Another Arctic Blast in the East; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the upper Ohio Valley, Mid-Atlantic, Gulf Coast and Southeast U.S. this weekend. A rapidly deepening storm will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia into Sunday. Storm-force winds and coastal flooding will be possible along the East Coast. Read More >

Current conditions at

SEATTLE WEATHER FORECAST OFFICE (SEAW1)

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

NA

48°F

9°C

Humidity 100%
Wind Speed WSW 0 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 48°F (9°C)
Visibility NA
Last update 31 Jan 08:30 AM PST
Extended Forecast for

Sammamish WA

  • Today

    Today: A 20 percent chance of rain before 10am.  Cloudy, then gradually becoming mostly sunny, with a high near 61. Calm wind.

    High: 61 °F

    Slight Chance
    Rain then
    Partly Sunny

  • Tonight

    Tonight: A 50 percent chance of rain, mainly after 2am.  Increasing clouds, with a low around 45. Calm wind.

    Low: 45 °F

    Mostly Cloudy
    then Chance
    Rain

  • Sunday

    Sunday: Rain.  High near 53. South southeast wind 3 to 6 mph.  Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 53 °F

    Rain

  • Sunday Night

    Sunday Night: Rain.  Low around 44. South wind 3 to 5 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Rain

  • Monday

    Monday: Rain, mainly before 4pm.  High near 52. Light south southeast wind.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 52 °F

    Rain

  • Monday Night

    Monday Night: A 50 percent chance of rain, mainly before 10pm.  Mostly cloudy, with a low around 45.

    Low: 45 °F

    Chance Rain
    then Slight
    Chance Rain

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 61.

    High: 61 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 63.

    High: 63 °F

    Partly Sunny

Detailed Forecast

Today
A 20 percent chance of rain before 10am. Cloudy, then gradually becoming mostly sunny, with a high near 61. Calm wind.
Tonight
A 50 percent chance of rain, mainly after 2am. Increasing clouds, with a low around 45. Calm wind.
Sunday
Rain. High near 53. South southeast wind 3 to 6 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain. Low around 44. South wind 3 to 5 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Rain, mainly before 4pm. High near 52. Light south southeast wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
A 50 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 45.
Tuesday
Mostly cloudy, with a high near 61.
Tuesday Night
Mostly cloudy, with a low around 45.
Wednesday
Partly sunny, with a high near 63.
Wednesday Night
Partly cloudy, with a low around 42.
Thursday
Mostly sunny, with a high near 63.
Thursday Night
Partly cloudy, with a low around 41.
Friday
Mostly sunny, with a high near 61.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Sammamish WA
 47.62°N 122.07°W (Elev. 200 ft)
7:00 am PST Jan 31, 2026
9am PST Jan 31, 2026-6pm PST Feb 6, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database