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

Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >

Current conditions at

DW8787 CHEHALIS (D8787)

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

NA

72°F

22°C

Humidity 62%
Wind Speed W 5 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 58°F (14°C)
Visibility NA
Last update 16 Jun 04:45 PM PDT
Extended Forecast for

3 Miles S Onalaska WA

  • Tonight

    Tonight: Increasing clouds, with a low around 46. West northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 46 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 75. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 75 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 49. Northwest wind around 6 mph becoming calm in the evening.

    Low: 49 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 82. Calm wind becoming north around 6 mph in the afternoon.

    High: 82 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 52. North wind around 6 mph becoming calm in the evening.

    Low: 52 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 46. West northwest wind 5 to 8 mph becoming calm in the evening.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 75. Calm wind becoming north northwest around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 49. Northwest wind around 6 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 82. Calm wind becoming north around 6 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 52. North wind around 6 mph becoming calm in the evening.
Juneteenth
Mostly sunny, with a high near 80.
Friday Night
Mostly clear, with a low around 49.
Saturday
Mostly sunny, with a high near 75.
Saturday Night
Mostly clear, with a low around 49.
Sunday
Mostly sunny, with a high near 78.
Sunday Night
Mostly clear, with a low around 52.
Monday
Sunny, with a high near 86.
Monday Night
Mostly clear, with a low around 52.
Tuesday
Sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Onalaska WA
 46.54°N 122.72°W (Elev. 528 ft)
Last Update:
11:26 am PDT Jun 16, 2026
Forecast Valid:
5pm PDT Jun 16, 2026-6pm PDT Jun 23, 2026
 
Forecast Discussion
 
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Additional Resources

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