WWUS86 KPDT 282148 AWWPSC WAC021-282300- Airport Weather Warning for the Tri-Cities Airport National Weather Service Pendleton OR 248 PM PDT Thu Mar 28 2024 An Airport Weather Warning has been issued for the Tri-Cities airport. Thunderstorms with small hail up to pea-size...cloud to ground lightning...heavy rain and wind gusts near 35 knots will impact the airport from 22Z to 23Z. $$