Heavy Rainfall to Bring Flooding Threat to California; Heavy Snow in the Sierra

A strong atmospheric river will bring heavy rainfall to California through the holiday week. The heaviest rainfall is expected on Wednesday in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall is expected in the Sierra Nevada from the atmospheric river, raising concerns for major snow‐load impacts. Travel may be difficult to impossible over the passes. Read More >

Current conditions at

Tri-Cities Airport (KPSC)

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

Overcast

38°F

3°C

Humidity	89%
Wind Speed	NNW 6 MPH
Barometer	29.64 in (1003.73 mb)
Dewpoint	35°F (2°C)
Visibility	10.00 mi
Wind Chill	33°F (1°C)
Last update	24 Dec 12:53 AM PST

More Information:

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

Extended Forecast for

West Pasco WA

Overnight
Low: 37 °F
Chance Rain
Wednesday
High: 52 °F
Chance Rain
Wednesday Night
Low: 34 °F
Mostly Cloudy
Christmas Day
High: 45 °F
Chance Rain
Thursday Night
Low: 34 °F
Chance Rain
Friday
High: 48 °F
Slight Chance
Rain then
Mostly Sunny
Friday Night
Low: 31 °F
Partly Cloudy
Saturday
High: 44 °F
Mostly Sunny
Saturday Night
Low: 28 °F
Mostly Cloudy

Detailed Forecast

Overnight

A 50 percent chance of rain. Cloudy, with a low around 37. Northwest wind around 5 mph. New precipitation amounts of less than a tenth of an inch possible.

Wednesday

A 30 percent chance of rain, mainly before 10am. Mostly cloudy, with a high near 52. Northwest wind 5 to 14 mph, with gusts as high as 31 mph.

Wednesday Night

Mostly cloudy, with a low around 34. South wind 5 to 7 mph becoming light and variable.

Christmas Day

A 40 percent chance of rain. Mostly cloudy, with a high near 45. North wind 3 to 5 mph.

Thursday Night

A 40 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 34. Light and variable wind becoming south around 5 mph after midnight.

Friday

A 20 percent chance of rain before 10am. Partly sunny, with a high near 48.

Friday Night

Partly cloudy, with a low around 31.

Saturday

Mostly sunny, with a high near 44.

Saturday Night

Mostly cloudy, with a low around 28.

Sunday

Partly sunny, with a high near 40.

Sunday Night

Mostly cloudy, with a low around 28.