277 FPUS73 KDMX 041442 NOWDMX SHORT TERM FORECAST NATIONAL WEATHER SERVICE DES MOINES IA 842 AM CST THU MAR 4 2010 IAZ005>007-016-017-024>028-035>039-047>049-041645- KOSSUTH-WINNEBAGO-WORTH-HANCOCK-CERRO GORDO-HUMBOLDT-WRIGHT-FRANKLIN- BUTLER-BREMER-WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-BOONE-STORY- MARSHALL- INCLUDING THE CITIES OF...ALGONA...FOREST CITY...NORTHWOOD... GARNER...MASON CITY...HUMBOLDT...CLARION...HAMPTON...ALLISON... WAVERLY...FORT DODGE...WEBSTER CITY...ELDORA...GRUNDY CENTER... WATERLOO...BOONE...AMES...MARSHALLTOWN 842 AM CST THU MAR 4 2010 .NOW... ALTHOUGH FOG IS BEGINNING TO LIFT THERE ARE STILL SOME POCKETS OF DENSE FOG OVER PARTS OF CENTRAL IOWA...MAINLY ALONG AND EAST OF INTERSTATE 35 AND NORTH OF HIGHWAY 30. THE FOG IS REDUCING VISIBILITY TO A QUARTER MILE LOCALLY WITH MOST LOCATIONS NOW REPORTING A HALF MILE TO ONE MILE VISIBILITY. THE COMBINATION OF THE FOG AND THE SUN HITTING THE SNOW PACK IS CAUSING ALMOST BLINDING CONDITIONS. VISIBILITY WILL IMPROVE DRAMATICALLY IN THE NEXT 2 HOURS BUT UNTIL THEN USE CAUTION WHILE DRIVING AND REDUCE SPEED IN FOGGY AREAS. $$ FAB