Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. 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.

unknown precip,fog

32°F

0°C

Humidity	100%
Wind Speed	NA 3 MPH
Barometer	30.0 in (1015.92 mb)
Dewpoint	32°F (0°C)
Visibility	0.50 mi
Last update	09 Dec 06:56 PM PST

More Information:

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

Extended Forecast for

11 Miles N Roslyn WA

Flood Watch December 9, 07:50pm until December 12, 07:00am

Click here for hazard details and duration

Flood Watch

Flood Watch December 9, 07:50pm until December 12, 07:00am
NOW until 7:00am Fri
Flood Watch
Tonight
Low: 39 °F⇑
Heavy Rain
Wednesday
High: 52 °F
Heavy Rain
Wednesday Night
Low: 43 °F
Rain
Thursday
High: 48 °F
Rain
Thursday Night
Low: 41 °F
Rain Likely
Friday
High: 49 °F
Rain/Snow
Likely
Friday Night
Low: 41 °F
Chance Rain
Saturday
High: 49 °F
Chance Rain

Detailed Forecast

Tonight

Rain. The rain could be heavy at times. Temperature rising to around 46 by 4am. Calm wind. 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 52. West wind 7 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between 2 and 3 inches possible.

Wednesday Night

Rain. Low around 43. West wind 9 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.

Thursday

Rain. High near 48. West wind 7 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Thursday Night

Rain likely. Mostly cloudy, with a low around 41. Light west wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

Friday

Rain likely before 10am, then a chance of rain and snow between 10am and 1pm, then a chance of rain after 1pm. Mostly cloudy, with a high near 49. Chance of precipitation is 60%. Little or no snow accumulation expected.

Friday Night

A 40 percent chance of rain. Mostly cloudy, with a low around 41.

Saturday

A 30 percent chance of rain. Partly sunny, with a high near 49.

Saturday Night

A 50 percent chance of rain. Mostly cloudy, with a low around 39.

Sunday

Rain likely, mainly before 4pm. Mostly cloudy, with a high near 46.

Sunday Night

Rain likely. Mostly cloudy, with a low around 38.

Monday

Rain. Mostly cloudy, with a high near 46.