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	N 0 MPH
Barometer	30.02 in (1016.59 mb)
Dewpoint	32°F (0°C)
Visibility	0.50 mi
Last update	09 Dec 06:08 PM PST

More Information:

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

Extended Forecast for

4 Miles NNE Easton WA

Flood Watch December 9, 06:55pm until December 12, 07:00am

Click here for hazard details and duration

Flood Watch

Flood Watch December 9, 06:55pm until December 12, 07:00am
NOW until 7:00am Fri
Flood Watch
Tonight
Low: 33 °F⇑
Rain/Snow
then Heavy
Rain
Wednesday
High: 45 °F
Heavy Rain
and Breezy
Wednesday Night
Low: 36 °F
Rain and
Windy
Thursday
High: 39 °F
Rain/Snow and
Breezy
Thursday Night
Low: 37 °F
Rain/Snow
Likely
Friday
High: 40 °F
Chance
Rain/Snow
Friday Night
Low: 36 °F
Chance Rain
Saturday
High: 40 °F
Chance Rain

Detailed Forecast

Tonight

Rain, possibly mixed with snow, becoming all rain after 10pm. The rain could be heavy at times. Temperature rising to around 43 by 5am. East wind 7 to 14 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of less than one inch possible.

Wednesday

Rain. The rain could be heavy at times. High near 45. Breezy, with a west wind 23 to 28 mph, with gusts as high as 44 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

Wednesday Night

Rain. Low around 36. Windy, with a west wind 32 to 34 mph, with gusts as high as 49 mph. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.

Thursday

Rain, possibly mixed with snow. High near 39. Breezy, with a west wind 18 to 28 mph, with gusts as high as 32 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 37. West wind 11 to 13 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

Friday

A chance of rain and snow before 1pm, then a chance of rain. Mostly cloudy, with a high near 40. Chance of precipitation is 50%. Little or no snow accumulation expected.

Friday Night

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

Saturday

A 30 percent chance of rain. Partly sunny, with a high near 40.

Saturday Night

Rain likely, mainly after 4am. Mostly cloudy, with a low around 34. Chance of precipitation is 60%.

Sunday

Rain likely, possibly mixed with snow, mainly before 10am. Mostly cloudy, with a high near 36.

Sunday Night

Rain and snow likely. Mostly cloudy, with a low around 33.

Monday

Rain, possibly mixed with snow. Mostly cloudy, with a high near 37.