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 10 MPH
Barometer	29.89 in (1012.19 mb)
Dewpoint	48°F (9°C)
Visibility	4.00 mi
Wind Chill	44°F (7°C)
Last update	10 Dec 05:26 PM PST

More Information:

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

Extended Forecast for

11 Miles E Snoqualmie Pass WA

Flood Watch December 10, 05:37pm until December 12, 07:00am

Click here for hazard details and duration

Flood Watch

Flood Watch December 10, 05:37pm until December 12, 07:00am
NOW until 7:00am Fri
Flood Watch
This Afternoon
High: 51 °F
Rain
Tonight
Low: 40 °F
Heavy Rain
then
Rain/Snow
Thursday
High: 43 °F
Rain/Snow
Thursday Night
Low: 40 °F
Rain Likely
Friday
High: 49 °F
Chance Rain
Friday Night
Low: 38 °F
Chance Rain
Saturday
High: 54 °F
Mostly Sunny
then Slight
Chance Rain
Saturday Night
Low: 40 °F
Chance Rain
then Rain

Detailed Forecast

This Afternoon

Rain. High near 51. West wind around 15 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

Tonight

Rain before 4am, then rain, possibly mixed with snow. The rain could be heavy at times. Low around 40. West wind 13 to 15 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

Thursday

Rain, possibly mixed with snow, becoming all rain after 1pm. Steady temperature around 43. West wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

Thursday Night

Rain likely. Mostly cloudy, with a low around 40. Light northwest wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

Friday

A 50 percent chance of rain. Mostly cloudy, with a high near 49. West wind 3 to 8 mph. New precipitation amounts of less than a tenth of an inch possible.

Friday Night

A 30 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 54.

Saturday Night

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

Sunday

Rain. High near 47. Chance of precipitation is 80%.

Sunday Night

Rain. Mostly cloudy, with a low around 40.

Monday

Rain. Mostly cloudy, with a high near 48.