22.5' - Structures threatened at Chicago Executive Airport in Prospect Heights.<br><br>21.5' - Taxiways and runways threatened at Chicago Executive Airport in Prospect Heights.<br><br>21' - Milwaukee Avenue threatened at Palatine Road in Prospect Heights. Algonquin Road threatened east of the river in Des Plaines.<br><br>20' - Water reaches the top of the floodwall along Miner Street causing numerous structures and roadways to be threatened near Miner Street and Busse Highway in Des Plaines. Structures threatened along Prairie Avenue near South River Road in Des Plaines.<br><br>18.5' - Big Bend Road threatened in Des Plaines.<br><br>17' - Central Avenue and Golf Road are threatened in Des Plaines.<br><br>15' - Structures threatened at Methodist Campground in Des Plaines. Forest preserve roadways are threatened.<br><br>14' - Low-lying Methodist Campground property and forest preserve property threatened near Des Plaines.<br><br>13' - Camp Ground Road and Des Plaines River Trail threatened near Miner Street in Des Plaines.<br><br>12' - Low-lying sections of the Des Plaines River Trail threatened near Des Plaines.<br><br>