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	94%
Wind Speed	SE 1 MPH
Barometer	NA
Dewpoint	33°F (1°C)
Visibility	NA
Last update	09 Dec 06:06 PM PST

More Information:

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

Extended Forecast for

10 Miles ENE Twisp WA

Tonight
Low: 31 °F⇑
Snow then
Rain/Snow
Wednesday
High: 43 °F
Rain Likely
and Breezy
Wednesday Night
Low: 35 °F
Rain Likely
Thursday
High: 39 °F
Chance
Rain/Snow
Thursday Night
Low: 32 °F
Chance Snow
Friday
High: 39 °F
Slight Chance
Rain/Snow
Friday Night
Low: 30 °F
Slight Chance
Rain/Snow
then Mostly
Cloudy
Saturday
High: 35 °F
Mostly Cloudy
then Slight
Chance
Rain/Snow
Saturday Night
Low: 30 °F
Chance
Rain/Snow

Detailed Forecast

Tonight

Snow before 2am, then rain, possibly mixed with snow. Temperature falling to near 31 by 9pm, then rising to around 37 during the remainder of the night. South wind around 6 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 2 to 4 inches possible.

Wednesday

Rain likely, mainly after 4pm. Mostly cloudy, with a high near 43. Breezy, with a west wind 14 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

Wednesday Night

Rain likely, mainly after 10pm. Mostly cloudy, with a low around 35. West wind 10 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

Thursday

A chance of rain and snow before 1pm, then a chance of snow. Partly sunny, with a high near 39. West wind 7 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

Thursday Night

A 30 percent chance of snow, mainly before 10pm. Mostly cloudy, with a low around 32. Northwest wind around 7 mph. Little or no snow accumulation expected.

Friday

A slight chance of rain and snow between 10am and 1pm, then a slight chance of rain after 1pm. Partly sunny, with a high near 39. Chance of precipitation is 20%.

Friday Night

A slight chance of rain, mixing with snow after 7pm, then gradually ending. Mostly cloudy, with a low around 30. Chance of precipitation is 20%.

Saturday

A slight chance of rain and snow after 4pm. Mostly cloudy, with a high near 35. Chance of precipitation is 10%.

Saturday Night

A chance of rain and snow, mainly after 10pm. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.

Sunday

A chance of rain and snow. Partly sunny, with a high near 36. Chance of precipitation is 30%.

Sunday Night

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

Monday

Rain and snow. High near 35. Chance of precipitation is 80%.