Tracking Late Season Winter Storms; Unusual Early-Season Heat Wave in the Southwest

Heavy snow and high winds continue in the Great Lakes and Northeast. A moderate atmospheric river will continue to bring heavy precipitation to the Pacific Northwest and northern Rockies. A major winter storm will develop across the northern High Plains tonight into Saturday and rapidly strengthen as it moves into the Great Lakes on Sunday. Above-average temperatures expected in the Southwest. Read More >

Hazardous Weather Conditions

Current conditions at

SEATTLE WEATHER FORECAST OFFICE (SEAW1)

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

36°F

2°C

Humidity	95%
Wind Speed	ENE 3 MPH
Barometer	29.88 in (1011.85 mb)
Dewpoint	35°F (2°C)
Visibility	NA
Last update	13 Mar 08:30 PM PDT

More Information:

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

Extended Forecast for

Sammamish WA

Winter Weather Advisory until March 14, 11:00am

Winter Weather Advisory March 13, 08:53pm until March 14, 11:00am

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory until March 14, 11:00am
Winter Weather Advisory March 13, 08:53pm until March 14, 11:00am
NOW: Multiple hazards in effect
Click HERE for Details
Tonight
Low: 35 °F
Rain/Snow
Saturday
High: 44 °F
Chance
Rain/Snow
Saturday Night
Low: 29 °F
Slight Chance
Rain/Snow
then Mostly
Cloudy
Sunday
High: 47 °F
Rain/Snow
Likely
Sunday Night
Low: 40 °F
Rain
Monday
High: 52 °F
Rain
Monday Night
Low: 45 °F
Rain
Tuesday
High: 54 °F
Rain

Detailed Forecast

Tonight

Rain and snow. Steady temperature around 35. Calm wind. Chance of precipitation is 80%. Total nighttime snow accumulation of less than a half inch possible.

Saturday

A chance of rain and snow, mainly before 3pm. Mostly cloudy, then gradually becoming sunny, with a high near 44. Light northwest wind. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

Saturday Night

A slight chance of rain and snow before 11pm. Mostly cloudy, with a low around 29. Calm wind becoming east around 5 mph. Chance of precipitation is 20%.

Sunday

A slight chance of snow before 11am, then rain and snow likely between 11am and 2pm, then rain likely after 2pm. Mostly cloudy, with a high near 47. Light east southeast wind. Chance of precipitation is 60%. Little or no snow accumulation expected.

Sunday Night

Rain. Low around 40. South southeast wind 3 to 7 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

Monday

Rain. High near 52. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

Monday Night

Rain. Low around 45. Chance of precipitation is 80%.

Tuesday

Rain. Cloudy, with a high near 54.

Tuesday Night

Rain. Cloudy, with a low around 48.

Wednesday

Rain. Cloudy, with a high near 58.

Wednesday Night

Rain. Cloudy, with a low around 49.