Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Current conditions at

Tri-Cities Airport (KPSC)

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

Clear

30°F

-1°C

Humidity	100%
Wind Speed	N 0 MPH
Barometer	29.7 in (1005.76 mb)
Dewpoint	30°F (-1°C)
Visibility	7.00 mi
Last update	25 Dec 11:55 PM PST

More Information:

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

Extended Forecast for

7 Miles SSW Richland WA

Overnight
Low: 36 °F
Rain Likely
Friday
High: 47 °F
Rain Likely
then Chance
Rain
Friday Night
Low: 32 °F
Chance
Rain/Snow and
Breezy
Saturday
High: 41 °F
Sunny
Saturday Night
Low: 25 °F
Mostly Cloudy
Sunday
High: 36 °F
Mostly Sunny
Sunday Night
Low: 24 °F
Partly Cloudy
Monday
High: 35 °F
Partly Sunny
Monday Night
Low: 25 °F
Mostly Cloudy

Detailed Forecast

Overnight

Rain likely after 1am. Cloudy, with a low around 36. South wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Friday

Rain likely before 10am, then a chance of rain after 1pm. Mostly cloudy, with a high near 47. Southwest wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Friday Night

A chance of rain before 10pm, then a slight chance of rain and snow. Snow level 1600 feet lowering to 800 feet after midnight . Partly cloudy, with a low around 32. Breezy, with a southwest wind 23 to 28 mph, with gusts as high as 39 mph. Chance of precipitation is 30%.

Saturday

Sunny, with a high near 41. Southwest wind 9 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.

Saturday Night

Mostly cloudy, with a low around 25. Northeast wind around 5 mph becoming north after midnight.

Sunday

Mostly sunny, with a high near 36.

Sunday Night

Partly cloudy, with a low around 24.

Monday

Partly sunny, with a high near 35.

Monday Night

Mostly cloudy, with a low around 25.