Active Weather Alerts
Flood Watch
Issued: 5:39 PM Jun. 11, 2026 – National Weather Service
...FLOOD WATCH REMAINS IN EFFECT UNTIL 11 PM CDT THIS EVENING... * WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...Portions of Illinois, including the following areas, Boone, Central Cook, De Kalb, DuPage, Eastern Will, Grundy, Kane, Kankakee, Kendall, La Salle, Lake IL, Lee, Livingston, McHenry, Northern Cook, Northern Will, Ogle, Southern Cook, Southern Will and Winnebago and northwest Indiana, including the following areas, Lake IN and Porter. * WHEN...Until 11 PM CDT this evening. * IMPACTS...Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Underpasses may be flooded. Roads and streets may be flooded. * ADDITIONAL DETAILS... - Multiple rounds of heavy showers and thunderstorms are possible this afternoon and evening, with rain rates up to 1 to 3 inches per hour. The most likely areas for flooding include urban areas and locations and received heavy rainfall over the last few days. - 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. &&
Small Craft Advisory
Issued: 8:52 AM Jun. 11, 2026 – National Weather Service
...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO 11 PM CDT THIS EVENING... * WHAT...South-southeast winds 15 to 20 kt with gusts up to 30 kt, becoming southwest after 8 PM, and waves 3 to 6 ft expected. * WHERE...Nearshore Waters from Port Washington to Winthrop Harbor IL. * WHEN...From 4 PM this afternoon to 11 PM CDT this evening. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. &&
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