WGUS73 KLOT 190013 FFSLOT Flash Flood Statement National Weather Service Chicago IL 713 PM CDT Mon Aug 18 2025 ILC037-103-190130- /O.CON.KLOT.FF.W.0020.000000T0000Z-250819T0130Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ De Kalb IL-Lee IL- 713 PM CDT Mon Aug 18 2025 ...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 830 PM CDT THIS EVENING FOR SOUTHERN DE KALB AND CENTRAL LEE COUNTIES... At 713 PM CDT, Doppler radar and automated rain gauges indicated slow-moving thunderstorms producing heavy rain with rates of 2-3 inches per hour. Up to 3 inches of rain have fallen. Additional showers and thunderstorms will move through the area over the next hour. HAZARD...Flash flooding. SOURCE...Radar and automated gauges. IMPACT...Rapid-onset flooding of creeks, streams, drainage ditches, streets, underpasses, low-lying areas, and other poor drainage areas. Some locations that will experience flash flooding include... Sandwich, Amboy, Lake Holiday, Hinckley, Somonauk, Woodhaven Lakes, Lee, Steward and Lee Center. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flash Flood Warning means rapid-onset flooding is imminent or may already be occurring. Persons along creeks, drainage ditches, and other waterways should take immediate precautions to protect life and property. && LAT...LON 4170 8930 4164 8929 4163 8917 4158 8917 4158 8956 4181 8931 4186 8916 4188 8860 4163 8860 4163 8874 4180 8875 4179 8920 FLASH FLOOD...RADAR AND GAUGE INDICATED EXPECTED RAINFALL RATE...2-3 INCHES IN 1 HOUR $$ WSL