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

Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for the Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. Read More >

Current conditions at

DW8787 CHEHALIS (D8787)

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

NA

55°F

13°C

Humidity 74%
Wind Speed WSW 0 MPH
Barometer 29.67 in (1004.74 mb)
Dewpoint 47°F (8°C)
Visibility NA
Last update 10 Apr 10:15 PM PDT
Extended Forecast for

4 Miles SSW Onalaska WA

  • Tonight

    Tonight: Rain, mainly after 3am. Patchy fog after 4am. Low around 46. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 46 °F

    Chance Rain
    then Rain and
    Patchy Fog

  • Saturday

    Saturday: Rain, mainly before noon. Patchy fog before 1pm. High near 59. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 59 °F

    Rain and
    Patchy Fog
    then Chance
    Rain and
    Patchy Fog

  • Saturday Night

    Saturday Night: A 20 percent chance of rain before 11pm. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Slight Chance
    Rain and
    Patchy Fog
    then Patchy
    Fog

  • Sunday

    Sunday: A 30 percent chance of rain after 11am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 58. Light west northwest wind.

    High: 58 °F

    Chance Rain
    and Patchy
    Fog

  • Sunday Night

    Sunday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 42. West northwest wind around 6 mph becoming calm in the evening.

    Low: 42 °F

    Chance Rain

  • Monday

    Monday: A 50 percent chance of rain. Mostly cloudy, with a high near 53.

    High: 53 °F

    Chance Rain

  • Monday Night

    Monday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 40.

    Low: 40 °F

    Slight Chance
    Rain

  • Tuesday

    Tuesday: Rain, mainly after 11am. Cloudy, with a high near 49.

    High: 49 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain. Cloudy, with a low around 34.

    Low: 34 °F

    Rain

Detailed Forecast

Tonight
Rain, mainly after 3am. Patchy fog after 4am. Low around 46. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Rain, mainly before noon. Patchy fog before 1pm. High near 59. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
A 20 percent chance of rain before 11pm. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 42. Calm wind.
Sunday
A 30 percent chance of rain after 11am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 58. Light west northwest wind.
Sunday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 42. West northwest wind around 6 mph becoming calm in the evening.
Monday
A 50 percent chance of rain. Mostly cloudy, with a high near 53.
Monday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 40.
Tuesday
Rain, mainly after 11am. Cloudy, with a high near 49.
Tuesday Night
Rain. Cloudy, with a low around 34.
Wednesday
Rain. Mostly cloudy, with a high near 49.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 31.
Thursday
A chance of rain. Partly sunny, with a high near 53.
Thursday Night
A slight chance of rain. Partly cloudy, with a low around 34.
Friday
A chance of rain. Partly sunny, with a high near 55.
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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:
11:27 am PDT Apr 10, 2026
Forecast Valid:
10pm PDT Apr 10, 2026-6pm PDT Apr 17, 2026
 
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Additional Resources

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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