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

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

Snoqualmie Pass WA

Flood Watch December 10, 12:43pm until December 12, 07:00am

Flood Warning until December 11, 04:00am

Click here for hazard details and duration

Flood Watch

Flood Warning

Flood Watch December 10, 12:43pm until December 12, 07:00am
Flood Warning until December 11, 04:00am
NOW: Multiple hazards in effect
Click HERE for Details
This Afternoon
High: 47 °F
Heavy Rain
Tonight
Low: 37 °F
Heavy Rain
then
Rain/Snow
Thursday
High: 39 °F
Rain/Snow
then Rain
Thursday Night
Low: 38 °F
Rain
Friday
High: 44 °F
Rain Likely
Friday Night
Low: 36 °F
Chance Rain
Saturday
High: 48 °F
Chance Rain
Saturday Night
Low: 37 °F
Rain Likely

Detailed Forecast

This Afternoon

Rain. The rain could be heavy at times. High near 47. West wind 9 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

Tonight

Rain before 4am, then rain, possibly mixed with snow. The rain could be heavy at times. Low around 37. West wind 7 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

Thursday

Rain, possibly mixed with snow, becoming all rain after 10am. Steady temperature around 39. West wind around 6 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

Thursday Night

Rain. Low around 38. 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 5 mph in the afternoon. 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 36.

Saturday

A 30 percent chance of rain, mainly after 4pm. Partly sunny, with a high near 48.

Saturday Night

Rain likely, mainly after 10pm. Mostly cloudy, with a low around 37. Chance of precipitation is 60%.

Sunday

Rain. High near 42. Chance of precipitation is 90%.

Sunday Night

Rain likely. Mostly cloudy, with a low around 37.

Monday

Rain. Mostly cloudy, with a high near 44.