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Thunderstorms and Heavy Rainfall in the Southeast, Montana, and Iowa; Lowell Begins to Impact Hawaii

Strong thunderstorms with damaging winds and heavy rain are expected across portions of the Southeast. Thunderstorms may produce large hail across portions of Montana. Heavy rainfall could produce flash flooding across Iowa and vulnerable areas in Utah. Lowell will bring heavy rain, dangerous swells and rip currents to portions of Hawaii. Sweltering heat persists across the South-Central US. 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 75%
Wind Speed NNW 7 MPH
Barometer 29.91 in (1012.87 mb)
Dewpoint 54°F (12°C)
Visibility NA
Last update 06 Sep 09:30 AM PDT
Extended Forecast for

2 Miles NNW Sammamish WA

  • Today

    Today: Mostly sunny, with a high near 72. Calm wind.

    High: 72 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 53. Calm wind.

    Low: 53 °F

    Partly Cloudy

  • Labor Day

    Labor Day: Mostly cloudy, with a high near 68. Light south wind.

    High: 68 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 52. Calm wind.

    Low: 52 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 73. Light north wind.

    High: 73 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 72. Calm wind.
Tonight
Partly cloudy, with a low around 53. Calm wind.
Labor Day
Mostly cloudy, with a high near 68. Light south wind.
Monday Night
Partly cloudy, with a low around 52. Calm wind.
Tuesday
Mostly sunny, with a high near 73. Light north wind.
Tuesday Night
Mostly clear, with a low around 53.
Wednesday
Sunny, with a high near 78.
Wednesday Night
Mostly clear, with a low around 55.
Thursday
Mostly sunny, with a high near 76.
Thursday Night
Partly cloudy, with a low around 55.
Friday
A slight chance of rain. Partly sunny, with a high near 72.
Friday Night
A slight chance of rain. Mostly cloudy, with a low around 53.
Saturday
Mostly sunny, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Sammamish WA
 47.65°N 122.05°W (Elev. 200 ft)
Last Update:
11:26 pm PDT Sep 5, 2026
Forecast Valid:
10am PDT Sep 6, 2026-6pm PDT Sep 12, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation