Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Hazardous Weather Conditions

Hydrologic Outlook

Current conditions at

NCSB (NCSW1)

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

32°F

0°C

Humidity	100%
Wind Speed	SE 1 MPH
Barometer	NA
Dewpoint	32°F (0°C)
Visibility	NA
Last update	08 Dec 12:06 AM PST

More Information:

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

Extended Forecast for

4 Miles W Winthrop WA

Overnight
Low: 32 °F
Snow Likely
Monday
High: 36 °F
Rain/Snow
then Rain
Monday Night
Low: 31 °F
Rain
Tuesday
High: 40 °F
Chance
Rain/Snow
then
Rain/Snow
Tuesday Night
Low: 30 °F
Rain/Snow
Wednesday
High: 40 °F
Rain
Wednesday Night
Low: 29 °F
Chance
Rain/Snow
Thursday
High: 38 °F
Chance
Rain/Snow
Thursday Night
Low: 31 °F
Chance
Rain/Snow

Detailed Forecast

Overnight

Snow likely, mainly between 1am and 4am. Mostly cloudy, with a steady temperature around 32. Calm wind. Chance of precipitation is 60%. Little or no snow accumulation expected.

Monday

Snow likely before 10am, then rain, possibly mixed with snow between 10am and noon, then rain after noon. High near 36. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 90%. Little or no snow accumulation expected.

Monday Night

Rain, mainly before 4am. Low around 31. West wind around 10 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

A chance of rain and snow before 1pm, then rain. High near 40. West wind around 7 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

Tuesday Night

Rain before 10pm, then rain, possibly mixed with snow. Low around 30. Calm wind. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

Wednesday

Rain. High near 40. Chance of precipitation is 80%.

Wednesday Night

A chance of rain and snow before 4am, then a chance of snow. Mostly cloudy, with a low around 29. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

Thursday

A chance of snow before 10am, then a chance of rain and snow. Mostly cloudy, with a high near 38. Chance of precipitation is 50%.

Thursday Night

A chance of rain and snow. Mostly cloudy, with a low around 31. Chance of precipitation is 50%.

Friday

A chance of rain and snow before 1pm, then a chance of rain. Mostly cloudy, with a high near 40. Chance of precipitation is 40%.

Friday Night

A chance of rain and snow. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.

Saturday

A chance of rain and snow. Mostly cloudy, with a high near 41. Chance of precipitation is 40%.

Saturday Night

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