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 Thursday afternoon and evening. Large hail and strong winds are the primary threats. Read More >

Current conditions at

SEATTLE WEATHER FORECAST OFFICE (SEAW1)

Lat: 47.68528°NLon: 122.25111°WElev: 29.0ft.

NA

45°F

7°C

Humidity 84%
Wind Speed N 2 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 40°F (4°C)
Visibility NA
Last update 09 Apr 08:30 AM PDT
Extended Forecast for

4 Miles W Sammamish WA

  • Today

    Today: Sunny, with a high near 67. Calm wind becoming north northwest around 6 mph in the afternoon.

    High: 67 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 44. Light and variable wind.

    Low: 44 °F

    Mostly Clear

  • Friday

    Friday: Partly sunny, with a high near 71. Calm wind.

    High: 71 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 40 percent chance of rain, mainly after 11pm. Mostly cloudy, with a low around 48. Light and variable wind.

    Low: 48 °F

    Chance Rain

  • Saturday

    Saturday: Rain likely, mainly before 11am. Mostly cloudy, with a high near 60. Light west southwest wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 60 °F

    Rain Likely

  • Saturday Night

    Saturday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Chance Rain

  • Sunday

    Sunday: A 40 percent chance of rain. Mostly cloudy, with a high near 55.

    High: 55 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A chance of rain, mainly before 11pm. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Chance Rain

  • Monday

    Monday: A slight chance of rain. Mostly cloudy, with a high near 55.

    High: 55 °F

    Slight Chance
    Rain

Detailed Forecast

Today
Sunny, with a high near 67. Calm wind becoming north northwest around 6 mph in the afternoon.
Tonight
Mostly clear, with a low around 44. Light and variable wind.
Friday
Partly sunny, with a high near 71. Calm wind.
Friday Night
A 40 percent chance of rain, mainly after 11pm. Mostly cloudy, with a low around 48. Light and variable wind.
Saturday
Rain likely, mainly before 11am. Mostly cloudy, with a high near 60. Light west southwest wind. Chance of precipitation is 70%. 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 46.
Sunday
A 40 percent chance of rain. Mostly cloudy, with a high near 55.
Sunday Night
A chance of rain, mainly before 11pm. Mostly cloudy, with a low around 45.
Monday
A slight chance of rain. Mostly cloudy, with a high near 55.
Monday Night
Mostly cloudy, with a low around 44.
Tuesday
A chance of rain. Mostly cloudy, with a high near 54.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 43.
Wednesday
Rain likely. Mostly cloudy, with a high near 53.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Sammamish WA
 47.62°N 122.1°W (Elev. 200 ft)
Last Update:
11:26 pm PDT Apr 8, 2026
Forecast Valid:
9am 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