Snow Squalls May Impact New Year's Eve Travel from the Great Lakes to the Mid-Atlantic; Heavy Rain & Isolated Severe Thunderstorms in Southern California

Snow squalls are likely to cross the Lower Great Lakes this evening and the Ohio Valley through the interior Northeast/northern Mid-Atlantic overnight, before potentially reaching the I-95 corridor from D.C. to New York City early New Year’s Day morning. Heavy rain and isolated severe thunderstorms will impact coastal southern California including Los Angeles tonight into early on New Year's Day. 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.

29°F

-2°C

Humidity	71%
Wind Speed	SE 1 MPH
Barometer	NA
Dewpoint	21°F (-6°C)
Visibility	NA
Last update	31 Dec 02:06 PM PST

More Information:

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

Extended Forecast for

Winthrop 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
This Afternoon
High: 30 °F
Sunny
Tonight
Low: 18 °F
Mostly Cloudy
New Year's Day
High: 30 °F
Mostly Cloudy
then Slight
Chance Snow
Thursday Night
Low: 25 °F
Chance Snow
Friday
High: 32 °F
Chance Snow
then Chance
Rain/Snow
Friday Night
Low: 30 °F
Rain/Snow
Likely
Saturday
High: 37 °F
Rain/Snow
then Rain
Saturday Night
Low: 32 °F
Rain Likely

Detailed Forecast

This Afternoon

Sunny, with a high near 30. Calm wind.

Tonight

Mostly cloudy, with a low around 18. Calm wind.

New Year's Day

A 10 percent chance of snow after 4pm. Mostly cloudy, with a high near 30. Calm wind.

Thursday Night

A 40 percent chance of snow, mainly after 10pm. Mostly cloudy, with a low around 25. Calm wind. New snow accumulation of less than a half inch possible.

Friday

A chance of snow before 4pm, then a chance of rain and snow. Mostly cloudy, with a high near 32. Calm wind. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

Friday Night

Rain and snow likely, mainly after 10pm. Mostly cloudy, with a low around 30. Chance of precipitation is 60%. Little or no snow accumulation expected.

Saturday

Rain and snow likely before 10am, then rain. High near 37. Chance of precipitation is 80%. Little or no snow accumulation expected.

Saturday Night

Rain likely. Mostly cloudy, with a low around 32. Chance of precipitation is 70%.

Sunday

Rain likely, mainly before 10am. Mostly cloudy, with a high near 38. Chance of precipitation is 60%.

Sunday Night

A 40 percent chance of rain. Mostly cloudy, with a low around 27.

Monday

A chance of rain and snow. Partly sunny, with a high near 37. Chance of precipitation is 40%.

Monday Night

A slight chance of rain and snow. Mostly cloudy, with a low around 24. Chance of precipitation is 20%.