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Inclement Weather in the Pacific Northwest; Severe Thunderstorms in the Southeast; Impending Winter Storm

An approaching storm will bring rain and high elevation snow to Pacific Northwest through the weekend. Isolated severe thunderstorms are possible across parts of the Southeast today into this evening as a low strengthens over the Southeast. This system will form into a winter storm on Sunday that will bring heavy snow, high winds, and coastal flooding to the Mid-Atlantic and Northeast into Monday. Read More >

Hazardous Weather Conditions

Current conditions at

SEATTLE WEATHER FORECAST OFFICE (SEAW1)

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

NA

44°F

7°C

Humidity 57%
Wind Speed SE 10 MPH
Barometer 29.85 in (1010.84 mb)
Dewpoint 30°F (-1°C)
Visibility NA
Wind Chill39°F (4°C)
Last update 21 Feb 05:30 AM PST
Extended Forecast for

Sammamish WA

Wind Advisory until February 22, 10:00am
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory until February 22, 10:00am

    NOW until 10:00am Sun

    Wind Advisory

  • Today

    High: 47 °F

    Rain/Snow
    Likely then
    Rain

  • Tonight

    Tonight: Rain, mainly after 10pm. Low around 42. East southeast wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 42 °F

    Chance Rain
    then Rain

  • Sunday

    Sunday: Rain. High near 52. South southeast wind 5 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 52 °F

    Rain

  • Sunday Night

    Sunday Night: Rain. Low around 42. Light southeast wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 42 °F

    Rain

  • Monday

    Monday: Rain. High near 50. South southeast wind around 5 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 50 °F

    Rain

  • Monday Night

    Monday Night: Rain. Low around 40. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 40 °F

    Rain

  • Tuesday

    Tuesday: Rain. High near 48. Chance of precipitation is 80%.

    High: 48 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before 10pm. Mostly cloudy, with a low around 37.

    Low: 37 °F

    Rain Likely

Detailed Forecast

Today
Rain and snow likely before 10am, then rain. High near 47. East southeast wind around 10 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Tonight
Rain, mainly after 10pm. Low around 42. East southeast wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Rain. High near 52. South southeast wind 5 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain. Low around 42. Light southeast wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Rain. High near 50. South southeast wind around 5 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
Rain. Low around 40. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
Rain. High near 48. Chance of precipitation is 80%.
Tuesday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 37.
Wednesday
Rain likely. Mostly cloudy, with a high near 49.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 39.
Thursday
Rain. Mostly cloudy, with a high near 50.
Thursday Night
Rain, possibly mixed with snow. Mostly cloudy, with a low around 38.
Friday
Rain likely, possibly mixed with snow. Mostly cloudy, with a high near 47.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sammamish WA
 47.6°N 122.03°W (Elev. 463 ft)
Last Update:
1:26 am PST Feb 21, 2026
Forecast Valid:
6am PST Feb 21, 2026-6pm PST Feb 27, 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