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

48°F

9°C

Humidity	100%
Wind Speed	W 13 MPH
Barometer	29.9 in (1012.53 mb)
Dewpoint	48°F (9°C)
Visibility	0.75 mi
Wind Chill	43°F (6°C)
Last update	10 Dec 01:38 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, 01:55pm until December 12, 07:00am

Click here for hazard details and duration

Flood Watch

Flood Watch December 10, 01:55pm 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/Snow
Thursday Night
Low: 39 °F
Rain
Friday
High: 46 °F
Rain Likely
Friday Night
Low: 38 °F
Chance Rain
Saturday
High: 51 °F
Slight Chance
Rain
Saturday Night
Low: 39 °F
Chance Rain
then Rain

Detailed Forecast

This Afternoon

Rain. The rain could be heavy at times. High near 49. West wind around 15 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

Tonight

Rain. The rain could be heavy at times. Low around 39. West wind 11 to 15 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New precipitation amounts between 2 and 3 inches possible.

Thursday

Rain, possibly mixed with snow, becoming all rain after 1pm. Steady temperature around 41. West wind around 9 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

Thursday Night

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

Friday

Rain likely, mainly before 10am. Mostly cloudy, with a high near 46. West wind 3 to 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Friday Night

A 40 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 38.

Saturday

A 10 percent chance of rain after 4pm. 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. Mostly cloudy, with a low around 39.

Monday

Rain. Mostly cloudy, with a high near 45.