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.

Overcast

21°F

-6°C

Humidity	92%
Wind Speed	N 0 MPH
Barometer	30.34 in (1027.43 mb)
Dewpoint	19°F (-7°C)
Visibility	10.00 mi
Last update	31 Dec 07:20 AM PST

More Information:

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

Extended Forecast for

4 Miles S Richland WA

Air Stagnation Advisory December 31, 07:43am until January 1, 12:00pm

Click here for hazard details and duration

Air Stagnation Advisory

Air Stagnation Advisory December 31, 07:43am until January 1, 12:00pm
NOW until 12:00pm Thu
Air Stagnation Advisory
Today
High: 39 °F
Partly Sunny
Tonight
Low: 24 °F
Partly Cloudy
New Year's Day
High: 34 °F
Slight Chance
Wintry Mix
Thursday Night
Low: 31 °F
Rain/Freezing
Rain Likely
then Rain
Likely and
Patchy Fog
Friday
High: 38 °F
Chance Rain
and Patchy
Fog
Friday Night
Low: 32 °F
Chance Rain
Saturday
High: 43 °F
Chance Rain
Saturday Night
Low: 35 °F
Slight Chance
Rain then
Mostly Cloudy

Detailed Forecast

Today

Partly sunny, with a high near 39. Calm wind.

Tonight

Partly cloudy, with a low around 24. Calm wind.

New Year's Day

A slight chance of rain and snow before 1pm, then a slight chance of rain between 1pm and 4pm, then a slight chance of rain or freezing rain after 4pm. Cloudy, with a high near 34. Calm wind. Chance of precipitation is 20%.

Thursday Night

Rain likely, possibly mixed with freezing rain, becoming all rain after 10pm. Patchy fog after 4am. Otherwise, cloudy, with a low around 31. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Friday

A chance of rain before 10am, then a slight chance of rain after 4pm. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 38. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 30%.

Friday Night

A 30 percent chance of rain, mainly after 10pm. Mostly cloudy, with a low around 32.

Saturday

A 40 percent chance of rain, mainly before 4pm. Mostly cloudy, with a high near 43.

Saturday Night

A 20 percent chance of rain before 10pm. Mostly cloudy, with a low around 35.

Sunday

Mostly cloudy, with a high near 47.

Sunday Night

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

Monday

A slight chance of rain. Mostly cloudy, with a high near 45.