Active Weather Alerts
Flood Watch
Issued: 8:57 PM Sep. 19, 2026 – National Weather Service
...FLOOD WATCH REMAINS IN EFFECT THROUGH EARLY SUNDAY MORNING... * WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of Illinois, including the following areas, Boone, Central Cook, De Kalb, DuPage, Kane, Kendall, Lake IL, Lee, McHenry, Northern Cook, Northern Will, Ogle, Southern Cook and Winnebago and northwest Indiana, including the following areas, Lake IN and Porter. * WHEN...Through early Sunday morning. * 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... - Showers and thunderstorms, some with torrential rainfall with hourly rates around 2 inches per hour, are expected to redevelop across the watch area this evening and overnight. Repeated rounds of heavy rainfall may result in areas of flash flooding and rapid rises on area rivers. - 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: 7:56 PM Sep. 19, 2026 – National Weather Service
...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM SUNDAY TO 7 PM CDT TUESDAY... ...PREVIOUS SMALL CRAFT ADVISORY WILL EXPIRE AT 3 PM CDT THIS AFTERNOON... * WHAT...Northeast winds to 30 kt and significant waves to 10 ft occasionally to 13 ft expected. * WHERE...Winthrop Harbor to Northerly Island IL. * WHEN...From 7 AM Sunday to 7 PM CDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. &&
Beach Hazard Statement
Issued: 7:50 PM Sep. 19, 2026 – National Weather Service
...BEACH HAZARDS STATEMENT IN EFFECT FROM SUNDAY MORNING THROUGH TUESDAY EVENING... ...PREVIOUS BEACH HAZARDS STATEMENT WILL EXPIRE AT 3 PM CDT THIS AFTERNOON... * WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. Waves 7 to 10 ft expected. * WHERE...Northern Cook and Central Cook Counties. * WHEN...From Sunday morning through Tuesday evening. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures. &&
River Flood Watch
Issued: 2:39 PM Sep. 19, 2026 – National Weather Service
...FLOOD WATCH IN EFFECT FROM SUNDAY MORNING TO TUESDAY MORNING... * WHAT...Flooding is possible. * WHERE...Des Plaines River from Roosevelt Road in Forest Park downstream to Hodgkins, including the Riverside gauge. * WHEN...From Sunday morning to Tuesday morning. * ADDITIONAL DETAILS... - At 8:45 AM CDT Saturday the stage was 3.2 feet. - Forecast...Flood stage may be reached late Sunday morning. - Flood stage is 7.5 feet. - http://www.weather.gov/safety/flood &&
River Flood Watch
Issued: 2:39 PM Sep. 19, 2026 – National Weather Service
...FLOOD WATCH IN EFFECT FROM SUNDAY MORNING UNTIL FURTHER NOTICE... * WHAT...Flooding is possible. * WHERE...Des Plaines River from Palatine Road in Prospect Heights downstream to Irving Park Road in Chicago, including the Des Plaines gauge. * WHEN...From Sunday morning until further notice. * ADDITIONAL DETAILS... - At 8:45 AM CDT Saturday the stage was 10.1 feet. - Forecast...Flood stage may be reached based on the latest forecast information. - Flood stage is 15.0 feet. - http://www.weather.gov/safety/flood &&
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