Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds in the North-Central U.S.

A prolonged atmospheric river will continue impacting the Pacific Northwest with heavy rainfall which has lead to areas of urban and river flooding along with gusty winds into Thursday. A clipper will bring heavy snow, some mixed wintry precipitation, and gusty to high winds across the northern Plains, Upper Midwest, and the Great Lakes into Thursday morning. 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.

Mist

32°F

0°C

Humidity	100%
Wind Speed	N 0 MPH
Barometer	30.04 in (1017.27 mb)
Dewpoint	32°F (0°C)
Visibility	1.00 mi
Last update	09 Dec 02:56 PM PST

More Information:

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

Extended Forecast for

3 Miles SSE Snoqualmie Pass WA

Flood Watch December 9, 03:14pm until December 12, 07:00am

Click here for hazard details and duration

Flood Watch

Flood Watch December 9, 03:14pm until December 12, 07:00am
NOW until 7:00am Fri
Flood Watch
This Afternoon
High: 38 °F
Rain
Tonight
Low: 36 °F⇑
Heavy Rain
Wednesday
High: 47 °F
Heavy Rain
Wednesday Night
Low: 39 °F
Heavy Rain
Thursday
High: 42 °F
Rain
Thursday Night
Low: 38 °F
Rain
Friday
High: 43 °F
Rain/Snow
Likely
Friday Night
Low: 38 °F
Chance Rain

Detailed Forecast

This Afternoon

Rain. High near 38. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Tonight

Rain. The rain could be heavy at times. Temperature rising to around 45 by 4am. Calm wind becoming southwest around 5 mph after midnight. Chance of precipitation is 100%. New precipitation amounts between 2 and 3 inches possible.

Wednesday

Rain. The rain could be heavy at times. High near 47. West wind 10 to 15 mph, with gusts as high as 30 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 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New precipitation amounts between 2 and 3 inches possible.

Thursday

Rain. High near 42. West wind around 8 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

Thursday Night

Rain. Low around 38. Chance of precipitation is 80%.

Friday

Rain likely, possibly mixed with snow, becoming all rain after 1pm. Mostly cloudy, with a high near 43. Chance of precipitation is 70%. Little or no snow accumulation expected.

Friday Night

A 50 percent chance of rain. Mostly cloudy, with a low around 38.

Saturday

A 30 percent chance of rain. Partly sunny, with a high near 44.

Saturday Night

Rain, mainly after 10pm. Mostly cloudy, with a low around 37.

Sunday

Rain. Mostly cloudy, with a high near 40.

Sunday Night

Rain likely. Mostly cloudy, with a low around 35.

Monday

Rain. Mostly cloudy, with a high near 41.