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.

37°F

3°C

Humidity	93%
Wind Speed	NNW 5 MPH
Barometer	NA
Dewpoint	35°F (2°C)
Visibility	NA
Wind Chill	33°F (1°C)
Last update	09 Dec 03:06 AM PST

More Information:

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

Extended Forecast for

10 Miles SSW Twisp WA

Today
High: 34 °F
Partly Sunny
then Chance
Snow
Tonight
Low: 32 °F⇑
Snow then
Rain/Snow
Wednesday
High: 39 °F
Rain
Wednesday Night
Low: 35 °F
Rain/Snow
Thursday
High: 37 °F
Rain/Snow
Likely
Thursday Night
Low: 34 °F
Chance Snow
then Slight
Chance
Rain/Snow
Friday
High: 38 °F
Slight Chance
Rain/Snow
Friday Night
Low: 33 °F
Slight Chance
Rain/Snow
Saturday
High: 34 °F
Chance
Rain/Snow

Detailed Forecast

Today

A 30 percent chance of snow, mainly after 4pm. Mostly cloudy, with a high near 34. West wind 10 to 15 mph becoming light and variable in the afternoon. Winds could gust as high as 23 mph. Total daytime snow accumulation of less than one inch possible.

Tonight

Snow before midnight, then rain, possibly mixed with snow. Temperature rising to around 35 by 5am. Calm wind becoming northeast around 6 mph after midnight. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

Wednesday

Rain. High near 39. West wind 6 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

Wednesday Night

Rain, possibly mixed with snow. Low around 35. West wind around 8 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

Thursday

Rain likely, possibly mixed with snow before 1pm, then a chance of snow. Mostly cloudy, with a high near 37. West wind around 6 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

Thursday Night

A chance of snow, possibly mixing with rain after 1am, then gradually ending. Mostly cloudy, with a low around 34. Chance of precipitation is 30%. Little or no snow accumulation expected.

Friday

A slight chance of rain and snow between 10am and 4pm, then a slight chance of rain after 4pm. Partly sunny, with a high near 38. Chance of precipitation is 20%.

Friday Night

A slight chance of rain, mixing with snow after 7pm, then gradually ending. Mostly cloudy, with a low around 33. Chance of precipitation is 20%.

Saturday

A chance of rain and snow, mainly after 4pm. Partly sunny, with a high near 34. Chance of precipitation is 30%.

Saturday Night

A chance of rain and snow before 7pm, then a chance of snow. Mostly cloudy, with a low around 31. Chance of precipitation is 50%.

Sunday

A 40 percent chance of snow. Partly sunny, with a high near 35.

Sunday Night

A 40 percent chance of snow. Mostly cloudy, with a low around 32.

Monday

Rain and snow. High near 36. Chance of precipitation is 80%.