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

45°F

7°C

Humidity	100%
Wind Speed	WSW 4 MPH
Barometer	29.86 in (1011.18 mb)
Dewpoint	45°F (7°C)
Visibility	0.75 mi
Wind Chill	43°F (6°C)
Last update	10 Dec 04:56 AM 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, 05:11am until December 12, 07:00am

Click here for hazard details and duration

Flood Watch

Flood Watch December 10, 05:11am until December 12, 07:00am
NOW until 7:00am Fri
Flood Watch
Overnight
Low: 46 °F
Heavy Rain
Wednesday
High: 50 °F
Heavy Rain
Wednesday Night
Low: 39 °F
Heavy Rain
Thursday
High: 45 °F
Rain
Thursday Night
Low: 39 °F
Rain
Friday
High: 47 °F
Rain Likely
Friday Night
Low: 38 °F
Chance Rain
Saturday
High: 50 °F
Chance Rain

Detailed Forecast

Overnight

Rain. The rain could be heavy at times. Steady temperature around 46. West wind around 9 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Wednesday

Rain. The rain could be heavy at times. High near 50. West wind 9 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New precipitation amounts between 2 and 3 inches possible.

Wednesday Night

Rain. The rain could be heavy at times. Low around 39. West wind 10 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New precipitation amounts between 2 and 3 inches possible.

Thursday

Rain. High near 45. West wind around 8 mph, with gusts as high as 18 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

Thursday Night

Rain. Low around 39. 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 47. Chance of precipitation is 70%.

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. Partly sunny, with a high near 50.

Saturday Night

Rain likely, mainly after 10pm. Mostly cloudy, with a low around 39. Chance of precipitation is 60%.

Sunday

Rain. Mostly cloudy, with a high near 45.