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 >

Current conditions at

NCSB (NCSW1)

Lat: 48.42528°NLon: 120.14194°WElev: 1697.0ft.

34°F

1°C

Humidity	97%
Wind Speed	WNW 1 MPH
Barometer	NA
Dewpoint	33°F (1°C)
Visibility	NA
Last update	09 Dec 08:06 PM PST

More Information:

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

Extended Forecast for

3 Miles SSE Winthrop WA

Tonight
Low: 34 °F
Rain/Snow
then Rain
Wednesday
High: 48 °F
Rain
Wednesday Night
Low: 35 °F
Rain
Thursday
High: 46 °F
Chance Rain
Thursday Night
Low: 31 °F
Chance
Rain/Snow
Friday
High: 45 °F
Chance Rain
Friday Night
Low: 31 °F
Chance Rain
Saturday
High: 42 °F
Slight Chance
Rain
Saturday Night
Low: 30 °F
Chance Rain

Detailed Forecast

Tonight

Rain, possibly mixed with snow, becoming all rain after midnight. Steady temperature around 34. Calm wind. Chance of precipitation is 100%. Little or no snow accumulation expected.

Wednesday

Rain. High near 48. North wind 7 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

Wednesday Night

Rain. Low around 35. North wind 6 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

Thursday

A 50 percent chance of rain. Partly sunny, with a high near 46. Northwest wind 6 to 16 mph, with gusts as high as 26 mph. New precipitation amounts of less than a tenth of an inch possible.

Thursday Night

A chance of rain before 10pm, then a chance of rain and snow. Mostly cloudy, with a low around 31. Northwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 40%. Little or no snow accumulation expected.

Friday

A 30 percent chance of rain, mainly after 10am. Partly sunny, with a high near 45.

Friday Night

A 30 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 31.

Saturday

A 20 percent chance of rain after 10am. Partly sunny, with a high near 42.

Saturday Night

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

Sunday

A 40 percent chance of rain. Partly sunny, with a high near 43.

Sunday Night

A 40 percent chance of rain. Mostly cloudy, with a low around 30.