Tracking Atmospheric River in the Northwest U.S. and Clipper with Winter Weather in the Northeast U.S.

A prolonged atmospheric river will continue to bring gusty winds, heavy rainfall which may lead to urban and river flooding with possible landslides, and heavy inter-mountain snow over the Pacific Northwest into the northern Rockies through Thursday. A clipper will cross the Great Lakes and Northeast U.S. into Thursday with areas of moderate to heavy snow and mixed wintry precipitation. Read More >

Hazardous Weather Conditions

Flood Watch until December 12, 07:00 AM PST

Current conditions at

Stampede Pass (KSMP)

Lat: 47.27648°NLon: 121.33817°WElev: 3970.0ft.

light rain,mist

47°F

8°C

Humidity	100%
Wind Speed	WSW 6 MPH
Barometer	29.9 in (1012.53 mb)
Dewpoint	47°F (8°C)
Visibility	0.75 mi
Wind Chill	44°F (7°C)
Last update	10 Dec 10:56 AM PST

More Information:

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

Extended Forecast for

4 Miles S Snoqualmie Pass WA

Flood Watch December 10, 11:42am until December 12, 07:00am

Click here for hazard details and duration

Flood Watch

Flood Watch December 10, 11:42am until December 12, 07:00am
NOW until 7:00am Fri
Flood Watch
Today
High: 47 °F
Heavy Rain
Tonight
Low: 39 °F
Heavy Rain
Thursday
High: 40 °F
Rain
Thursday Night
Low: 39 °F
Rain
Friday
High: 44 °F
Rain Likely
Friday Night
Low: 37 °F
Chance Rain
Saturday
High: 47 °F
Chance Rain
Saturday Night
Low: 38 °F
Rain Likely

Detailed Forecast

Today

Rain. The rain could be heavy at times. High near 47. West wind 11 to 13 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.

Tonight

Rain. The rain could be heavy at times. Low around 39. West wind 11 to 15 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New precipitation amounts between 2 and 3 inches possible.

Thursday

Rain. Steady temperature around 40. West wind around 8 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

Thursday Night

Rain. Low around 39. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Friday

Rain likely, mainly before 4pm. Mostly cloudy, with a high near 44. Calm wind becoming west around 6 mph in the morning. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

Friday Night

A 40 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 37.

Saturday

A 30 percent chance of rain, mainly after 4pm. Mostly sunny, with a high near 47.

Saturday Night

Rain likely, mainly after 10pm. Mostly cloudy, with a low around 38. Chance of precipitation is 60%.

Sunday

Rain. High near 42. Chance of precipitation is 80%.

Sunday Night

Rain likely. Mostly cloudy, with a low around 38.

Monday

Rain. Mostly cloudy, with a high near 43.