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

Chief Joseph Dam (CJDW)

Lat: 47.99083°NLon: 119.63556°WElev: 996.0ft.

32°F

0°C

Humidity	74%
Wind Speed	WNW 1 MPH
Barometer	NA
Dewpoint	25°F (-4°C)
Visibility	NA
Last update	31 Dec 01:00 PM PST

More Information:

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

Extended Forecast for

4 Miles W Brewster 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: 33 °F
Sunny
Tonight
Low: 26 °F
Partly Cloudy
then Patchy
Freezing Fog
New Year's Day
High: 31 °F
Patchy
Freezing Fog
then Cloudy
Thursday Night
Low: 28 °F
Chance Snow
then Chance
Wintry Mix
Friday
High: 33 °F
Chance Wintry
Mix
Friday Night
Low: 33 °F
Chance
Rain/Snow
then Chance
Rain
Saturday
High: 37 °F
Rain Likely
Saturday Night
Low: 36 °F
Chance Rain

Detailed Forecast

This Afternoon

Sunny, with a high near 33. Calm wind.

Tonight

Patchy freezing fog after 4am. Increasing clouds, with a low around 26. Light north wind.

New Year's Day

Patchy freezing fog before 10am. Mostly cloudy, with a high near 31. Calm wind.

Thursday Night

A chance of snow before 4am, then a slight chance of snow and freezing rain. Cloudy, with a low around 28. Calm wind. Chance of precipitation is 30%. Little or no snow accumulation expected.

Friday

A chance of rain, snow, and freezing rain before 1pm, then a chance of snow between 1pm and 4pm. Mostly cloudy, with a high near 33. Light and variable wind. Chance of precipitation is 30%. Little or no snow accumulation expected.

Friday Night

A chance of rain before 7pm, then a chance of rain and snow between 7pm and 10pm, then a chance of rain after 10pm. Snow level 2000 feet rising to 4100 feet after midnight. Mostly cloudy, with a low around 33. Chance of precipitation is 40%. Little or no snow accumulation expected.

Saturday

Rain likely. Snow level 3100 feet rising to 4600 feet in the afternoon. Mostly cloudy, with a high near 37. Chance of precipitation is 70%.

Saturday Night

A 50 percent chance of rain. Mostly cloudy, with a low around 36.

Sunday

A 40 percent chance of rain, mainly before 4pm. Snow level 4200 feet. Mostly cloudy, with a high near 40.

Sunday Night

A 30 percent chance of rain, mainly between 10pm and 4am. Snow level 3800 feet. Mostly cloudy, with a low around 33.

Monday

A chance of rain and snow. Snow level 3100 feet. Partly sunny, with a high near 39. Chance of precipitation is 30%.

Monday Night

Mostly cloudy, with a low around 31.