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

Current conditions at

Tri-Cities Airport (KPSC)

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

Mist

27°F

-3°C

Humidity	92%
Wind Speed	N 4 MPH
Barometer	30.06 in (1017.95 mb)
Dewpoint	25°F (-4°C)
Visibility	1.75 mi
Wind Chill	22°F (-6°C)
Last update	01 Jan 04:35 AM PST

More Information:

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

Extended Forecast for

3 Miles SSW Wallula WA

Winter Weather Advisory January 1, 10:00am until January 2, 04:00am

Freezing Fog Advisory until January 1, 12:00pm

Air Stagnation Advisory January 1, 04:51am until January 1, 12:00pm

Click here for hazard details and duration

Winter Weather Advisory

Freezing Fog Advisory

Air Stagnation Advisory

Freezing Fog Advisory until January 1, 12:00pm
Air Stagnation Advisory January 1, 04:51am until January 1, 12:00pm
NOW: Multiple hazards in effect
Click HERE for Details
Overnight
Low: 29 °F
Chance Rain
New Year's Day
High: 35 °F
Chance Rain
Thursday Night
Low: 35 °F
Chance Rain
Friday
High: 45 °F
Chance Rain
Friday Night
Low: 38 °F
Chance Rain
Saturday
High: 46 °F
Chance Rain
Saturday Night
Low: 42 °F
Chance Rain
Sunday
High: 52 °F
Chance Rain

Detailed Forecast

Overnight

A 30 percent chance of rain. Cloudy, with a low around 29. Calm wind.

New Year's Day

A 50 percent chance of rain. Cloudy, with a high near 35. Light north wind. New precipitation amounts of less than a tenth of an inch possible.

Thursday Night

A 50 percent chance of rain. Cloudy, with a steady temperature around 35. Calm wind. New precipitation amounts of less than a tenth of an inch possible.

Friday

A 40 percent chance of rain. Mostly cloudy, with a high near 45. Southwest wind around 6 mph.

Friday Night

A 30 percent chance of rain. Mostly cloudy, with a low around 38. Northeast wind around 6 mph.

Saturday

A 50 percent chance of rain. Mostly cloudy, with a high near 46.

Saturday Night

A 40 percent chance of rain. Mostly cloudy, with a low around 42.

Sunday

A 30 percent chance of rain. Mostly cloudy, with a high near 52.

Sunday Night

A 30 percent chance of rain. Mostly cloudy, with a low around 42.