Current conditions at

Tri-Cities Airport (KPSC)

Lat: 46.26955° N Lon: 119.11813° W Elev: 397.0 ft.

Clear

79°F

26°C

Humidity 41%
Wind Speed N 0 MPH
Barometer 29.7 in (1005.76 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 27 May 08:20 PM PDT
Detailed forecast for

Lower Columbia Basin of Washington

Tonight
Partly cloudy. Lows in the lower to mid 50s. North wind 5 to 10 mph in the evening, becoming light.
Thursday
Partly cloudy. Highs in the upper 80s to lower 90s. Light wind, becoming north 5 to 10 mph in the afternoon.
Thursday Night
Mostly cloudy. Scattered showers and thunderstorms in the evening, then a chance of rain showers overnight. Some thunderstorms may produce small hail in the evening. Lows in the lower to mid 50s. South wind 5 to 15 mph with gusts to around 25 mph. Chance of precipitation 50 percent. Rainfall amounts less than a quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Partly cloudy with a 20 percent chance of rain showers. Highs in the 70s. Windy. Southwest wind 15 to 25 mph with gusts to around 35 mph.
Friday Night
Mostly cloudy. Lows in the mid 40s. Windy. West wind 15 to 25 mph with gusts to around 35 mph.
Saturday Through Sunday Night
Partly cloudy. Highs in the upper 60s to mid 70s. Lows in the 40s.
Monday And Monday Night
Partly cloudy. Highs in the upper 70s to lower 80s. Lows in the mid 40s to lower 50s.
Tuesday Through Wednesday
Partly cloudy. Highs in the 80s. Lows in the upper 40s to mid 50s.



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342 PM PDT Wed May 27 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database