Lake Effect Snow through Friday; Heavy Rain, Thunderstorms and Mountain Snow in California

Periods of moderate to heavy lake effect snow will continue through Friday downwind of Lake Erie and Ontario. Several additional inches of accumulating snow are expected. A Pacific storm will bring heavy rain and mountain snow across California, the Southwest and Intermountain West today. Isolated severe thunderstorms and scattered flash flooding is possible across parts of southern California. Read More >

Hazardous Weather Conditions

Winter Weather Advisory until January 2, 04:00 AM PST

Current conditions at

Tri-Cities Airport (KPSC)

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

unknown precip,mist

30°F

-1°C

Humidity	92%
Wind Speed	WNW 3 MPH
Barometer	29.94 in (1013.89 mb)
Dewpoint	28°F (-2°C)
Visibility	6.00 mi
Last update	01 Jan 04:35 PM PST

More Information:

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

Extended Forecast for

6 Miles WNW West Richland WA

Winter Weather Advisory January 1, 04:57pm until January 2, 04:00am

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory January 1, 04:57pm until January 2, 04:00am
NOW until 4:00am Fri
Winter Weather Advisory
New Year's Day
High: 30 °F
Freezing Rain
Likely
Tonight
Low: 30 °F⇑
Rain/Freezing
Rain Likely
Friday
High: 43 °F
Chance
Rain/Freezing
Rain then
Mostly Cloudy
Friday Night
Low: 34 °F
Slight Chance
Rain then
Rain Likely
Saturday
High: 43 °F
Rain Likely
then Chance
Rain
Saturday Night
Low: 37 °F
Chance Rain
Sunday
High: 49 °F
Slight Chance
Rain then
Mostly Cloudy
Sunday Night
Low: 37 °F
Slight Chance
Rain

Detailed Forecast

New Year's Day

Freezing rain likely. Cloudy, with a high near 30. Light north wind. Chance of precipitation is 70%. Total daytime ice accumulation of less than a 0.1 of an inch possible.

Tonight

Freezing rain likely before 10pm, then rain or freezing rain likely. Cloudy, with a temperature rising to around 34 by 5am. Calm wind. Chance of precipitation is 60%. New ice accumulation of around a 0.1 of an inch possible.

Friday

A chance of rain or freezing rain before 7am, then a chance of rain between 7am and 10am. Mostly cloudy, with a high near 43. Calm wind becoming southwest around 6 mph in the morning. Chance of precipitation is 30%.

Friday Night

Rain likely, mainly after 4am. Mostly cloudy, with a low around 34. Northwest wind 8 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Saturday

Rain likely, mainly before 10am. Mostly cloudy, with a high near 43. North wind around 6 mph becoming south in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Saturday Night

A 50 percent chance of rain, mainly before 4am. Mostly cloudy, with a low around 37.

Sunday

A 20 percent chance of rain before 10am. Mostly cloudy, with a high near 49.

Sunday Night

A 20 percent chance of rain. Mostly cloudy, with a low around 37.

Monday

Partly sunny, with a high near 47.

Monday Night

Partly cloudy, with a low around 33.

Tuesday

A chance of rain and snow. Mostly cloudy, with a high near 46.