STATE FORECAST FOR IOWA NATIONAL WEATHER SERVICE DES MOINES IA 348 AM CDT SUN SEP 7 2008 ...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM CDT FOR CENTRAL AND SOUTHWESTERN IOWA... .TODAY...PARTLY CLOUDY. AREAS OF DENSE FOG MAINLY CENTRAL AND SOUTHWEST THIS MORNING. CHANCE OF SHOWERS NORTH AND NORTHEAST. HIGHS MID 60S TO LOWER 70S. .TONIGHT...PARTLY CLOUDY...BECOMING MOSTLY CLOUDY LATE. SHOWERS SPREADING IN FROM THE WEST AND SOUTHWEST AFTER MIDNIGHT. LOWS MID 40S NORTHWEST TO MID 50S SOUTH. .MONDAY...CLOUDY. RAIN AND ISOLATED THUNDERSTORMS. HIGHS UPPER 50S NORTH TO MID 60S FAR SOUTH. .TUESDAY...MOSTLY CLEAR. LOWS UPPER 30S TO LOWER 40S. HIGHS 65 TO 70. .WEDNESDAY...PARTLY CLOUDY. CHANCE OF THUNDERSTORMS. LOWS MID 40S TO LOWER 50S. HIGHS IN THE 70S. .THURSDAY...PARTLY CLOUDY. CHANCE OF THUNDERSTORMS. LOWS 55 TO 60. HIGHS 70 TO 75.