Severe Weather and Flooding Threat in the Central U.S. and Mid-Atlantic; Dangerous Heat in the West and Southern Plains

Severe thunderstorms and heavy rain are expected across the central High Plains into parts of the central and southern Plains and in the the Mid-Atlantic today. Intense, dangerous heat will persist across the West, Southwest, and Southern Plains into the end of the week. Elevated to critical fire weather conditions expected in the Great Basin and Four Corners region. Read More >

Hazardous Weather Conditions

Current conditions at

DW8787 CHEHALIS (D8787)

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

NA

73°F

23°C

Humidity 63%
Wind Speed S 0 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 60°F (16°C)
Visibility NA
Last update 23 Jun 09:31 AM PDT
Extended Forecast for

Onalaska WA

Heat Advisory June 23, 09:54am until June 23, 11:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory June 23, 09:54am until June 23, 11:00pm

    NOW until 11:00pm Tue

    Heat Advisory

  • Today

    High: 90 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Increasing clouds, with a low around 56. Calm wind.

    Low: 56 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Partly sunny, with a high near 83. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 83 °F

    Partly Sunny

  • Wednesday Night

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

    Low: 49 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Cloudy, with a high near 68. Calm wind.

    High: 68 °F

    Cloudy

  • Thursday Night

    Thursday Night: Rain, mainly after 11pm.  Low around 50. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Rain

  • Friday

    Friday: Rain.  High near 60. Chance of precipitation is 100%.

    High: 60 °F

    Rain

  • Friday Night

    Friday Night: Rain, mainly before 11pm.  Mostly cloudy, with a low around 47.

    Low: 47 °F

    Rain

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 90. Calm wind becoming north northwest around 5 mph.
Tonight
Increasing clouds, with a low around 56. Calm wind.
Wednesday
Partly sunny, with a high near 83. Calm wind becoming west 5 to 7 mph in the afternoon.
Wednesday Night
Increasing clouds, with a low around 49. West wind 5 to 8 mph becoming calm in the evening.
Thursday
Cloudy, with a high near 68. Calm wind.
Thursday Night
Rain, mainly after 11pm. Low around 50. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Rain. High near 60. Chance of precipitation is 100%.
Friday Night
Rain, mainly before 11pm. Mostly cloudy, with a low around 47.
Saturday
A chance of rain, then showers and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 60.
Saturday Night
A chance of rain, mainly before 11pm. Mostly cloudy, with a low around 46.
Sunday
A chance of rain. Mostly cloudy, with a high near 62.
Sunday Night
A slight chance of rain. Mostly cloudy, with a low around 48.
Monday
A slight chance of rain. Mostly cloudy, with a high near 65.
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ABOUT THIS FORECAST

 
Point Forecast:
Onalaska WA
 46.59°N 122.71°W (Elev. 600 ft)
11:26 pm PDT Jun 22, 2026
9am PDT Jun 23, 2026-6pm PDT Jun 29, 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