Strong Atmospheric River Bringing Heavy Rain to the Pacific Northwest; Areas of Snow in the North-Central and Eastern U.S.

A strong atmospheric river will bring prolonged heavy rainfall along with gusty winds to the Pacific Northwest through much of this week. The heavy rainfall may lead to widespread urban and river flooding. Accumulating snow is expected over parts of the central Appalachians and Mid-Atlantic today as well as the Upper Midwest and the Upper Great Lakes this evening into Tuesday. Read More >

Current conditions at

NCSB (NCSW1)

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

35°F

2°C

Humidity	97%
Wind Speed	NNW 1 MPH
Barometer	NA
Dewpoint	34°F (1°C)
Visibility	NA
Last update	08 Dec 02:06 PM PST

More Information:

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

Extended Forecast for

4 Miles NNW Winthrop WA

This Afternoon
High: 40 °F
Rain
Tonight
Low: 32 °F
Rain
Tuesday
High: 39 °F
Partly Sunny
then
Rain/Snow
Likely
Tuesday Night
Low: 32 °F
Rain/Snow
Wednesday
High: 42 °F
Rain
Wednesday Night
Low: 34 °F
Rain Likely
Thursday
High: 40 °F
Rain Likely
Thursday Night
Low: 33 °F
Chance
Rain/Snow
Friday
High: 41 °F
Chance
Rain/Snow
then Chance
Rain

Detailed Forecast

This Afternoon

Rain. High near 40. Southwest wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

Tonight

Rain before 1am. Low around 32. West wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Tuesday

Rain likely after 1pm, mixing with snow after 5pm. Increasing clouds, with a high near 39. West wind 5 to 9 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. Low around 32. Calm wind. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

Wednesday

Rain. High near 42. West wind 5 to 9 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 34. Chance of precipitation is 70%.

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 33. Chance of precipitation is 40%.

Friday

A slight chance of rain and snow before 10am, 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 35.

Saturday

A 30 percent chance of rain. Partly sunny, with a high near 41.