Active Weather Alerts
Flood Advisory
Issued: 3:07 AM Apr. 3, 2026 – National Weather Service
...FLOOD ADVISORY REMAINS IN EFFECT UNTIL 11 PM CDT THIS EVENING... * WHAT...Flooding caused by excessive rainfall continues. * WHERE...Portions of north central and northeast Illinois, including the following counties, in north central Illinois, Boone and De Kalb. In northeast Illinois, McHenry. * WHEN...Until 1100 PM CDT. * IMPACTS...Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - At 1001 PM CDT, Multiple rounds of heavy rain and thunderstorms produced up to 2 to 4 inches of rain. - Flooding impacts will continue, but no additional rainfall is expected. - Some locations that will experience flooding include... Crystal Lake, Lake in the Hills, McHenry, Belvidere, Woodstock, Huntley, Fox Lake, Harvard, Island Lake, Marengo, Poplar Grove, Genoa, Johnsburg, Lakemoor, Spring Grove, Wonder Lake, Lakewood, Pistakee Highlands, Cherry Valley and Prairie Grove. - http://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flood Advisory means minor flooding along waterways and other poor drainage areas is imminent or may already be occurring. Persons in the advisory area should use caution and avoid flood waters. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. &&
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