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 99%
Wind Speed WNW 0 MPH
Barometer 29.66 in (1004.4 mb)
Dewpoint 45°F (7°C)
Visibility NA
Last update 12 Apr 04:30 AM PDT
Extended Forecast for

4 Miles SSW Onalaska WA

  • Today

    Today: A 30 percent chance of rain after 4pm.  Patchy fog before 10am.  Otherwise, mostly cloudy, with a high near 59. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 59 °F

    Patchy Fog
    then Chance
    Rain

  • Tonight

    Tonight: A 40 percent chance of rain after 2am.  Mostly cloudy, with a low around 43. West northwest wind around 5 mph becoming calm  in the evening.

    Low: 43 °F

    Chance Rain

  • Monday

    Monday: Rain likely, mainly after 11am.  Mostly cloudy, with a high near 53. Calm wind becoming west southwest around 5 mph in the afternoon.  Chance of precipitation is 70%. 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 48. Light south wind becoming south southwest 5 to 9 mph in the morning. Winds could gust as high as 24 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 48 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain.  Low around 35. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 35 °F

    Rain then
    Rain Likely

  • Wednesday

    Wednesday: Rain likely, then showers and possibly a thunderstorm after 11am.  High near 48. Chance of precipitation is 90%.

    High: 48 °F

    Showers

  • Wednesday Night

    Wednesday Night: Rain likely, mainly before 11pm.  Mostly cloudy, with a low around 31.

    Low: 31 °F

    Rain Likely

  • Thursday

    Thursday: A chance of rain, mainly after 11am.  Partly sunny, with a high near 53.

    High: 53 °F

    Chance Rain

Detailed Forecast

Today
A 30 percent chance of rain after 4pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 59. Calm wind becoming west northwest around 5 mph in the afternoon.
Tonight
A 40 percent chance of rain after 2am. Mostly cloudy, with a low around 43. West northwest 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 5 mph in the afternoon. Chance of precipitation is 70%. 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 48. Light south wind becoming south southwest 5 to 9 mph in the morning. Winds could gust as high as 24 mph. 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%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Rain likely, then showers and possibly a thunderstorm after 11am. High near 48. Chance of precipitation is 90%.
Wednesday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 31.
Thursday
A chance of rain, mainly after 11am. Partly sunny, with a high near 53.
Thursday Night
Partly cloudy, with a low around 33.
Friday
Partly sunny, with a high near 56.
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:
4 Miles SSW Onalaska WA
 46.54°N 122.75°W (Elev. 535 ft)
11:27 pm PDT Apr 11, 2026
4am PDT Apr 12, 2026-6pm PDT Apr 18, 2026
 
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Additional Resources

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