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

Sunnyside Municipal Airport (K1S5)

Lat: 46.3271°NLon: 119.9704°WElev: 768.0ft.

Clear

24°F

-4°C

Humidity	92%
Wind Speed	N 0 MPH
Barometer	30.33 in (1027.09 mb)
Dewpoint	22°F (-6°C)
Visibility	10.00 mi
Last update	31 Dec 04:15 AM PST

More Information:

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

Extended Forecast for

4 Miles WSW Benton City WA

Air Stagnation Advisory December 31, 04:44am until January 1, 12:00pm

Click here for hazard details and duration

Air Stagnation Advisory

Air Stagnation Advisory December 31, 04:44am until January 1, 12:00pm
NOW until 12:00pm Thu
Air Stagnation Advisory
Today
High: 36 °F
Partly Sunny
Tonight
Low: 24 °F
Partly Cloudy
New Year's Day
High: 32 °F
Chance
Rain/Snow
Thursday Night
Low: 30 °F
Wintry Mix
Likely
Friday
High: 36 °F
Chance
Rain/Freezing
Rain
Friday Night
Low: 31 °F
Chance Rain
Saturday
High: 41 °F
Chance Rain
Saturday Night
Low: 34 °F
Chance Rain

Detailed Forecast

Today

Partly sunny, with a high near 36. West wind around 6 mph becoming light and variable in the morning.

Tonight

Partly cloudy, with a low around 24. Northwest wind 3 to 5 mph.

New Year's Day

A chance of rain and snow, mainly after 4pm. Snow level 2000 feet rising to 3200 feet in the afternoon. Mostly cloudy, with a high near 32. Northwest wind around 6 mph becoming northeast in the afternoon. Chance of precipitation is 30%.

Thursday Night

Rain likely, possibly mixed with snow and freezing rain before 10pm, then rain likely, possibly mixed with freezing rain. Cloudy, with a low around 30. Light northwest wind. Chance of precipitation is 60%. Little or no snow accumulation expected.

Friday

A chance of rain or freezing rain before 1pm, then a slight chance of rain. Mostly cloudy, with a high near 36. North wind around 6 mph. Chance of precipitation is 40%.

Friday Night

A 30 percent chance of rain. Mostly cloudy, with a low around 31.

Saturday

A 50 percent chance of rain. Mostly cloudy, with a high near 41.

Saturday Night

A 30 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 34.

Sunday

Mostly cloudy, with a high near 43.

Sunday Night

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

Monday

A slight chance of rain. Mostly cloudy, with a high near 42.