Hoiatused Arrowhead Park, Illinois

Flood

4.7 6:00 PM 18:00 – 5.7 3:00 AM 03:00

Flood Watch issued July 4 at 9:39AM CDT until July 4 at 10:00PM CDT by NWS Chicago IL * WHAT...Flooding caused by torrential downpours is possible. * WHERE...Portions of Illinois, including the following areas, Central Cook, De Kalb, DuPage, Eastern Will, Grundy, Kane, Kendall, La Salle, Lee, Northern Cook, Northern Will, Southern Cook and Southern Will and northwest Indiana, including the following area, Lake IN. * WHEN...From 1 PM CDT this afternoon through this evening. * IMPACTS...Flooding of streets, underpasses, basements, and vulnerable structures is possible. Storm drains and ditches may be clogged with debris, increasing the risk of flooding. This is especially true in the Chicago metropolitan area. * ADDITIONAL DETAILS... - Parts of the Flood Watch area have picked up 3 to 6 inches of rain in the past 48 hours. As a result, many rivers and creeks in the watch area are already at bankfull and soils are saturated. Additional torrential downpours today may lead to flooding, some of which could be significant particularly in the Chicago metropolitan area. - http://www.weather.gov/safety/flood 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. Monitor the latest forecasts and be prepared to action should flooding develop.

National Weather Service

Flood

4.7 0:39 PM 12:39 – 4.7 5:00 PM 17:00

Flood Warning issued July 4 at 7:39AM CDT until July 4 at 12:00PM CDT by NWS Chicago IL * WHAT...Flooding caused by multiple rounds of thunderstorms continues. * WHERE...Portions of northeast Illinois, including the following counties, Cook and Will and northwest Indiana, including the following county, Lake IN. * WHEN...Until noon CDT. * IMPACTS...Flooding is occurring in poor drainage and urban areas. Roads and streets may be flooded. High water may recede slowly from flooded areas, possibly stalled by clogged drains. * ADDITIONAL DETAILS... - At 736 AM CDT, flooding was occurring in the warned area. In the past 48 hours, between 4 and 6 inches of rain has fallen. River gauges indicate that creeks and rivers are at or above flood stage, suggesting there are areas of standing water and flooding in the area. - Additional waves of storms may aggravate flooding today. - Some locations that will experience flooding include... Chicago, Hammond, Gary, Orland Park, Tinley Park, Oak Lawn, Calumet City, Chicago Heights, Roseland, Chicago Lawn, Englewood, South Shore, East Chicago, Schererville, Lansing, Oak Forest, Harvey, New Lenox, Homer Glen and Highland. - http://www.weather.gov/safety/flood A Flood Warning means flooding is imminent or may already be occurring. Persons along rivers, creeks, and other waterways should take immediate precautions to protect life and property. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.

National Weather Service

Flood

4.7 10:44 AM 10:44 – 6.7 3:00 AM 03:00

Flood Warning issued July 4 at 5:44AM CDT until July 5 at 10:00PM CDT by NWS Chicago IL ...Forecast flooding changed to Minor severity and increased in duration for the following rivers in Illinois... Thorn Creek at Thornton affecting Cook County. For the Thorn Creek...including Thornton...Minor flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Thorn Creek from Near Glenwood downstream to confluence with Little Calumet River, including the Thornton gauge. * WHEN...Until late tomorrow evening. * IMPACTS...At 12.0 feet, Structures threatened along Glenwood Thornton Road north of Glenwood. * ADDITIONAL DETAILS... - At 5:30 AM CDT Saturday the stage was 10.9 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 5:30 AM CDT Saturday was 10.9 feet. - Forecast...The river is expected to rise to a crest of 12.5 feet this afternoon. It will then fall below flood stage tomorrow afternoon. - Flood stage is 9.0 feet. - http://www.weather.gov/safety/flood A Flood Warning means water levels above flood stage are imminent or may already be occurring. Persons along rivers and streams in the warned area should take immediate precautions to protect life and property. These forecasts are based on observed precipitation as well as forecast precipitation 24 hours into the future. Changes to the rainfall forecast, or any additional rainfall after 24 hours, may cause changes to these river forecasts. Additional information is available at www.weather.gov. The next statement will be issued by this evening.

National Weather Service