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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

SEATTLE WEATHER FORECAST OFFICE (SEAW1)

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

NA

62°F

17°C

Humidity 58%
Wind Speed NNW 12 MPH
Barometer 29.85 in (1010.84 mb)
Dewpoint 47°F (8°C)
Visibility NA
Last update 09 Apr 03:30 PM PDT
Extended Forecast for

Sammamish WA

  • Tonight

    Tonight: Mostly clear, with a low around 42. North wind around 5 mph becoming calm in the evening.

    Low: 42 °F

    Mostly Clear

  • Friday

    Friday: Partly sunny, with a high near 69. Calm wind.

    High: 69 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers, mainly after 11pm. Mostly cloudy, with a low around 48. Calm wind.

    Low: 48 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers likely, mainly before 11am. Mostly cloudy, with a high near 59. Light south southwest wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 59 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before 11pm. Patchy fog before 1am, then patchy fog after 2am. Otherwise, mostly cloudy, with a low around 46. Light and variable wind.

    Low: 46 °F

    Slight Chance
    Showers then
    Patchy Fog

  • Sunday

    Sunday: A 20 percent chance of showers after 11am. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 59.

    High: 59 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Sunday Night

    Sunday Night: A 40 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Chance Rain

  • Monday

    Monday: A chance of rain, mainly before 11am. Mostly cloudy, with a high near 55.

    High: 55 °F

    Chance Rain

  • Monday Night

    Monday Night: A slight chance of rain before 11pm. Mostly cloudy, with a low around 42.

    Low: 42 °F

    Slight Chance
    Rain then
    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 42. North wind around 5 mph becoming calm in the evening.
Friday
Partly sunny, with a high near 69. Calm wind.
Friday Night
A 30 percent chance of showers, mainly after 11pm. Mostly cloudy, with a low around 48. Calm wind.
Saturday
Showers likely, mainly before 11am. Mostly cloudy, with a high near 59. Light south southwest wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
A 20 percent chance of showers before 11pm. Patchy fog before 1am, then patchy fog after 2am. Otherwise, mostly cloudy, with a low around 46. Light and variable wind.
Sunday
A 20 percent chance of showers after 11am. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 59.
Sunday Night
A 40 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 45.
Monday
A chance of rain, mainly before 11am. Mostly cloudy, with a high near 55.
Monday Night
A slight chance of rain before 11pm. Mostly cloudy, with a low around 42.
Tuesday
A chance of rain, mainly after 11am. 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.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 38.
Thursday
A chance of rain. Partly sunny, with a high near 57.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sammamish WA
 47.62°N 122.07°W (Elev. 200 ft)
Last Update:
11:26 am PDT Apr 9, 2026
Forecast Valid:
3pm PDT Apr 9, 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