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

46°F

8°C

Humidity	100%
Wind Speed	W 9 MPH
Barometer	29.91 in (1012.87 mb)
Dewpoint	46°F (8°C)
Visibility	1.75 mi
Wind Chill	41°F (5°C)
Last update	10 Dec 09:41 PM PST

More Information:

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

Extended Forecast for

2 Miles SSE Snoqualmie Pass WA

Flood Watch December 10, 09:51pm until December 12, 07:00am

Click here for hazard details and duration

Flood Watch

Flood Watch December 10, 09:51pm until December 12, 07:00am
NOW until 7:00am Fri
Flood Watch
Tonight
Low: 40 °F
Heavy Rain
Thursday
High: 42 °F
Rain/Snow
Thursday Night
Low: 40 °F
Rain
Friday
High: 47 °F
Rain Likely
Friday Night
Low: 38 °F
Chance Rain
Saturday
High: 52 °F
Mostly Sunny
then Slight
Chance Rain
Saturday Night
Low: 40 °F
Chance Rain
then Rain
Sunday
High: 45 °F
Rain

Detailed Forecast

Tonight

Rain. The rain could be heavy at times. Low around 40. West wind 9 to 13 mph, with gusts as high as 33 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. The rain could be heavy at times. Steady temperature around 42. Northwest wind around 5 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

Thursday Night

Rain. Low around 40. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

Friday

Rain likely, mainly before 10am. Mostly cloudy, with a high near 47. Calm wind becoming west around 6 mph in the afternoon. 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. Light west wind.

Saturday

A 10 percent chance of rain after 4pm. Mostly sunny, with a high near 52.

Saturday Night

Rain, mainly after 4am. Low around 40. Chance of precipitation is 80%.

Sunday

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

Sunday Night

Rain. Low around 40. Chance of precipitation is 80%.

Monday

Rain. Mostly cloudy, with a high near 47.