357 AM CDT WED OCT 24 2012

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS EXPANDED A DENSE FOG ADVISORY…WHICH IS IN EFFECT UNTIL 10 AM CDT THIS MORNING, TO INCLUDE CASS, ADAIR, ADAMS AND TAYLOR COUNTIES. VISIBILITIES OF LESS THAN ONE QUARTER OF A MILE IS EXPECTED. IMPROVEMENT IS EXPECTED BY MID MORNING AS DAYTIME HEATING INCREASES. TRAVEL WILL BE DIFFICULT DUE TO REDUCED VISIBILITY. PERSONS WILL NEED TO EXERCISE CAUTION AND ALLOW EXTRA TIME TO REACH THEIR MORNING DESTINATION SAFELY.