind.
Friday
Cloudy, then gradually becoming mostly sunny, with a high near 72. Calm wind.
Friday Night
Mostly cloudy, with a low around 48. West northwest wind around 5 mph becoming calm in the evening.
Independence Day
Mostly cloudy, then gradually becoming sunny, with a high near 73. Light and variable wind.
Saturday Night
Mostly clear, with a low around 46. West northwest wind around 6 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 76.
Sunday Night
Mostly clear, with a low around 47.
Monday
Sunny, with a high near 80.
Monday Night
Mostly clear, with a low around 47.
Tuesday
Mostly sunny, with a high near 76.
Tuesday Night
Partly cloudy, with a low around 49.
Wednesday
Partly sunny, with a high near 75.
Wednesday Night
Partly cloudy, with a low around 48.
Thursday
Mostly sunny, with a high near 75.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Onalaska WA
 46.58°N 122.74°W (Elev. 600 ft)
Last Update:
11:26 am PDT Jul 2, 2026
Forecast Valid:
3pm PDT Jul 2, 2026-6pm PDT Jul 9, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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