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Heavy Snow in the Sierra Nevada; Heavy Rainfall in Texas Sunday

Heavy snow is expected in the Sierra Nevada mountain ranges into Saturday causing hazardous travel conditions. Winter Storm Warnings have been issued. Thunderstorms and moderate to heavy rainfall are expected across portions of eastern Texas into Louisiana on Sunday. Read More >

Current conditions at

SEATTLE WEATHER FORECAST OFFICE (SEAW1)

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

NA

59°F

15°C

Humidity 74%
Wind Speed SSW 4 MPH
Barometer 29.56 in (1001.02 mb)
Dewpoint 51°F (11°C)
Visibility NA
Last update 14 Nov 03:30 PM PST
Extended Forecast for

Sammamish WA

  • Tonight

    Tonight: Rain, mainly after 10pm. Low around 48. East wind 6 to 11 mph becoming south after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 48 °F

    Rain

  • Sunday

    Sunday: Rain. High near 54. South southeast wind 5 to 7 mph becoming southwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 54 °F

    Rain

  • Sunday Night

    Sunday Night: Rain likely before 11pm, then a chance of rain after 2am. Mostly cloudy, with a low around 41. Light east southeast wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 41 °F

    Rain Likely
    then Chance
    Rain

  • Monday

    Monday: A 50 percent chance of rain. Partly sunny, with a high near 51. Calm wind.

    High: 51 °F

    Chance Rain

  • Monday Night

    Monday Night: A 40 percent chance of rain before 10pm. Mostly cloudy, with a low around 38. Calm wind.

    Low: 38 °F

    Chance Rain
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of rain. Mostly cloudy, with a high near 50.

    High: 50 °F

    Slight Chance
    Rain

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Rain, mainly after 10pm. Low around 48. East wind 6 to 11 mph becoming south after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Rain. High near 54. South southeast wind 5 to 7 mph becoming southwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Rain likely before 11pm, then a chance of rain after 2am. Mostly cloudy, with a low around 41. Light east southeast wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday
A 50 percent chance of rain. Partly sunny, with a high near 51. Calm wind.
Monday Night
A 40 percent chance of rain before 10pm. Mostly cloudy, with a low around 38. Calm wind.
Tuesday
Mostly sunny, with a high near 52.
Tuesday Night
Partly cloudy, with a low around 39.
Wednesday
A slight chance of rain. Mostly cloudy, with a high near 50.
Wednesday Night
Mostly cloudy, with a low around 36.
Thursday
Partly sunny, with a high near 50.
Thursday Night
Partly cloudy, with a low around 33.
Friday
Partly sunny, with a high near 49.
Friday Night
Partly cloudy, with a low around 34.
Saturday
A slight chance of rain. Partly sunny, with a high near 50.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sammamish WA
 47.62°N 122.04°W (Elev. 469 ft)
Last Update:
11:55 am PST Nov 14, 2026
Forecast Valid:
4pm PST Nov 14, 2026-6pm PST Nov 21, 2026
 
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Additional Resources

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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