Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

Current conditions at

SEATTLE WEATHER FORECAST OFFICE (SEAW1)

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

NA

70°F

21°C

Humidity 64%
Wind Speed SW 9 MPH
Barometer 29.91 in (1012.87 mb)
Dewpoint 57°F (14°C)
Visibility NA
Last update 27 Aug 11:30 AM PDT
Extended Forecast for

Bellevue WA

  • This Afternoon

    This Afternoon: Mostly cloudy early, then becoming sunny, with a high near 74. Southwest wind 8 to 10 mph.

    High: 74 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 58. Southwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 58 °F

    Increasing
    Clouds

  • Friday

    Friday: Cloudy, then gradually becoming mostly sunny, with a high near 75. Calm wind.

    High: 75 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Rain likely, mainly after 3am.  Cloudy, with a low around 57. Light and variable wind.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 57 °F

    Chance Rain
    then Rain
    Likely

  • Saturday

    Saturday: Rain before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then a chance of rain after 2pm.  High near 71. Light south southwest wind.  Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 71 °F

    Showers then
    Chance
    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of rain before 11pm.  Mostly cloudy, with a low around 55.

    Low: 55 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 72.

    High: 72 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 74.

    High: 74 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy early, then becoming sunny, with a high near 74. Southwest wind 8 to 10 mph.
Tonight
Increasing clouds, with a low around 58. Southwest wind 5 to 7 mph becoming calm in the evening.
Friday
Cloudy, then gradually becoming mostly sunny, with a high near 75. Calm wind.
Friday Night
Rain likely, mainly after 3am. Cloudy, with a low around 57. Light and variable wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then a chance of rain after 2pm. High near 71. Light south southwest wind. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 55.
Sunday
Partly sunny, with a high near 72.
Sunday Night
Partly cloudy, with a low around 54.
Monday
Partly sunny, with a high near 74.
Monday Night
Mostly cloudy, with a low around 56.
Tuesday
A chance of rain. Mostly cloudy, with a high near 73.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 56.
Wednesday
Rain likely. Mostly cloudy, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
Bellevue WA
 47.6°N 122.19°W (Elev. 128 ft)
11:26 am PDT Aug 27, 2026
12pm PDT Aug 27, 2026-6pm PDT Sep 2, 2026
 
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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