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.

31°F

-1°C

Humidity	100%
Wind Speed	NE 1 MPH
Barometer	NA
Dewpoint	31°F (-1°C)
Visibility	NA
Last update	07 Dec 09:06 PM PST

More Information:

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

Extended Forecast for

11 Miles E Twisp WA

Tonight
Low: 30 °F
Mostly Cloudy
then Chance
Snow
Monday
High: 37 °F
Rain/Snow
Monday Night
Low: 32 °F
Rain/Snow
then Chance
Rain/Snow
Tuesday
High: 36 °F
Chance Snow
then Snow
Likely
Tuesday Night
Low: 30 °F
Snow
Wednesday
High: 37 °F
Rain/Snow
Likely
Wednesday Night
Low: 30 °F
Chance
Rain/Snow
then Chance
Snow
Thursday
High: 35 °F
Chance Snow
Thursday Night
Low: 30 °F
Chance Snow
then Chance
Rain/Snow

Detailed Forecast

Tonight

A chance of snow between 1am and 4am. Mostly cloudy, with a low around 30. Southwest wind around 6 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

Monday

Rain, possibly mixed with snow, becoming all rain after 4pm. High near 37. Southeast wind 5 to 8 mph becoming southwest in the afternoon. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

Monday Night

Rain before 10pm, then a chance of rain and snow between 10pm and 4am, then a slight chance of rain after 4am. Low around 32. West wind 11 to 16 mph, with gusts as high as 26 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 36. West wind 6 to 11 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Tuesday Night

Snow. Low around 30. West wind around 6 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

Wednesday

Snow likely, possibly mixed with rain. Mostly cloudy, with a high near 37. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

Wednesday Night

A chance of rain and snow before 10pm, then a chance of snow. Mostly cloudy, with a low around 30. Chance of precipitation is 40%. New snow accumulation of 1 to 2 inches possible.

Thursday

A 40 percent chance of snow. Mostly cloudy, with a high near 35.

Thursday Night

A chance of snow before 1am, then a chance of rain and snow between 1am and 4am, then a chance of snow after 4am. Mostly cloudy, with a low around 30. Chance of precipitation is 40%.

Friday

A slight chance of snow before 7am, then a slight chance of rain and snow. Mostly cloudy, with a high near 35. Chance of precipitation is 20%.

Friday Night

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

Saturday

A chance of rain and snow. Mostly cloudy, with a high near 35. Chance of precipitation is 30%.

Saturday Night

A chance of rain and snow. Mostly cloudy, with a low around 31. Chance of precipitation is 40%.

Sunday

A 30 percent chance of snow. Partly sunny, with a high near 35.