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 which has lead to areas of urban and river flooding along with 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.

light snow,fog

32°F

0°C

Humidity	100%
Wind Speed	N 3 MPH
Barometer	30.05 in (1017.61 mb)
Dewpoint	32°F (0°C)
Visibility	0.50 mi
Last update	09 Dec 04:25 PM PST

More Information:

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

Extended Forecast for

14 Miles N Roslyn WA

Flood Watch December 9, 04:32pm until December 12, 07:00am

Click here for hazard details and duration

Flood Watch

Flood Watch December 9, 04:32pm until December 12, 07:00am
NOW until 7:00am Fri
Flood Watch
This Afternoon
High: 38 °F
Rain/Snow
Tonight
Low: 36 °F⇑
Rain/Snow
then Heavy
Rain
Wednesday
High: 47 °F
Heavy Rain
Wednesday Night
Low: 38 °F
Rain
Thursday
High: 43 °F
Rain/Snow
Thursday Night
Low: 38 °F
Rain/Snow
Likely
Friday
High: 44 °F
Rain/Snow
Likely
Friday Night
Low: 38 °F
Chance Rain

Detailed Forecast

This Afternoon

Snow, possibly mixed with rain. High near 38. Light south wind. Chance of precipitation is 100%. Total daytime snow accumulation of less than a half inch possible.

Tonight

Rain, possibly mixed with snow, becoming all rain after 10pm. The rain could be heavy at times. Temperature rising to around 42 by 4am. Southwest wind 3 to 6 mph. Chance of precipitation is 100%. New snow accumulation of around an inch possible.

Wednesday

Rain. The rain could be heavy at times. High near 47. West wind 10 to 14 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New precipitation amounts between 2 and 3 inches possible.

Wednesday Night

Rain. Low around 38. West wind around 16 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

Thursday

Rain, possibly mixed with snow. High near 43. West wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

Thursday Night

Rain likely, possibly mixed with snow. Mostly cloudy, with a low around 38. Chance of precipitation is 70%. Little or no snow accumulation expected.

Friday

Rain likely, possibly mixed with snow before 1pm, then a chance of rain. Mostly cloudy, with a high near 44. 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 38.

Saturday

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

Saturday Night

A chance of rain. Mostly cloudy, with a low around 36.

Sunday

Rain likely. Mostly cloudy, with a high near 41.

Sunday Night

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

Monday

Rain, possibly mixed with snow. Mostly cloudy, with a high near 41.