National Weather Service

News Headlines

New Version of Climate Plots Arrives May 1, 2026: Early Access Now Available Under "Climate Graphs and Charts"
SCN26-34: Discontinuation of the Max/Min Temperature and Precipitation Table Product (RTP) for all NWS Alaska Region, Eastern Region, and Western Region Offices: Effective May 6, 2026

Hazardous Weather Conditions

Freeze Warning in effect from April 16, 11:00 PM PDT until April 17, 09:00 AM PDT

Current conditions at

Tri-Cities Airport (KPSC)

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

Clear

55°F

13°C

Humidity	30%
Wind Speed	NW 12 MPH
Barometer	30.15 in (1021.0 mb)
Dewpoint	25°F (-4°C)
Visibility	10.00 mi
Last update	16 Apr 07:00 PM PDT

More Information:

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

Extended Forecast for

4 Miles S Richland WA

Freeze Warning April 16, 11:00pm until April 17, 09:00am

Click here for hazard details and duration

Freeze Warning

Tonight
Low: 35 °F
Mostly Clear
then Patchy
Frost
Friday
High: 62 °F
Areas Frost
then Sunny
Friday Night
Low: 39 °F
Mostly Cloudy
Saturday
High: 70 °F
Partly Sunny
Saturday Night
Low: 46 °F
Mostly Cloudy
Sunday
High: 76 °F
Partly Sunny
Sunday Night
Low: 51 °F
Mostly Cloudy
Monday
High: 81 °F
Partly Sunny
Monday Night
Low: 54 °F
Partly Cloudy

Detailed Forecast

Tonight

Patchy frost after 2am. Otherwise, mostly clear, with a low around 35. West wind 7 to 14 mph becoming southwest after midnight. Winds could gust as high as 23 mph.

Friday

Areas of frost before 8am. Otherwise, sunny, with a high near 62. Southwest wind around 6 mph becoming southeast in the afternoon.

Friday Night

Mostly cloudy, with a low around 39. Southeast wind 3 to 5 mph.

Saturday

Partly sunny, with a high near 70. Calm wind becoming northeast around 6 mph in the afternoon.

Saturday Night

Mostly cloudy, with a low around 46. Northeast wind around 7 mph.

Sunday

Partly sunny, with a high near 76.

Sunday Night

Mostly cloudy, with a low around 51.