Heavy Rain and Flooding Possible in the Southwest U.S, Ohio Valley, and Hawaii

Heavy rainfall is expected to continue through Thursday over New Mexico into far west Texas. Flash flooding and debris flows in wildfire burn areas will be possible. Heavy rain and flash flooding is also expected over the southern Appalachians and Ohio Valley. Tropical Depression 15-E, southeast of Hawaii, is expected to bring heavy rain beginning today to the Big Island and Maui. Read More >

Current conditions at

DW8787 CHEHALIS (D8787)

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

NA

66°F

19°C

Humidity 61%
Wind Speed W 1 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 52°F (11°C)
Visibility NA
Last update 23 Sep 04:15 PM PDT
Extended Forecast for

2 Miles NE Onalaska WA

  • Tonight

    Tonight: Partly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of rain, mainly after 5pm.  Mostly cloudy, with a high near 63. Calm wind.

    High: 63 °F

    Partly Sunny
    then Chance
    Rain

  • Thursday Night

    Thursday Night: Rain, mainly before 4am, then showers likely after 4am.  Low around 49. Calm wind becoming southeast 5 to 8 mph after midnight. Winds could gust as high as 21 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 49 °F

    Rain

  • Friday

    Friday: Showers, with thunderstorms also possible after 11am.  High near 56. South southeast wind 9 to 13 mph becoming west southwest in the afternoon. Winds could gust as high as 25 mph.  Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 56 °F

    Showers

  • Friday Night

    Friday Night: A 40 percent chance of showers before 11pm.  Mostly cloudy, with a low around 43. West wind 5 to 7 mph becoming calm  in the evening.

    Low: 43 °F

    Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 61.

    High: 61 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 43. Calm wind.
Thursday
A 30 percent chance of rain, mainly after 5pm. Mostly cloudy, with a high near 63. Calm wind.
Thursday Night
Rain, mainly before 4am, then showers likely after 4am. Low around 49. Calm wind becoming southeast 5 to 8 mph after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Showers, with thunderstorms also possible after 11am. High near 56. South southeast wind 9 to 13 mph becoming west southwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
A 40 percent chance of showers before 11pm. Mostly cloudy, with a low around 43. West wind 5 to 7 mph becoming calm in the evening.
Saturday
Partly sunny, with a high near 60.
Saturday Night
Mostly cloudy, with a low around 42.
Sunday
Partly sunny, with a high near 61.
Sunday Night
Partly cloudy, with a low around 43.
Monday
Partly sunny, with a high near 61.
Monday Night
A slight chance of rain. Partly cloudy, with a low around 45.
Tuesday
A chance of rain. Mostly cloudy, with a high near 63.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 46.
Wednesday
A slight chance of rain. Mostly cloudy, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NE Onalaska WA
 46.59°N 122.68°W (Elev. 751 ft)
1:00 pm PDT Sep 23, 2026
4pm PDT Sep 23, 2026-6pm PDT Sep 30, 2026
 
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Additional Resources

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