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Heavy Rain and Flooding Concerns in Hawaii; Severe Weather this Weekend in the Plains; Pacific Storm in the West

A storm system near the Hawaiian Islands is expected to bring periods of heavy rainfall, strong winds, and isolated strong to severe thunderstorms through Friday. Several rounds of severe thunderstorms are forecast to impact parts of the Great Plains into the Midwest this weekend into next week. Moderate to heavy rainfall and high elevation snow is expected this weekend over California and Oregon. Read More >

Current conditions at

CHEHALIS (CLSW1)

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

NA

43°F

6°C

Humidity 86%
Wind Speed E 0 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Last update 10 Apr 02:09 AM PDT
Extended Forecast for

6 Miles SE Napavine WA

  • Overnight

    Overnight: Partly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 68. Calm wind.

    High: 68 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Showers likely, mainly after 3am. Mostly cloudy, with a low around 46. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 46 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday

    Saturday: Showers, mainly before 11am. Patchy fog before 1pm. High near 59. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 59 °F

    Showers and
    Patchy Fog
    then Chance
    Showers and
    Patchy Fog

  • Saturday Night

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

    Low: 43 °F

    Slight Chance
    Showers and
    Patchy Fog
    then Patchy
    Fog

  • Sunday

    Sunday: A 30 percent chance of showers after 11am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 57.

    High: 57 °F

    Chance
    Showers and
    Patchy Fog

  • Sunday Night

    Sunday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 42.

    Low: 42 °F

    Chance
    Showers

  • Monday

    Monday: A chance of showers. Mostly cloudy, with a high near 54.

    High: 54 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A slight chance of rain. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Slight Chance
    Rain

Detailed Forecast

Overnight
Partly cloudy, with a low around 41. Calm wind.
Friday
Mostly cloudy, with a high near 68. Calm wind.
Friday Night
Showers likely, mainly after 3am. Mostly cloudy, with a low around 46. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Showers, mainly before 11am. Patchy fog before 1pm. High near 59. Calm wind. Chance of precipitation is 80%. 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 11pm. Otherwise, mostly cloudy, with a low around 43. Light west northwest wind.
Sunday
A 30 percent chance of showers after 11am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 57.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 42.
Monday
A chance of showers. Mostly cloudy, with a high near 54.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 39.
Tuesday
Rain, mainly after 11am. Mostly cloudy, with a high near 49.
Tuesday Night
Rain. Mostly cloudy, with a low around 37.
Wednesday
Rain likely. Mostly cloudy, with a high near 50.
Wednesday Night
A slight chance of rain. Partly cloudy, with a low around 32.
Thursday
A slight chance of rain. Mostly sunny, with a high near 56.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SE Napavine WA
 46.53°N 122.81°W (Elev. 417 ft)
Last Update:
11:26 pm PDT Apr 9, 2026
Forecast Valid:
2am PDT Apr 10, 2026-6pm PDT Apr 16, 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