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

Pasco WA

Air Stagnation Advisory December 31, 05:22am until January 1, 12:00pm

Click here for hazard details and duration

Air Stagnation Advisory

Air Stagnation Advisory December 31, 05:22am until January 1, 12:00pm
NOW until 12:00pm Thu
Air Stagnation Advisory
Today
High: 38 °F
Patchy
Freezing Fog
then Partly
Sunny
Tonight
Low: 24 °F
Patchy
Freezing Fog
New Year's Day
High: 33 °F
Chance
Rain/Snow and
Patchy
Freezing Fog
Thursday Night
Low: 30 °F
Rain/Freezing
Rain Likely
and Patchy
Freezing Fog
Friday
High: 38 °F
Chance
Rain/Freezing
Rain and
Patchy Fog
then Partly
Sunny
Friday Night
Low: 32 °F
Slight Chance
Rain
Saturday
High: 44 °F
Chance Rain
Saturday Night
Low: 36 °F
Slight Chance
Rain then
Mostly Cloudy

Detailed Forecast

Today

Patchy freezing fog before 10am. Partly sunny, with a high near 38. Calm wind.

Tonight

Patchy freezing fog after 10pm. Mostly cloudy, with a low around 24. Calm wind.

New Year's Day

A slight chance of snow between 10am and 1pm, then a chance of rain. Patchy freezing fog before 10am. Cloudy, with a high near 33. Calm wind. Chance of precipitation is 30%.

Thursday Night

Rain likely, possibly mixed with freezing rain, mainly between 10pm and 4am. Patchy fog after 1am. Patchy freezing fog after 1am. Otherwise, cloudy, with a low around 30. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Friday

A chance of rain or freezing rain before 10am. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 38. Light north wind. Chance of precipitation is 30%.

Friday Night

A 20 percent chance of rain. Mostly cloudy, with a low around 32.

Saturday

A 40 percent chance of rain, mainly before 4pm. Mostly cloudy, with a high near 44.

Saturday Night

A 20 percent chance of rain before 10pm. Mostly cloudy, with a low around 36.

Sunday

Mostly cloudy, with a high near 48.

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 46.