Active Weather Alerts
Flood Advisory
Issued: 10:07 PM Jun. 18, 2025 – National Weather Service
...FLOOD ADVISORY IN EFFECT UNTIL 815 PM CDT THIS EVENING... * WHAT...Flooding caused by excessive rainfall is expected. * WHERE...A portion of northeast Illinois, including the following counties, Cook and Will. * WHEN...Until 815 PM CDT. * IMPACTS...Creeks and streams may rise out of their banks. Underpasses may be flooded. Roads and streets may be flooded. * ADDITIONAL DETAILS... - At 506 PM CDT, Doppler radar and automated rain gauges indicated heavy rainfall with rates up to 2 inches per hour due to slow moving showers. Up to 2 inches of rain have fallen. - Additional rainfall amounts up to 1 inch are expected over the area. - Some locations that mayer experience flooding include... Chicago, Aurora, Joliet, Naperville, Hammond, Bolingbrook, Orland Park, Tinley Park, Oak Lawn, Romeoville, Plainfield, Calumet City, Woodridge, Chicago Heights, Roseland, Lansing, Oak Forest, Harvey, Lockport and New Lenox. - 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. &&
Flood Watch
Issued: 3:28 PM Jun. 18, 2025 – National Weather Service
...FLOOD WATCH IN EFFECT UNTIL 8 PM CDT THIS EVENING... * WHAT...Flooding caused by excessive rainfall is possible. * WHERE...Portions of central, north central, and northeast Illinois, including the following areas, in central Illinois, Livingston. In north central Illinois, La Salle. In northeast Illinois, Central Cook, DuPage, Eastern Will, Grundy, Kankakee, Kendall, Northern Cook, Northern Will, Southern Cook and Southern Will. * WHEN...Until 8 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... - Slow moving thunderstorms capable of producing very heavy rainfall are expected to develop this afternoon and may linger into the early evening. Given the very moist air mass in place, the most intense thunderstorms will be capable of producing up to 2 inches of rain in an hour or less. Some portions of the watch area received very heavy rainfall over the past 24 hours, which will increase the threat of flash flooding. - http://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flood Watch means flooding is possible, but not yet certain, based upon the latest forecasts. 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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