LEWISTON LEWISTON-NEZ PERCE COUNTY AIRPORT
KELSO-LONGVIEW AUTOMATIC WEATHER OBSERVING / REPORTING SYSTEM
LA GRANDE AUTOMATIC WEATHER OBSERVING / REPORTING SYSTEM
TACOMA / MCCHORD AIR FORCE BASE
COEUR DALENE AUTOMATIC WEATHER OBSERVING / REPORTING SYSTEM
WENATCHEE PANGBORN MEMORIAL AIRPORT
ASTORIA ASTORIA REGIONAL AIRPORT
PENDLETON EASTERN OREGON REGIONAL AT PENDLETON AIRPORT
PORTLAND PORTLAND INTERNATIONAL AIRPORT
PULLMAN / MOSCOW PULLMAN / MOSCOW REGIONAL AIRPORT
SHELTON SHELTON SANDERSON FIELD
PORTLAND PORTLAND-HILLSBORO AIRPORT
HERMISTON HERMISTON MUNICIPAL AIRPORT
MCMINNVILLE MCMINNVILLE MUNICIPAL AIRPORT
BELLINGHAM BELLINGHAM INTERNATIONAL AIRPORT
PORT ANGELES WILLIAM R FAIRCHILD INTERNATIONAL AIRPORT
ELLENSBURG ELLENSBURG BOWERS FIELD
DEER PARK DEER PARK AIRPORT
WALLA WALLA WALLA WALLA REGIONAL AIRPORT
AURORA AURORA STATE AIRPORT
QUILLAYUTE QUILLAYUTE STATE AIRPORT
YAKIMA YAKIMA AIR TERMINAL
THE DALLES THE DALLES MUNICIPAL AIRPORT
EPHRATA EPHRATA MUNICIPAL AIRPORT
BURLINGTON-MT VERNON / SKAGIT REGIONAL AP
WB I-90 near Tanner Crossing
US97 on Yakima County line