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    Warnings - Flossmoor

    World / United States / Illinois / Flossmoor

    41°32'N / 87°41'W / Altitude 205 m / 16:33 2026/06/17, America/Chicago (UTC-5)

    flood

    Flood Watch issued June 17 at 12:53PM CDT until June 17 at 9:00PM CDT by NWS Chicago IL

    From: 2026/06/17, 12:53
    To: 2026/06/17, 20:00

    * WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of Illinois, including the following areas, Central Cook, DuPage, Eastern Will, Ford, Grundy, Iroquois, Kane, Kankakee, Kendall, La Salle, Lake IL, Livingston, Northern Cook, Northern Will, Southern Cook and Southern Will and northwest Indiana, including the following areas, Benton, Jasper, Lake IN, Newton and Porter. * WHEN...Until 9 PM CDT /10 PM EDT/ this evening. * IMPACTS...Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - Additional waves of heavy rainfall are possible through the evening with rainfall rates in excess of one to two inches per hour possible. Soil moisture and streamflow are already elevated, so any heavy rainfall could result in flooding of rivers, streams, urban areas, and other flood prone areas. The highest threat for flash flooding is expected near and south of Interstate 80. - http://www.weather.gov/safety/flood

    • Southern Cook,Cook
    • 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.
    • NWS Chicago IL
    • 2026/06/17, 12:53
    flood

    Flash Flood Warning issued June 17 at 3:55PM CDT until June 17 at 7:00PM CDT by NWS Chicago IL

    From: 2026/06/17, 15:55
    To: 2026/06/17, 19:00

    FFWLOT The National Weather Service in Chicago has issued a * Flash Flood Warning for... Southeastern Cook County in northeastern Illinois... Northern Lake IN County in northwestern Indiana... * Until 700 PM CDT. * At 355 PM CDT, Doppler radar indicated heavy rainfall across the warned area, with rates of 1 to 2 inches per hour. Up to 1.5 inches of rain have fallen. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding. SOURCE...Radar. 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... Hammond, Gary, Tinley Park, Calumet City, Portage, Merrillville, Chicago Heights, East Chicago, Schererville, Hobart, Lansing, Oak Forest, Harvey, Highland, Munster, Dolton, Park Forest, Homewood, Matteson and Frankfort.

    • Cook, IL; Lake, IN
    • 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.
    • NWS Chicago IL
    • 2026/06/17, 15:55
    other

    Beach Hazards Statement issued June 17 at 3:22PM CDT until June 18 at 4:00AM CDT by NWS Chicago IL

    From: 2026/06/17, 15:22
    To: 2026/06/17, 23:30

    * WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. Waves 5 to 8 ft expected. * WHERE...Lake IL, Northern Cook and Central Cook Counties. * WHEN...Through late tonight. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers. For information on swim advisories or bans at Chicago beaches: www. cpdbeaches. com.

    • Cook
    • Remain out of the water to avoid dangerous swimming conditions and do not venture out onto piers, jetties, breakwalls, or other shoreline structures.
    • NWS Chicago IL
    • 2026/06/17, 15:22
    flood

    Flood Advisory issued June 17 at 3:10PM CDT until June 17 at 6:15PM CDT by NWS Chicago IL

    From: 2026/06/17, 15:10
    To: 2026/06/17, 18:15

    * WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Portions of northeast Illinois, including the following counties, Cook and Will and northwest Indiana, including the following county, Lake IN. * WHEN...Until 615 PM CDT. * IMPACTS...Flooding may occur in poor drainage and urban areas. Underpasses may be flooded. Roads and streets may be flooded. * ADDITIONAL DETAILS... - At 307 PM CDT, Doppler radar and automated rain gauges indicated heavy rain with rates in excess of 1 inch per hour. Around 1 inch of rain has fallen in portions of the advisory area. - Some locations that will experience flooding include... South Side of Joliet, Hammond, Gary, Tinley Park, Calumet City, Portage, Merrillville, Chicago Heights, East Chicago, Schererville, Hobart, Lansing, Oak Forest, Crown Point, Harvey, and New Lenox. - http://www.weather.gov/safety/flood

    • Cook, IL; Will, IL; Lake, IN
    • 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.
    • NWS Chicago IL
    • 2026/06/17, 15:10