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Heavy Rain and Flooding Concerns in Hawaii; Severe Weather in the Plains

A storm system is expected to bring strong winds, widespread heavy rainfall, and flooding concerns to the Hawaiian Islands through the weekend. Strong to severe thunderstorms are forecast from the Southern Plains to the Mid-Missouri Valley this afternoon and evening. Large hail and strong winds are the primary threats. Read More >

Current conditions at

CHEHALIS (CLSW1)

Lat: 46.61°NLon: 122.90833°WElev: 262.0ft.

NA

70°F

21°C

Humidity 32%
Wind Speed W 4 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Last update 09 Apr 02:09 PM PDT
Extended Forecast for

2 Miles ENE Napavine WA

  • This Afternoon

    This Afternoon: Sunny, with a high near 68. North wind around 5 mph.

    High: 68 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 40. Light northwest wind.

    Low: 40 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers after 3pm. Partly sunny, with a high near 68. Calm wind.

    High: 68 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: A 50 percent chance of showers, mainly after 11pm. Mostly cloudy, with a low around 46. Light southwest wind.

    Low: 46 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers likely, mainly before 11am. Mostly cloudy, with a high near 61. Calm wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 61 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before 11pm. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 43.

    Low: 43 °F

    Slight Chance
    Showers then
    Patchy Fog

  • Sunday

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

    High: 58 °F

    Chance
    Showers and
    Patchy Fog

  • Sunday Night

    Sunday Night: A 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 54.

    High: 54 °F

    Chance Rain

Detailed Forecast

This Afternoon
Sunny, with a high near 68. North wind around 5 mph.
Tonight
Mostly clear, with a low around 40. Light northwest wind.
Friday
A 20 percent chance of showers after 3pm. Partly sunny, with a high near 68. Calm wind.
Friday Night
A 50 percent chance of showers, mainly after 11pm. Mostly cloudy, with a low around 46. Light southwest wind.
Saturday
Showers likely, mainly before 11am. Mostly cloudy, with a high near 61. Calm wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
A 20 percent chance of showers before 11pm. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 43.
Sunday
A 30 percent chance of showers after 11am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 58.
Sunday Night
A chance of rain, mainly before 11pm. Mostly cloudy, with a low around 42.
Monday
A chance of rain. Mostly cloudy, with a high near 54.
Monday Night
Mostly cloudy, with a low around 39.
Tuesday
A chance of rain. Mostly cloudy, with a high near 52.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 40.
Wednesday
Rain likely. Mostly cloudy, with a high near 53.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Napavine WA
 46.59°N 122.86°W (Elev. 400 ft)
Last Update:
11:26 am PDT Apr 9, 2026
Forecast Valid:
2pm PDT Apr 9, 2026-6pm PDT Apr 15, 2026
 
Forecast Discussion
 
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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