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

Heavy Rain and Flooding Concerns in Hawaii; Severe Weather this Weekend in the Plains; Pacific Storm in the West

A storm system near the Hawaiian Islands is expected to bring periods of heavy rainfall, strong winds, and isolated strong to severe thunderstorms through Friday. Several rounds of severe thunderstorms are forecast to impact parts of the Great Plains into the Midwest this weekend into next week. Moderate to heavy rainfall and high elevation snow is expected this weekend over California and Oregon. Read More >

Current conditions at

DW8787 CHEHALIS (D8787)

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

NA

54°F

12°C

Humidity 66%
Wind Speed NNW 0 MPH
Barometer 29.88 in (1011.85 mb)
Dewpoint 43°F (6°C)
Visibility NA
Last update 09 Apr 08:45 PM PDT
Extended Forecast for

4 Miles SSW Onalaska WA

  • Tonight

    Tonight: Partly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers after 3pm. Partly sunny, with a high near 67. Calm wind.

    High: 67 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: Showers likely, mainly after 11pm. Mostly cloudy, with a low around 46. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 46 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers. High near 60. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 60 °F

    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers before 11pm. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 43. Light northwest wind.

    Low: 43 °F

    Chance
    Showers and
    Patchy Fog
    then Patchy
    Fog

  • Sunday

    Sunday: A 30 percent chance of showers, mainly after 11am. Areas of fog before 10am. Otherwise, mostly cloudy, with a high near 57.

    High: 57 °F

    Chance
    Showers and
    Areas Fog

  • Sunday Night

    Sunday Night: A 40 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 42.

    Low: 42 °F

    Chance Rain

  • Monday

    Monday: A chance of rain. Mostly cloudy, with a high near 53.

    High: 53 °F

    Chance Rain

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 42. Calm wind.
Friday
A 20 percent chance of showers after 3pm. Partly sunny, with a high near 67. Calm wind.
Friday Night
Showers likely, mainly after 11pm. Mostly cloudy, with a low around 46. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Showers. High near 60. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
A 30 percent chance of showers before 11pm. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 43. Light northwest wind.
Sunday
A 30 percent chance of showers, mainly after 11am. Areas of fog before 10am. Otherwise, mostly cloudy, with a high near 57.
Sunday Night
A 40 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 42.
Monday
A chance of rain. Mostly cloudy, with a high near 53.
Monday Night
Mostly cloudy, with a low around 39.
Tuesday
A chance of rain after 11am. Mostly cloudy, with a high near 51.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 39.
Wednesday
Rain likely. Mostly cloudy, with a high near 53.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 36.
Thursday
A chance of rain. Partly sunny, with a high near 56.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Onalaska WA
 46.54°N 122.75°W (Elev. 535 ft)
Last Update:
11:26 am PDT Apr 9, 2026
Forecast Valid:
9pm PDT Apr 9, 2026-6pm PDT Apr 16, 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