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

45°F

7°C

Humidity 98%
Wind Speed WNW 0 MPH
Barometer 29.7 in (1005.76 mb)
Dewpoint 44°F (7°C)
Visibility NA
Last update 11 Apr 11:45 PM PDT
Extended Forecast for

Onalaska WA

  • Overnight

    Overnight: Patchy fog.  Otherwise, mostly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Patchy Fog

  • Sunday

    Sunday: A 30 percent chance of rain, mainly after 4pm.  Patchy fog before 10am.  Otherwise, mostly cloudy, with a high near 58. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 58 °F

    Patchy Fog
    then Chance
    Rain

  • Sunday Night

    Sunday Night: A 40 percent chance of rain after 2am.  Mostly cloudy, with a low around 44. West wind around 5 mph becoming calm  in the evening.

    Low: 44 °F

    Chance Rain

  • Monday

    Monday: Rain likely, mainly after 11am.  Mostly cloudy, with a high near 53. Calm wind becoming west southwest around 6 mph in the afternoon.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 53 °F

    Rain Likely

  • Monday Night

    Monday Night: A 40 percent chance of rain.  Mostly cloudy, with a low around 39. West southwest wind around 6 mph becoming calm  in the evening.

    Low: 39 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain.  High near 47. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 47 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain.  Low around 35. Chance of precipitation is 100%.

    Low: 35 °F

    Rain then
    Rain Likely

  • Wednesday

    Wednesday: Rain likely, then showers and possibly a thunderstorm after 11am.  Mostly cloudy, with a high near 48.

    High: 48 °F

    Showers

  • Wednesday Night

    Wednesday Night: Rain likely, mainly before 11pm.  Mostly cloudy, with a low around 32.

    Low: 32 °F

    Rain Likely

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly cloudy, with a low around 42. Calm wind.
Sunday
A 30 percent chance of rain, mainly after 4pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 58. Calm wind becoming west northwest around 6 mph in the afternoon.
Sunday Night
A 40 percent chance of rain after 2am. Mostly cloudy, with a low around 44. West wind around 5 mph becoming calm in the evening.
Monday
Rain likely, mainly after 11am. Mostly cloudy, with a high near 53. Calm wind becoming west southwest around 6 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 39. West southwest wind around 6 mph becoming calm in the evening.
Tuesday
Rain. High near 47. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
Rain. Low around 35. Chance of precipitation is 100%.
Wednesday
Rain likely, then showers and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 48.
Wednesday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 32.
Thursday
A chance of rain, mainly after 11am. Partly sunny, with a high near 52.
Thursday Night
Partly cloudy, with a low around 33.
Friday
Partly sunny, with a high near 55.
Friday Night
Partly cloudy, with a low around 34.
Saturday
Partly sunny, with a high near 61.
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ABOUT THIS FORECAST

 
Point Forecast:
Onalaska WA
 46.58°N 122.74°W (Elev. 600 ft)
11:27 pm PDT Apr 11, 2026
12am PDT Apr 12, 2026-6pm PDT Apr 18, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database