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 >

Hazardous Weather Conditions

Hydrologic Outlook

Current conditions at

NCSB (NCSW1)

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

35°F

2°C

Humidity	97%
Wind Speed	N 1 MPH
Barometer	NA
Dewpoint	34°F (1°C)
Visibility	NA
Last update	08 Dec 12:06 PM PST

More Information:

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

Extended Forecast for

Winthrop WA

This Afternoon
High: 40 °F
Rain
Tonight
Low: 31 °F
Rain
Tuesday
High: 42 °F
Partly Sunny
then Rain
Likely
Tuesday Night
Low: 31 °F
Rain/Snow
Wednesday
High: 45 °F
Rain
Wednesday Night
Low: 33 °F
Rain Likely
Thursday
High: 43 °F
Rain Likely
Thursday Night
Low: 30 °F
Chance Rain
Friday
High: 44 °F
Slight Chance
Rain

Detailed Forecast

This Afternoon

Rain. Steady temperature around 40. Light and variable wind becoming southwest 5 to 7 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Tonight

Rain before 1am. Low around 31. West wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Tuesday

Rain likely, mainly after 4pm. Increasing clouds, with a high near 42. West wind 5 to 7 mph becoming calm in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Tuesday Night

Rain, possibly mixed with snow. Low around 31. Calm wind. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

Wednesday

Rain. High near 45. West wind 3 to 8 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

Wednesday Night

Rain likely. Mostly cloudy, with a low around 33. Chance of precipitation is 70%.

Thursday

Rain likely, mainly before 10am. Mostly cloudy, with a high near 43. Chance of precipitation is 60%.

Thursday Night

A 40 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 30.

Friday

A 20 percent chance of rain. Mostly cloudy, with a high near 44.