Prolonged Atmospheric River in the Northwest; Snow in the North-Central US

A prolonged atmospheric river will bring heavy rainfall which may lead to widespread urban and river flooding, heavy mountain snow, along with gusty winds to the Pacific Northwest into the northern Rockies through much of the week. A clipper will bring a period of snow across the upper Midwest and the Great Lakes into Tuesday, before a stronger system bring more wintry impacts. Read More >

Current conditions at

NCSB (NCSW1)

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

34°F

1°C

Humidity	100%
Wind Speed	N 2 MPH
Barometer	NA
Dewpoint	34°F (1°C)
Visibility	NA
Last update	08 Dec 09:06 PM PST

More Information:

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

Extended Forecast for

4 Miles W Winthrop WA

Tonight
Low: 30 °F
Rain then
Rain/Snow
Tuesday
High: 40 °F
Partly Sunny
then
Rain/Snow
Likely
Tuesday Night
Low: 34 °F
Rain/Snow
Wednesday
High: 42 °F
Rain
Wednesday Night
Low: 33 °F
Rain Likely
Thursday
High: 40 °F
Rain Likely
Thursday Night
Low: 31 °F
Chance
Rain/Snow
Friday
High: 41 °F
Chance
Rain/Snow
Friday Night
Low: 33 °F
Chance Rain

Detailed Forecast

Tonight

Rain before 3am, then a chance of rain and snow. Low around 30. West wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

Tuesday

A slight chance of rain between 1pm and 4pm, then rain likely, possibly mixed with snow. Increasing clouds, with a high near 40. West wind 5 to 10 mph becoming light and variable in the afternoon. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Tuesday Night

Rain, possibly mixed with snow. Steady temperature around 34. Calm wind. Chance of precipitation is 100%. New snow accumulation of around an inch possible.

Wednesday

Rain. High near 42. West wind 3 to 8 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

Wednesday Night

Rain likely. Mostly cloudy, with a low around 33. West wind around 6 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

Thursday

Rain likely, mainly before 10am. Mostly cloudy, with a high near 40. Chance of precipitation is 60%.

Thursday Night

A chance of rain and snow, mainly before 4am. Mostly cloudy, with a low around 31. 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 30%.

Friday Night

A 30 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 33.

Saturday

A 30 percent chance of rain, mainly after 10am. Partly sunny, with a high near 41.

Saturday Night

Rain likely, possibly mixed with snow. Mostly cloudy, with a low around 31. Chance of precipitation is 60%.

Sunday

A chance of rain and snow. Partly sunny, with a high near 40. Chance of precipitation is 50%.

Sunday Night

A chance of rain and snow. Mostly cloudy, with a low around 29. Chance of precipitation is 50%.