Snow Squalls May Impact New Year's Eve Travel from the Great Lakes to the Mid-Atlantic; Heavy Rain Returns to California

Lake effect snow will continue through Friday bringing significant snowfall to areas east to southeast of the Great Lakes. Snow squalls may impact New Year's Eve travel this evening and overnight across parts of the Great Lakes, Ohio Valley, Mid-Atlantic, and Upstate New York. Heavy rain will bring another flash flooding threat for southern California New Year's Eve into New Year's Day. Read More >

Hazardous Weather Conditions

Air Stagnation Advisory until January 1, 12:00 PM PST

Current conditions at

Tri-Cities Airport (KPSC)

Lat: 46.26955°NLon: 119.11813°WElev: 397.0ft.

Clear

21°F

-6°C

Humidity	92%
Wind Speed	N 3 MPH
Barometer	30.35 in (1027.77 mb)
Dewpoint	19°F (-7°C)
Visibility	10.00 mi
Last update	31 Dec 05:00 AM PST

More Information:

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

Extended Forecast for

6 Miles WNW West Richland WA

Air Stagnation Advisory December 31, 05:19am until January 1, 12:00pm

Click here for hazard details and duration

Air Stagnation Advisory

Air Stagnation Advisory December 31, 05:19am until January 1, 12:00pm
NOW until 12:00pm Thu
Air Stagnation Advisory
Today
High: 37 °F
Partly Sunny
Tonight
Low: 25 °F
Partly Cloudy
New Year's Day
High: 34 °F
Chance Wintry
Mix
Thursday Night
Low: 31 °F
Wintry Mix
Likely then
Rain Likely
Friday
High: 38 °F
Chance Rain
Friday Night
Low: 33 °F
Chance Rain
Saturday
High: 43 °F
Chance Rain
Saturday Night
Low: 35 °F
Chance Rain
then Mostly
Cloudy

Detailed Forecast

Today

Partly sunny, with a high near 37. Light northeast wind.

Tonight

Partly cloudy, with a low around 25. Light northwest wind.

New Year's Day

A slight chance of rain and snow between 10am and 4pm, then a chance of rain, snow, and freezing rain. Snow level 1500 feet rising to 2800 feet in the afternoon. Cloudy, with a high near 34. Northeast wind 3 to 5 mph. Chance of precipitation is 30%.

Thursday Night

Rain likely, possibly mixed with snow and freezing rain, becoming all rain after 10pm. Cloudy, with a low around 31. Light northwest wind. Chance of precipitation is 60%. Little or no snow accumulation expected.

Friday

A 40 percent chance of rain, mainly before 10am. Mostly cloudy, with a high near 38. Calm wind becoming north around 6 mph in the morning.

Friday Night

A 30 percent chance of rain. Mostly cloudy, with a low around 33.

Saturday

A 50 percent chance of rain. Mostly cloudy, with a high near 43.

Saturday Night

A 30 percent chance of rain before 10pm. Mostly cloudy, with a low around 35.

Sunday

Mostly cloudy, with a high near 45.

Sunday Night

A slight chance of rain. Mostly cloudy, with a low around 35.