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

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

54°F

12°C

Humidity 57%
Wind Speed W 1 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Last update 09 Apr 10:09 AM PDT
Extended Forecast for

2 Miles ENE Napavine WA

  • Today

    Today: Sunny, with a high near 68. Calm wind becoming north around 5 mph in the afternoon.

    High: 68 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 42. Light west northwest wind.

    Low: 42 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 68. Calm wind.

    High: 68 °F

    Partly Sunny

  • Friday Night

    Friday Night: Rain likely, mainly after 11pm. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 45. Light west southwest wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Rain Likely
    and Patchy
    Fog

  • Saturday

    Saturday: Rain. Patchy fog before 11am. High near 60. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 60 °F

    Rain and
    Patchy Fog

  • Saturday Night

    Saturday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance Rain

  • Sunday

    Sunday: A 50 percent chance of rain. Mostly cloudy, with a high near 54.

    High: 54 °F

    Chance Rain

  • 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

Today
Sunny, with a high near 68. Calm wind becoming north around 5 mph in the afternoon.
Tonight
Partly cloudy, with a low around 42. Light west northwest wind.
Friday
Partly sunny, with a high near 68. Calm wind.
Friday Night
Rain likely, mainly after 11pm. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 45. Light west southwest wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain. Patchy fog before 11am. High near 60. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 43.
Sunday
A 50 percent chance of rain. Mostly cloudy, with a high near 54.
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 pm PDT Apr 8, 2026
Forecast Valid:
10am 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