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

34°F

1°C

Humidity	100%
Wind Speed	NNE 4 MPH
Barometer	29.69 in (1005.42 mb)
Dewpoint	34°F (1°C)
Visibility	9.00 mi
Wind Chill	30°F (-1°C)
Last update	24 Dec 09:15 PM PST

More Information:

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

Extended Forecast for

Richland WA

Tonight
Low: 33 °F
Patchy Fog
Christmas Day
High: 45 °F
Chance Rain
Thursday Night
Low: 34 °F
Chance Rain
Friday
High: 49 °F
Chance Rain
Friday Night
Low: 31 °F
Slight Chance
Rain then
Partly Cloudy
Saturday
High: 43 °F
Sunny
Saturday Night
Low: 24 °F
Mostly Cloudy
Sunday
High: 36 °F
Mostly Sunny
Sunday Night
Low: 23 °F
Mostly Cloudy

Detailed Forecast

Tonight

Patchy fog between 10pm and 1am. Otherwise, mostly cloudy, with a low around 33. South wind 5 to 7 mph becoming calm.

Christmas Day

A 30 percent chance of rain before 1pm. Partly sunny, with a high near 45. Northwest wind around 6 mph.

Thursday Night

A 40 percent chance of rain. Mostly cloudy, with a low around 34. Light south wind.

Friday

A 40 percent chance of rain, mainly before 4pm. Mostly cloudy, with a high near 49. Southwest wind 6 to 14 mph, with gusts as high as 23 mph.

Friday Night

A 20 percent chance of rain before 10pm. Snow level 2000 feet lowering to 1000 feet after midnight . Partly cloudy, with a low around 31. Southwest wind 13 to 16 mph, with gusts as high as 28 mph.

Saturday

Sunny, with a high near 43.

Saturday Night

Mostly cloudy, with a low around 24.

Sunday

Mostly sunny, with a high near 36.

Sunday Night

Mostly cloudy, with a low around 23.

Monday

Partly sunny, with a high near 36.

Monday Night

Patchy fog. Otherwise, partly cloudy, with a low around 24.