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

Heavy Rainfall and Severe Thunderstorm Threats for the Plains and Southeast

A frontal boundary extending from the western High Plains to the Southeast will focus additional showers and thunderstorms this weekend. Some of these storms may become severe, alongside frequent lightning, and isolated instances of flash flooding. Meanwhile dry conditions will continue for the Great Basin where fire weather concerns linger. For the mid-Atlantic and Northeast, seasonable weather. Read More >

Current conditions at

DW8787 CHEHALIS (D8787)

Lat: 46.64646°NLon: 122.8388°WElev: 564.0ft.

NA

58°F

14°C

Humidity 96%
Wind Speed NW 0 MPH
Barometer 30.25 in (1024.38 mb)
Dewpoint 57°F (14°C)
Visibility NA
Last update 02 Aug 05:45 AM PDT
Extended Forecast for

3 Miles ESE Onalaska WA

  • Today

    Today: Cloudy through mid morning, then gradual clearing, with a high near 78. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 78 °F

    Gradual
    Clearing

  • Tonight

    Tonight: Increasing clouds, with a low around 47. Northwest wind around 6 mph becoming calm in the evening.

    Low: 47 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Cloudy, then gradually becoming mostly sunny, with a high near 73. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 73 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 47. West northwest wind around 6 mph becoming calm in the evening.

    Low: 47 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 72. Light and variable wind.

    High: 72 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 77.

    High: 77 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of rain. Mostly cloudy, with a high near 76.

    High: 76 °F

    Slight Chance
    Rain

Detailed Forecast

Today
Cloudy through mid morning, then gradual clearing, with a high near 78. Calm wind becoming west northwest around 6 mph in the afternoon.
Tonight
Increasing clouds, with a low around 47. Northwest wind around 6 mph becoming calm in the evening.
Sunday
Cloudy, then gradually becoming mostly sunny, with a high near 73. Calm wind becoming west northwest around 5 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 47. West northwest wind around 6 mph becoming calm in the evening.
Monday
Mostly cloudy, with a high near 72. Light and variable wind.
Monday Night
Mostly cloudy, with a low around 48.
Tuesday
Partly sunny, with a high near 77.
Tuesday Night
Mostly cloudy, with a low around 52.
Wednesday
A slight chance of rain. Mostly cloudy, with a high near 76.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 54.
Thursday
A chance of rain. Mostly cloudy, with a high near 73.
Thursday Night
A slight chance of rain. Mostly cloudy, with a low around 51.
Friday
Partly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Onalaska WA
 46.55°N 122.66°W (Elev. 600 ft)
Last Update:
2:25 am PDT Aug 2, 2025
Forecast Valid:
6am PDT Aug 2, 2025-6pm PDT Aug 8, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation