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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

50°F

10°C

Humidity 61%
Wind Speed NNW 0 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Last update 09 Apr 11:09 PM PDT
Extended Forecast for

3 Miles N 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 70. Calm wind.

    High: 70 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Showers likely, mainly after 1am. Mostly cloudy, with a low around 46. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 46 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday

    Saturday: Showers likely, mainly before 11am. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 59. Calm wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 59 °F

    Showers
    Likely and
    Patchy Fog

  • Saturday Night

    Saturday Night: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Patchy Fog

  • Sunday

    Sunday: A 20 percent chance of showers after 11am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 58.

    High: 58 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Sunday Night

    Sunday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance
    Showers

  • Monday

    Monday: A chance of showers. Mostly cloudy, with a high near 56.

    High: 56 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 41. Calm wind.
Friday
Mostly cloudy, with a high near 70. Calm wind.
Friday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 46. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Showers likely, mainly before 11am. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 59. Calm wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 44. Calm wind.
Sunday
A 20 percent chance of showers after 11am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 58.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 43.
Monday
A chance of showers. Mostly cloudy, with a high near 56.
Monday Night
Mostly cloudy, with a low around 40.
Tuesday
Rain likely, mainly after 11am. Mostly cloudy, with a high near 51.
Tuesday Night
Rain. Mostly cloudy, with a low around 38.
Wednesday
Rain likely. Partly sunny, with a high near 52.
Wednesday Night
A slight chance of rain. Partly cloudy, with a low around 33.
Thursday
A slight chance of rain. Mostly sunny, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Napavine WA
 46.62°N 122.91°W (Elev. 400 ft)
Last Update:
11:26 pm PDT Apr 9, 2026
Forecast Valid:
12am 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