Prolonged Atmospheric River in the Northwest; Snow in the North-Central US

A prolonged atmospheric river will bring heavy rainfall which may lead to widespread urban and river flooding, heavy mountain snow, along with gusty winds to the Pacific Northwest into the northern Rockies through much of the week. A clipper will bring a period of snow across the upper Midwest and the Great Lakes into Tuesday, before a stronger system bring more wintry impacts. Read More >

Current conditions at

NCSB (NCSW1)

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

34°F

1°C

Humidity	100%
Wind Speed	NNW 3 MPH
Barometer	NA
Dewpoint	34°F (1°C)
Visibility	NA
Last update	08 Dec 06:06 PM PST

More Information:

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

Extended Forecast for

14 Miles SSW Twisp WA

Tonight
Low: 30 °F
Rain/Snow
Tuesday
High: 36 °F
Partly Sunny
then Heavy
Snow
Tuesday Night
Low: 30 °F⇑
Rain/Snow
Wednesday
High: 41 °F
Rain
Wednesday Night
Low: 34 °F
Rain/Snow
Likely
Thursday
High: 38 °F
Rain/Snow
Likely
Thursday Night
Low: 32 °F
Chance
Rain/Snow
Friday
High: 39 °F
Slight Chance
Rain/Snow
Friday Night
Low: 33 °F
Slight Chance
Rain/Snow

Detailed Forecast

Tonight

Rain, possibly mixed with snow before 2am, then a chance of snow. The rain could be heavy at times. Low around 30. West wind 11 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of less than a half inch possible.

Tuesday

Snow likely, mainly after 4pm. The snow could be heavy at times. Increasing clouds, with a high near 36. West wind 6 to 11 mph becoming light southwest in the afternoon. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

Tuesday Night

Snow before 10pm, then rain, possibly mixed with snow. The snow could be heavy at times. Temperature falling to near 30 by 8pm, then rising to around 37 during the remainder of the night. Light southwest wind. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

Wednesday

Rain. High near 41. West wind around 7 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between three quarters and one inch possible.

Wednesday Night

Rain likely, possibly mixed with snow. Mostly cloudy, with a low around 34. West wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

Thursday

Rain and snow likely, mainly before 4pm. Mostly cloudy, with a high near 38. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

Thursday Night

A chance of rain and snow, mainly before 10pm. Mostly cloudy, with a low around 32. Chance of precipitation is 30%. Little or no snow accumulation expected.

Friday

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

Friday Night

A slight chance of rain and snow before 1am, then a slight chance of rain. Mostly cloudy, with a low around 33. Chance of precipitation is 20%.

Saturday

A slight chance of rain before 7am, then a chance of rain and snow. Partly sunny, with a high near 38. Chance of precipitation is 30%.

Saturday Night

A chance of rain and snow. Mostly cloudy, with a low around 32. Chance of precipitation is 50%.

Sunday

A chance of rain and snow. Partly sunny, with a high near 36. Chance of precipitation is 50%.

Sunday Night

A 50 percent chance of snow. Mostly cloudy, with a low around 30.