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.

light rain,mist

48°F

9°C

Humidity	96%
Wind Speed	W 13 MPH
Barometer	29.87 in (1011.51 mb)
Dewpoint	47°F (8°C)
Visibility	5.00 mi
Wind Chill	43°F (6°C)
Last update	10 Dec 07:26 PM 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, 07:57pm 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, 07:57pm until December 12, 07:00am
Flood Warning until December 11, 04:00am
NOW: Multiple hazards in effect
Click HERE for Details
Tonight
Low: 37 °F
Heavy Rain
then
Rain/Snow
Thursday
High: 39 °F
Rain/Snow
Thursday Night
Low: 40 °F
Rain
Friday
High: 44 °F
Rain Likely
Friday Night
Low: 36 °F
Chance Rain
Saturday
High: 49 °F
Mostly Sunny
then Slight
Chance Rain
Saturday Night
Low: 38 °F
Chance Rain
then Rain
Sunday
High: 43 °F
Rain

Detailed Forecast

Tonight

Rain before 4am, then rain, possibly mixed with snow. The rain could be heavy at times. Low around 37. West wind 7 to 11 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. The rain could be heavy at times. Steady temperature around 39. Light northwest wind. Chance of precipitation is 100%. Little or no snow accumulation expected.

Thursday Night

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

Friday

Rain likely. 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 of less than a tenth of an inch possible.

Friday Night

A 40 percent chance of rain. Mostly cloudy, with a low around 36. Calm wind.

Saturday

A 10 percent chance of rain after 4pm. Mostly sunny, with a high near 49.

Saturday Night

Rain, mainly after 4am. Low around 38. Chance of precipitation is 80%.

Sunday

Rain. High near 43. Chance of precipitation is 90%.

Sunday Night

Rain. Low around 39. Chance of precipitation is 80%.

Monday

Rain. Mostly cloudy, with a high near 44.