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

47°F

8°C

Humidity	100%
Wind Speed	WSW 8 MPH
Barometer	29.9 in (1012.53 mb)
Dewpoint	47°F (8°C)
Visibility	0.75 mi
Wind Chill	43°F (6°C)
Last update	10 Dec 11:56 AM 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, 12:53pm until December 12, 07:00am

Click here for hazard details and duration

Flood Watch

Flood Watch December 10, 12:53pm until December 12, 07:00am
NOW until 7:00am Fri
Flood Watch
This Afternoon
High: 49 °F
Heavy Rain
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: 49 °F
Chance Rain
Saturday Night
Low: 39 °F
Rain

Detailed Forecast

This Afternoon

Rain. The rain could be heavy at times. High near 49. West wind 13 to 16 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 16 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New precipitation amounts between 2 and 3 inches possible.

Thursday

Rain. Steady temperature around 41. West wind around 9 mph, with gusts as high as 18 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

Thursday Night

Rain likely. Mostly cloudy, with a low around 39. Light west wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

Friday

Rain likely, mainly before 4pm. Mostly cloudy, with a high near 46. West wind 3 to 8 mph. 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 38.

Saturday

A 30 percent chance of rain, mainly after 4pm. Mostly sunny, with a high near 49.

Saturday Night

Rain, mainly after 10pm. Low around 39. Chance of precipitation is 80%.

Sunday

Rain. High near 44. Chance of precipitation is 80%.

Sunday Night

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

Monday

Rain. Mostly cloudy, with a high near 45.