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.

34°F

1°C

Humidity	100%
Wind Speed	NNW 3 MPH
Barometer	NA
Dewpoint	34°F (1°C)
Visibility	NA
Last update	07 Dec 03:06 PM PST

More Information:

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

Extended Forecast for

10 Miles W Twisp WA

This Afternoon
High: 37 °F
Rain/Snow
Likely
Tonight
Low: 33 °F
Rain/Snow
Likely then
Snow Likely
Monday
High: 41 °F
Rain/Snow
then Rain
Monday Night
Low: 33 °F
Rain/Snow
Tuesday
High: 40 °F
Chance Snow
then Chance
Rain/Snow
Tuesday Night
Low: 33 °F
Rain/Snow
Wednesday
High: 41 °F
Rain/Snow
Wednesday Night
Low: 31 °F
Rain/Snow
Likely
Thursday
High: 39 °F
Rain/Snow
Likely

Detailed Forecast

This Afternoon

Snow likely before 4pm, then rain and snow likely between 4pm and 5pm, then snow likely after 5pm. Mostly cloudy, with a high near 37. East wind around 5 mph. Chance of precipitation is 60%. Total daytime snow accumulation of around an inch possible.

Tonight

Rain and snow likely, becoming all snow after 11pm. Mostly cloudy, with a low around 33. East wind around 5 mph becoming calm after midnight. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Monday

Snow likely before 10am, then rain, possibly mixed with snow between 10am and 11am, then rain after 11am. High near 41. Calm wind becoming southwest 5 to 8 mph in the afternoon. Chance of precipitation is 100%. Little or no snow accumulation expected.

Monday Night

Rain before 10pm, then snow, possibly mixed with rain. Low around 33. West wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

Tuesday

A chance of snow before 1pm, then a chance of rain between 1pm and 2pm, then a chance of snow after 2pm. Partly sunny, with a high near 40. West wind around 7 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

Tuesday Night

Rain, possibly mixed with snow. Low around 33. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

Wednesday

Rain and snow before 10am, then rain between 10am and 4pm, then rain and snow likely after 4pm. High near 41. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

Wednesday Night

Rain and snow likely before 4am, then a chance of snow. Mostly cloudy, with a low around 31. Chance of precipitation is 60%.

Thursday

A chance of snow before 7am, then snow likely, possibly mixed with rain. Partly sunny, with a high near 39. Chance of precipitation is 60%.

Thursday Night

Snow likely, possibly mixed with rain, mainly before 10pm. Mostly cloudy, with a low around 34. Chance of precipitation is 60%.

Friday

A chance of rain and snow. Mostly cloudy, with a high near 41. Chance of precipitation is 40%.

Friday Night

A chance of rain and snow. Mostly cloudy, with a low around 35. Chance of precipitation is 40%.

Saturday

Rain and snow likely. Partly sunny, with a high near 42. Chance of precipitation is 60%.