Active Weather Alerts
Beach Hazard Statement
Issued: 3:06 AM Sep. 20, 2026 – National Weather Service
...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 7 AM CDT SUNDAY THROUGH TUESDAY EVENING... * WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. Waves 7 to 10 ft expected. * WHERE...Lake IL, Northern Cook, and Central Cook Counties. * WHEN...From 7 AM CDT Sunday 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: 3:03 AM Sep. 20, 2026 – National Weather Service
...FLOOD WATCH REMAINS IN EFFECT FROM LATE TONIGHT 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 late tonight until further notice. * ADDITIONAL DETAILS... - At 8:30 PM CDT Saturday the stage was 5.7 feet. - Forecast...Flood stage may be reached Sunday evening. - Flood stage is 7.0 feet. - http://www.weather.gov/safety/flood &&
River Flood Watch
Issued: 3:03 AM Sep. 20, 2026 – National Weather Service
...FLOOD WATCH REMAINS IN EFFECT FROM SUNDAY MORNING UNTIL FURTHER NOTICE... * WHAT...Flooding is possible. * WHERE...Des Plaines River from US-41 in Gurnee downstream to Townline Road in Vernon Hills, including the Gurnee gauge. * WHEN...From Sunday morning until further notice. * ADDITIONAL DETAILS... - At 8:30 PM CDT Saturday the stage was 4.6 feet. - Forecast...Flood stage may be reached Monday morning. - Flood stage is 7.0 feet. - http://www.weather.gov/safety/flood &&
River Flood Watch
Issued: 3:03 AM Sep. 20, 2026 – National Weather Service
...FLOOD WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON 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 Sunday afternoon until further notice. * ADDITIONAL DETAILS... - At 8:45 PM CDT Saturday the stage was 8.3 feet. - Forecast...Rises on the river are possible over the next few days. The river may reach flood stage. - Flood stage is 12.5 feet. - http://www.weather.gov/safety/flood &&
Small Craft Advisory
Issued: 2:57 AM Sep. 20, 2026 – National Weather Service
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 AM SUNDAY TO 7 PM CDT TUESDAY... * 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. &&
River Flood Watch
Issued: 1:30 AM Sep. 20, 2026 – National Weather Service
...FLOOD WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON TO THURSDAY EVENING... * WHAT...Flooding is possible. * WHERE...Fox River Lower near New Munster. * WHEN...From Sunday afternoon to Thursday evening. * ADDITIONAL DETAILS... - At 8:00 PM CDT Saturday the stage was 8.3 feet. - Forecast...Flood stage may be reached tomorrow afternoon. - Flood stage is 11.0 feet. - http://www.weather.gov/safety/flood &&
Flood Watch
Issued: 1:23 AM Sep. 20, 2026 – National Weather Service
...FLOOD WATCH REMAINS IN EFFECT UNTIL 7 AM CDT SUNDAY... * 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...Until 7 AM CDT Sunday. * 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... - Another round of showers and thunderstorms is expected late this evening and overnight. Swaths of heavy to very heavy rainfall with 2+ inch per hour rainfall rates are likely to occur within the watch area and may result in areas of flash flooding and cause rapid rises on area rivers, creeks, and streams. - 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. &&
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