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.

35°F

2°C

Humidity	96%
Wind Speed	NNW 1 MPH
Barometer	NA
Dewpoint	34°F (1°C)
Visibility	NA
Last update	09 Dec 07:06 PM PST

More Information:

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

Extended Forecast for

10 Miles N Winthrop WA

Tonight
Low: 34 °F⇑
Heavy Snow
then
Rain/Snow
Wednesday
High: 42 °F
Rain
Wednesday Night
Low: 40 °F
Rain
Thursday
High: 39 °F
Rain/Snow
Likely
Thursday Night
Low: 34 °F
Chance Snow
then Chance
Rain/Snow
Friday
High: 41 °F
Chance
Rain/Snow
Friday Night
Low: 34 °F
Chance
Rain/Snow
Saturday
High: 37 °F
Chance
Rain/Snow
Saturday Night
Low: 33 °F
Chance
Rain/Snow
then Chance
Rain

Detailed Forecast

Tonight

Snow before 2am, then rain, possibly mixed with snow between 2am and 3am, then rain after 3am. The snow could be heavy at times. Temperature rising to around 38 by 5am. Light northeast wind. Chance of precipitation is 100%. Total nighttime snow accumulation of 3 to 5 inches possible.

Wednesday

Rain. High near 42. Light and variable wind becoming north around 6 mph in the morning. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

Wednesday Night

Rain. Steady temperature around 40. West wind around 6 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Thursday

Rain likely before 10am, then a chance of rain and snow. Partly sunny, with a high near 39. West wind 6 to 8 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

Thursday Night

A chance of snow before 4am, then a chance of rain and snow. Mostly cloudy, with a low around 34. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%. 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 41. Chance of precipitation is 50%. Little or no snow accumulation expected.

Friday Night

A chance of rain before 10pm, then a slight chance of rain and snow. Mostly cloudy, with a low around 34. Chance of precipitation is 40%. Little or no snow accumulation expected.

Saturday

A chance of rain and snow, mainly after 4pm. Partly sunny, with a high near 37. Chance of precipitation is 30%.

Saturday Night

A chance of rain and snow before 10pm, then a chance of rain. Mostly cloudy, with a low around 33. Chance of precipitation is 40%.

Sunday

A 50 percent chance of rain. Mostly cloudy, with a high near 37.

Sunday Night

A chance of rain and snow. Mostly cloudy, with a low around 32. Chance of precipitation is 50%.

Monday

Rain and snow. High near 36. Chance of precipitation is 80%.

Monday Night

Rain, possibly mixed with snow. Low around 33. Chance of precipitation is 90%.