Prolonged Extreme Cold; Eastern U.S. Winter Storm

Another Arctic blast will surge south across the northern Plains Thursday night, crossing the Midwest and reaching the Gulf Coast Friday night. Confidence continues to increase for significant heavy snow across much of the Southern Appalachians, Carolinas, and southern Mid-Atlantic Friday into Sunday. Read More >

Current conditions at

SEATTLE WEATHER FORECAST OFFICE (SEAW1)

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

48°F

9°C

Humidity	93%
Wind Speed	SE 1 MPH
Barometer	30.12 in (1019.98 mb)
Dewpoint	46°F (8°C)
Visibility	NA
Last update	29 Jan 12:30 AM PST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Sammamish WA

Overnight
Low: 45 °F
Rain
Thursday
High: 52 °F
Rain
Thursday Night
Low: 46 °F
Rain
Friday
High: 52 °F
Rain
Friday Night
Low: 46 °F
Rain Likely
then Chance
Rain
Saturday
High: 57 °F
Slight Chance
Rain then
Mostly Cloudy
Saturday Night
Low: 43 °F
Chance Rain
Sunday
High: 54 °F
Rain Likely
Sunday Night
Low: 43 °F
Rain Likely

Detailed Forecast

Overnight

Rain. Low around 45. East southeast wind around 9 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

Thursday

Rain, mainly before 3pm. High near 52. South southeast wind 6 to 8 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Thursday Night

Rain, mainly before 4am. Low around 46. Light east southeast wind. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

Friday

Rain, mainly after 10am. High near 52. Southeast wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Friday Night

Rain likely, mainly before 10pm. Cloudy, with a low around 46. Light east southeast wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Saturday

A 20 percent chance of rain before 10am. Mostly cloudy, with a high near 57.

Saturday Night

A 30 percent chance of rain, mainly after 4am. Mostly cloudy, with a low around 43.

Sunday

Rain likely, mainly after 10am. Mostly cloudy, with a high near 54.

Sunday Night

Rain likely, mainly before 10pm. Mostly cloudy, with a low around 43.

Monday

A chance of rain. Mostly cloudy, with a high near 53.

Monday Night

A chance of rain. Mostly cloudy, with a low around 40.