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.

32°F

0°C

Humidity	100%
Wind Speed	NW 0 MPH
Barometer	NA
Dewpoint	32°F (0°C)
Visibility	NA
Last update	10 Dec 12:06 AM PST

More Information:

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

Extended Forecast for

10 Miles SSW Twisp WA

Overnight
Low: 33 °F
Rain/Snow
Wednesday
High: 42 °F
Heavy Rain
Wednesday Night
Low: 35 °F
Rain Likely
then
Rain/Snow
Likely
Thursday
High: 39 °F
Chance
Rain/Snow
then Chance
Snow
Thursday Night
Low: 34 °F
Chance Snow
Friday
High: 39 °F
Chance
Rain/Snow
Friday Night
Low: 34 °F
Chance Rain
then Mostly
Cloudy
Saturday
High: 36 °F
Partly Sunny
Saturday Night
Low: 33 °F
Chance
Rain/Snow

Detailed Forecast

Overnight

Rain, possibly mixed with snow. The rain could be heavy at times. Low around 33. Northeast wind 3 to 6 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 1 to 3 inches possible.

Wednesday

Rain. The rain could be heavy at times. High near 42. Light west wind becoming northwest 5 to 10 mph in the morning. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.

Wednesday Night

Rain likely before 4am, then a chance of rain and snow. Mostly cloudy, with a low around 35. West wind 8 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

Thursday

A chance of rain and snow before 10am, then a chance of snow after 4pm. Partly sunny, with a high near 39. Northwest wind 6 to 8 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

Thursday Night

A 30 percent chance of snow, mainly before 10pm. Mostly cloudy, with a low around 34. West wind 3 to 6 mph. Little or no snow accumulation expected.

Friday

A chance of rain and snow, mainly after 10am. Partly sunny, with a high near 39. Chance of precipitation is 30%. Little or no snow accumulation expected.

Friday Night

A 30 percent chance of rain before 10pm. Mostly cloudy, with a low around 34.

Saturday

Partly sunny, with a high near 36.

Saturday Night

A chance of rain and snow after 10pm. Mostly cloudy, with a low around 33. Chance of precipitation is 30%.

Sunday

A chance of rain and snow. Mostly cloudy, with a high near 37. Chance of precipitation is 50%.

Sunday Night

A chance of rain and snow. Mostly cloudy, with a low around 33. Chance of precipitation is 40%.

Monday

Rain and snow. High near 36. Chance of precipitation is 80%.