Lake Effect Snow through Friday; Heavy Rain, Thunderstorms and Mountain Snow in California

Periods of moderate to heavy lake effect snow will continue through Friday downwind of Lake Erie and Ontario. Several additional inches of accumulating snow are expected. A Pacific storm will bring heavy rain and mountain snow across California, the Southwest and Intermountain West today. Isolated severe thunderstorms and scattered flash flooding is possible across parts of southern California. Read More >

Hazardous Weather Conditions

Air Stagnation Advisory in effect from December 29, 11:45 AM PST until January 1, 12:00 PM PST

Current conditions at

NCSB (NCSW1)

Lat: 48.42528°NLon: 120.14194°WElev: 1697.0ft.

10°F

-12°C

Humidity	88%
Wind Speed	NNW 2 MPH
Barometer	NA
Dewpoint	7°F (-14°C)
Visibility	NA
Last update	01 Jan 06:06 AM PST

More Information:

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

Extended Forecast for

10 Miles E Twisp WA

Air Stagnation Advisory until January 1, 12:00pm

Click here for hazard details and duration

Air Stagnation Advisory

Air Stagnation Advisory until January 1, 12:00pm
NOW until 12:00pm Thu
Air Stagnation Advisory
New Year's Day
High: 30 °F
Mostly Cloudy
then Slight
Chance Snow
Tonight
Low: 26 °F
Chance Snow
Friday
High: 29 °F
Chance Snow
Friday Night
Low: 28 °F
Snow Likely
Saturday
High: 32 °F
Rain/Snow
Saturday Night
Low: 32 °F
Rain/Snow
Likely
Sunday
High: 34 °F
Chance
Rain/Snow
then Chance
Snow
Sunday Night
Low: 28 °F
Slight Chance
Snow

Detailed Forecast

New Year's Day

A 20 percent chance of snow after 1pm. Cloudy, with a high near 30. Light and variable wind.

Tonight

A 40 percent chance of snow. Cloudy, with a low around 26. Calm wind. New snow accumulation of less than a half inch possible.

Friday

A 30 percent chance of snow, mainly before 10am. Mostly cloudy, with a high near 29. Calm wind becoming southwest around 5 mph in the afternoon. Little or no snow accumulation expected.

Friday Night

Snow likely, mainly after 4am. Cloudy, with a low around 28. Calm wind. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Saturday

Rain, possibly mixed with snow, mainly before 4pm. High near 32. Light and variable wind becoming southwest around 5 mph in the morning. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

Saturday Night

Snow likely, possibly mixed with rain. Mostly cloudy, with a low around 32. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Sunday

A chance of rain and snow before 7am, then a chance of snow. Mostly cloudy, with a high near 34. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

Sunday Night

A 20 percent chance of snow. Mostly cloudy, with a low around 28.

Monday

A 20 percent chance of snow. Partly sunny, with a high near 33.

Monday Night

Mostly cloudy, with a low around 25.

Tuesday

A 20 percent chance of snow. Mostly cloudy, with a high near 32.

Tuesday Night

A 40 percent chance of snow. Mostly cloudy, with a low around 26.

Wednesday

A 40 percent chance of snow. Partly sunny, with a high near 33.