Expires:201304221430;Remove:201304221430;154079 FPUS76 KPQR 221202 NOWPQR SHORT TERM FORECAST NATIONAL WEATHER SERVICE PORTLAND OR 502 AM PDT MON APR 22 2013 ORZ005>007-WAZ022-039-221430- LOWER COLUMBIA-GREATER PORTLAND METRO AREA- CENTRAL WILLAMETTE VALLEY-I-5 CORRIDOR IN COWLITZ COUNTY- GREATER VANCOUVER AREA- INCLUDING THE CITIES OF...ST. HELENS...CLATSKANIE...HILLSBORO... PORTLAND...OREGON CITY...GRESHAM...SALEM...MCMINNVILLE...DALLAS... LONGVIEW...KELSO...CASTLE ROCK...VANCOUVER...BATTLE GROUND... WASHOUGAL 502 AM PDT MON APR 22 2013 .NOW... AT 5 AM...AREAS OF FOG AND LOW CLOUDS WERE BEGINNING TO DEVELOP IN PARTS OF THE GREATER PORTLAND AND VANCOUVER AREAS...THE CENTRAL WILLAMETTE VALLEY...AND THE LOWER COLUMBIA AND INTERSTATE 5 CORRIDOR IN SOUTHWEST WASHINGTON. VISIBILITIES MAY LOWER AT TIMES IN SOME LOCATIONS TO ONE QUARTER MILE OR LESS. THE FOG AND LOW CLOUDS SHOULD LIFT AND CLEAR BY LATER THIS MORNING AS OFFSHORE WINDS DEVELOP. SLOW DOWN AND USE CAUTION IF YOU ARE DRIVING THROUGH FOGGY AREAS THIS MORNING. $$ FOR ADDITIONAL WEATHER INFORMATION...VISIT OUR WEB SITE AT WWW.WEATHER.GOV/PORTLAND