A flood advisory was in effect this morning for six north central and northeast Illinois counties, one of which is McHenry County, but has been allowed to expire.
Issued around 5:30 a.m. by the National Weather Service, the advisory indicates thunderstorms with heavy rainfall. Runoff from the excessive rainfall will likely cause minor flooding, especially along small streams and near low water crossings.
The affected counties include McHenry, Kane, Ogle, Winnebago, Boone and DeKalb.
The advisory states the doppler radar estimated 1 to 3 inches of rain has fallen across parts of Winnebago and Boone Counties.
Some of the locations expected to experience flooding are Hampshire, Marengo, Kingston, Kirkland, Rockford, Belvidere, Genoa, Rockton, South Beloit, Cherry Valley, Capron, Loves Park, and Machesney Park.
It further advises motorists should not drive in areas where water is covering the road.