41°32'Z / 87°41'R / Augstums 205 m / 05:55 17.06.2026, America/Chicago (UTC-5)
no: 17.06.2026, 10:00
uz: 17.06.2026, 10:30
* WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...Portions of Illinois, including the following counties, in Illinois, Cook, DuPage, Will, Ford, Grundy, Iroquois, Kane, Kankakee, Kendall, La Salle, Lake IL, and Livingston. In Indiana this flood watch includes the Benton, Jasper, Lake IN, Newton and Porter Counties. * WHEN...From 10 AM CDT this morning through this evening. * IMPACTS...Creeks and streams may rise out of their banks. * ADDITIONAL DETAILS... - Showers and thunderstorms are expected today. Rain may be heavy at times, with the strongest storms capable of torrential rainfall which could drop up to 2 inches of rain in just an hour's time in the hardest hit areas. Soil moisture is already quite high and stream flows elevated, so heavy rainfall could quickly result in flash flooding of streams, creeks, low lying, and flood prone areas. - 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
17.06.2026, 02:20
no: 17.06.2026, 03:03
uz: 17.06.2026, 11:15
* WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. Waves 4 TO 7 ft expected. * WHERE...Lake IL, Northern Cook and Central Cook Counties. * WHEN...From 1 PM CDT this afternoon 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.
CookRemain out of the water to avoid dangerous swimming conditions
and do not venture out onto piers, jetties, breakwalls, or other
shoreline structures.NWS Chicago IL17.06.2026, 03:03