Active Weather Alerts
Flood Watch
Issued: 10:15 AM Apr. 15, 2026 – National Weather Service
...FLOOD WATCH NOW IN EFFECT THROUGH LATE TONIGHT... * WHAT...Flash flooding caused by excessive rainfall remains possible. * WHERE...Portions of Illinois, including the following areas, Boone, Central Cook, De Kalb, DuPage, Eastern Will, Kane, Kendall, Lake IL, McHenry, Northern Cook, Northern Will, Ogle, Southern Cook, Southern Will and Winnebago and northwest Indiana, including the following area, Lake IN. * WHEN...Through late tonight. * IMPACTS...Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Roads and streets may be flooded. * ADDITIONAL DETAILS... - Multiple rounds of showers and thunderstorms are expected through this evening. Elevated soil moisture due to recent rainfall is expected to increase the susceptibility to flash flooding. - http://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flood Watch for flash flooding means rapid-onset flooding is possible, but not yet certain, based upon the latest forecasts. Flash flooding is a dangerous situation. Persons with interests along area rivers, creeks, and other waterways should monitor the latest forecasts and be prepared to take action should flooding develop. &&
River Flood Warning
Issued: 9:22 AM Apr. 15, 2026 – National Weather Service
...FLOOD WARNING IN EFFECT FROM EARLY THIS MORNING TO MONDAY EVENING... ...REPLACES RIVER FLOOD WATCH... * WHAT...Minor flooding is forecast. * WHERE...Des Plaines River from US-41 in Gurnee downstream to Townline Road in Vernon Hills, including the Gurnee gauge. * WHEN...From early this morning to Monday evening. * IMPACTS...At 7.0 feet, Forest land inundated near the river in Gurnee. * ADDITIONAL DETAILS... - At 3:30 AM CDT Wednesday the stage was 7.0 feet. - Forecast...The river is expected to rise to a crest of just under 8 feet tomorrow evening and is expected to remain above flood stage into the weekend. - Flood stage is 7.0 feet. - http://www.weather.gov/safety/flood &&
River Flood Watch
Issued: 9:15 AM Apr. 15, 2026 – National Weather Service
...FLOOD WATCH REMAINS IN EFFECT UNTIL FURTHER NOTICE... * WHAT...Flooding is possible. * WHERE...Fox River Lower near New Munster. * WHEN...Until further notice. * IMPACTS...At 12.0 feet, Water is up to the first floor levels of some homes in the Town of Wheatland and Village of Salem Lakes area along Riverside Drive and Shorewood Drive. * ADDITIONAL DETAILS... - At 3:00 AM CDT Wednesday the stage was 10.3 feet. - Forecast...Flood stage may be reached late this evening. - Flood stage is 11.0 feet. - http://www.weather.gov/safety/flood && River forecasts are available for some but not all river gaging locations. The 7 day river forecast takes into account past precipitation, soil moisture conditions, and predicted precipitation for the basin. Precipitation is for the next 24 hours in the future from April through September and for 48 hours in the future from October through March. (Stages in ft.) Bank- Latest Forecast stages - Flood full observed ...for 7 am... Location stage stage stage/time Thu Fri Sat Sun New Munster 11.0 10.0 10.29 3 am 4/15 11.5 12.1 12.1 11.9 - Highest 24 hour change - observed in river stage - stage in (ft.) up to Highest stage - the last latest observed forecast in - 7 days stage next 7 days New Munster 11.48 3 am 4/08 0.47 12.20 1 am 4/18 &&
Flood Advisory
Issued: 8:51 AM Apr. 15, 2026 – National Weather Service
...FLOOD ADVISORY IN EFFECT UNTIL 645 AM CDT THIS MORNING... * WHAT...Flooding caused by excessive rainfall is expected. * WHERE...A portion of northeast Illinois, including the following county, Lake IL. * WHEN...Until 645 AM CDT. * IMPACTS...Creeks and streams may rise out of their banks. Underpasses may be flooded. * ADDITIONAL DETAILS... - At 349 AM CDT, Doppler radar and automated rain gauges indicated heavy rain due to thunderstorms. Up to 1 inch of rain has fallen with an additional half to one inch of rain possible. This is on top of 1 to 2 inches of rain that fell last evening. - Several area creeks are rising towards bankfull or minor flood stage. - Some locations that will experience flooding include... Waukegan, North Chicago, Gurnee, Round Lake Beach, Zion, Grayslake, Round Lake, Antioch, Lake Villa, Lindenhurst, Beach Park, Gages Lake, Park City, Round Lake Park, Winthrop Harbor, Grandwood Park, Wadsworth, Long Lake, Venetian Village and Third Lake. - 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. &&
River Flood Watch
Issued: 5:24 AM Apr. 15, 2026 – National Weather Service
...FLOOD WATCH IN EFFECT FROM THIS MORNING UNTIL FURTHER NOTICE... * WHAT...Flooding is possible. * WHERE...Des Plaines River from Townline Road in Libertyville downstream to Palatine Road in Prospect Heights, including the Lincolnshire gauge. * WHEN...From this morning until further notice. * IMPACTS...At 13.0 feet, Low-lying trails in Wright Woods Forest Preserve are inundated. * ADDITIONAL DETAILS... - At 11:45 PM CDT Tuesday the stage was 10.6 feet. - Forecast...Due to recent and forecast rain, the river is rising and may exceed flood stage by tomorrow. - Flood stage is 12.5 feet. - http://www.weather.gov/safety/flood &&
River Flood Watch
Issued: 5:24 AM Apr. 15, 2026 – National Weather Service
...FLOOD WATCH IN EFFECT FROM THIS MORNING UNTIL FURTHER NOTICE... * WHAT...Flooding is possible. * WHERE...Des Plaines River from IL/WI state line downstream to US-41 in Gurnee, including the Russell gauge. * WHEN...From this morning until further notice. * IMPACTS...At 7.0 feet, Low-lying wetlands and agricultural land is inundated near the river. * ADDITIONAL DETAILS... - At 11:30 PM CDT Tuesday the stage was 6.2 feet. - Forecast...Due to recent and forecast rain, the river is rising and may exceed flood stage by Thursday. - Flood stage is 7.0 feet. - http://www.weather.gov/safety/flood &&
River Flood Warning
Issued: 2:26 AM Apr. 15, 2026 – National Weather Service
...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE... * WHAT...Minor flooding is forecast. * WHERE...Fox River from Johnsburg downstream to Red Gate Road in St. Charles, including the Algonquin Lock & Dam tailwater gauge. * WHEN...Until further notice. * IMPACTS...At 9.5 feet, Fox River Drive threatened in East Dundee. Boathouses threatened along the river in Cary. * ADDITIONAL DETAILS... - At 8:30 PM CDT Tuesday the stage was 9.4 feet. - Forecast...Due to rainfall tonight and Wednesday, the river is expected to rise above flood stage late tonight and remain in flood for several days. - Flood stage is 9.5 feet. - http://www.weather.gov/safety/flood &&
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