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.

35°F

2°C

Humidity	97%
Wind Speed	N 1 MPH
Barometer	NA
Dewpoint	34°F (1°C)
Visibility	NA
Last update	07 Dec 01:06 PM PST

More Information:

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

Extended Forecast for

9 Miles SE Twisp WA

This Afternoon
High: 33 °F
Chance Snow
Tonight
Low: 31 °F
Chance Snow
Monday
High: 34 °F
Snow Likely
then
Rain/Snow
Monday Night
Low: 29 °F
Rain/Snow and
Breezy
Tuesday
High: 34 °F
Chance Snow
then Snow
Likely
Tuesday Night
Low: 28 °F
Snow
Wednesday
High: 35 °F
Snow then
Rain/Snow
Likely
Wednesday Night
Low: 28 °F
Chance Snow
Thursday
High: 32 °F
Chance Snow

Detailed Forecast

This Afternoon

A 30 percent chance of snow, mainly after 4pm. Partly sunny, with a high near 33. Southwest wind around 6 mph. Total daytime snow accumulation of less than one inch possible.

Tonight

A 30 percent chance of snow between 1am and 4am. Mostly cloudy, with a steady temperature around 31. West wind around 7 mph becoming southeast in the evening. Little or no snow accumulation expected.

Monday

Rain, possibly mixed with snow, becoming all rain after 4pm. High near 34. South wind around 7 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

Monday Night

Rain and snow, becoming all snow after 1am, then gradually ending. Low around 29. Breezy, with a west wind 16 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

Tuesday

Snow likely, mainly after 4pm. Partly sunny, with a high near 34. West wind 12 to 17 mph decreasing to 6 to 11 mph in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Tuesday Night

Snow. Low around 28. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

Wednesday

Snow before 1pm, then snow likely, possibly mixed with rain. High near 35. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

Wednesday Night

A 40 percent chance of snow. Mostly cloudy, with a low around 28.

Thursday

A 40 percent chance of snow. Partly sunny, with a high near 32.

Thursday Night

A 40 percent chance of snow. Mostly cloudy, with a low around 29.

Friday

A slight chance of rain and snow. Mostly cloudy, with a high near 33. Chance of precipitation is 20%.

Friday Night

A slight chance of rain and snow. Mostly cloudy, with a low around 30. Chance of precipitation is 20%.

Saturday

A 30 percent chance of snow. Mostly cloudy, with a high near 33.