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.

rain,mist

46°F

8°C

Humidity	100%
Wind Speed	W 10 MPH
Barometer	29.91 in (1012.87 mb)
Dewpoint	46°F (8°C)
Visibility	0.75 mi
Wind Chill	41°F (5°C)
Last update	10 Dec 11:08 PM PST

More Information:

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

Extended Forecast for

6 Miles E Snoqualmie Pass WA

Flood Watch December 10, 11:24pm until December 12, 07:00am

Click here for hazard details and duration

Flood Watch

Flood Watch December 10, 11:24pm until December 12, 07:00am
NOW until 7:00am Fri
Flood Watch
Tonight
Low: 39 °F
Heavy Rain
Thursday
High: 41 °F
Rain
Thursday Night
Low: 39 °F
Rain Likely
Friday
High: 46 °F
Rain Likely
Friday Night
Low: 38 °F
Chance Rain
Saturday
High: 51 °F
Mostly Sunny
Saturday Night
Low: 39 °F
Chance Rain
then Rain
Sunday
High: 45 °F
Rain

Detailed Forecast

Tonight

Rain. The rain could be heavy at times. Low around 39. West wind 11 to 14 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

Thursday

Rain, mainly before 4pm. Steady temperature around 41. West wind around 7 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

Thursday Night

Rain likely, mainly after 7pm. Mostly cloudy, with a low around 39. Calm wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

Friday

Rain likely. Mostly cloudy, with a high near 46. Calm wind becoming west 5 to 7 mph in the morning. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

Friday Night

A 40 percent chance of rain. Mostly cloudy, with a low around 38. West wind 5 to 7 mph becoming calm after midnight.

Saturday

Mostly sunny, with a high near 51.

Saturday Night

Rain, mainly after 4am. Low around 39. Chance of precipitation is 80%.

Sunday

Rain. High near 45. Chance of precipitation is 80%.

Sunday Night

Rain. Low around 39. Chance of precipitation is 80%.

Monday

Rain. Mostly cloudy, with a high near 45.