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.

rain,fog

44°F

7°C

Humidity	100%
Wind Speed	NA 4 MPH
Barometer	29.88 in (1011.85 mb)
Dewpoint	44°F (7°C)
Visibility	0.50 mi
Wind Chill	42°F (6°C)
Last update	10 Dec 02:56 AM PST

More Information:

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

Extended Forecast for

12 Miles E Greenwater WA

Flood Watch December 10, 03:48am until December 12, 07:00am

Click here for hazard details and duration

Flood Watch

Flood Watch December 10, 03:48am until December 12, 07:00am
NOW until 7:00am Fri
Flood Watch
Overnight
Low: 32 °F
Heavy Rain
and Breezy
Wednesday
High: 42 °F
Rain and
Breezy
Wednesday Night
Low: 34 °F
Rain and
Windy
Thursday
High: 39 °F
Rain/Snow and
Breezy
Thursday Night
Low: 35 °F
Rain/Snow
Likely
Friday
High: 38 °F
Rain Likely
Friday Night
Low: 34 °F
Chance Rain
Saturday
High: 42 °F
Slight Chance
Rain

Detailed Forecast

Overnight

Rain. The rain could be heavy at times. Low around 32. Breezy, with a west wind around 25 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Wednesday

Rain. High near 42. Breezy, with a west wind 25 to 29 mph, with gusts as high as 43 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

Wednesday Night

Rain. Low around 34. Windy, with a west wind 29 to 32 mph, with gusts as high as 44 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 23 to 28 mph decreasing to 17 to 22 mph in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

Thursday Night

Rain likely, possibly mixed with snow before 10pm, then rain likely between 10pm and 1am, then rain and snow likely after 1am. Mostly cloudy, with a low around 35. West wind around 9 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

Friday

Rain likely, mainly before 4pm. Mostly cloudy, with a high near 38. Chance of precipitation is 60%.

Friday Night

A 30 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 34.

Saturday

A 20 percent chance of rain. Mostly sunny, with a high near 42.

Saturday Night

Rain, mainly after 4am. Low around 33. Chance of precipitation is 80%.

Sunday

Rain, possibly mixed with snow. Mostly cloudy, with a high near 36.

Sunday Night

Rain likely, possibly mixed with snow. Mostly cloudy, with a low around 34.