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	WNW 3 MPH
Barometer	NA
Dewpoint	32°F (0°C)
Visibility	NA
Last update	07 Dec 07:06 PM PST

More Information:

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

Extended Forecast for

13 Miles SW Twisp WA

Tonight
Low: 22 °F
Chance Snow
Monday
High: 29 °F
Heavy Snow
Monday Night
Low: 22 °F
Heavy Snow
and Windy
Tuesday
High: 25 °F
Chance Snow
and Breezy
Tuesday Night
Low: 22 °F
Heavy Snow
Wednesday
High: 27 °F
Heavy Snow
Wednesday Night
Low: 21 °F
Heavy Snow
Thursday
High: 25 °F
Heavy Snow
Thursday Night
Low: 23 °F
Chance Snow

Detailed Forecast

Tonight

A chance of snow between 10pm and 4am. Mostly cloudy, with a low around 22. West wind around 15 mph, with gusts as high as 28 mph. Chance of precipitation is 50%. Total nighttime snow accumulation of around an inch possible.

Monday

Snow, mainly after 7am. The snow could be heavy at times. High near 29. West wind 11 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.

Monday Night

Snow. The snow could be heavy at times. Low around 22. Windy, with a west wind 21 to 25 mph, with gusts as high as 41 mph. Chance of precipitation is 90%. New snow accumulation of 6 to 10 inches possible.

Tuesday

A 50 percent chance of snow. Partly sunny, with a high near 25. Breezy, with a west wind 18 to 23 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 37 mph. New snow accumulation of 1 to 3 inches possible.

Tuesday Night

Snow. The snow could be heavy at times. Low around 22. West wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of 8 to 12 inches possible.

Wednesday

Snow. The snow could be heavy at times. High near 27. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

Wednesday Night

Snow likely, mainly before 10pm. The snow could be heavy at times. Mostly cloudy, with a low around 21. Chance of precipitation is 60%. New snow accumulation of 7 to 11 inches possible.

Thursday

A 50 percent chance of snow. The snow could be heavy at times. Partly sunny, with a high near 25.

Thursday Night

A 50 percent chance of snow. Mostly cloudy, with a low around 23.

Friday

A 40 percent chance of snow. Mostly cloudy, with a high near 28.

Friday Night

A 30 percent chance of snow. Mostly cloudy, with a low around 25.

Saturday

Snow likely. Partly sunny, with a high near 27. Chance of precipitation is 60%.

Saturday Night

Snow likely. Mostly cloudy, with a low around 23. Chance of precipitation is 60%.