Renault Warnings, Watches and Advisories
NWS Active Alerts for IL - Map View
Flood Watch
Buchanan; Delaware; Dubuque; Benton; Linn; Jones; Jackson; Iowa; Johnson; Cedar; Clinton; Muscatine; Scott; Washington; Louisa; Jo Daviess; Stephenson; Carroll; Whiteside; Rock Island; Mercer
Flood Watch issued September 19 at 11:36AM CDT until September 20 at 7:00AM CDT by NWS Quad Cities IA IL
* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of northwest Illinois, including the following counties, Carroll, Jo Daviess, Mercer, Rock Island, Stephenson and Whiteside and Iowa, including the following counties, Benton, Buchanan, Cedar, Clinton, Delaware, Dubuque, Iowa, Jackson, Johnson, Jones, Linn, Louisa, Muscatine, Scott and Washington. * WHEN...Through Sunday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - Widespread showers and storms are expected to develop again this evening and last into Sunday. These storms will be capable of rainfall rates between 1 to 2 inches per hour. Rainfall totals of 1 to 3 inches are likely in the hardest hit areas tonight, with the potential for localized areas of 3+ inches.
Severe
Possible
Future
September 19th, 2026 11:36:00 am CDT
September 19th, 2026 11:36:00 am CDT
September 20th, 2026 07:00:00 am CDT
Flood Watch
Boone; Lake; Ogle; Lee; De Kalb; Kane; DuPage; Kendall; Northern Cook; Central Cook; Southern Cook; Northern Will; Lake; Porter
Flood Watch issued September 19 at 10:34AM CDT until September 20 at 7:00AM CDT by NWS Chicago IL
* 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, Northern Cook, Northern Will, Ogle and Southern Cook and northwest Indiana, including the following areas, Lake IN and Porter. * WHEN...Through early Sunday morning. * IMPACTS...Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Roads and streets may be flooded. * ADDITIONAL DETAILS... - An additional round of showers and thunderstorms, some with very heavy rainfall, are expected this evening and overnight which may result in areas of flash flooding, particularly over urban or areas of poor drainage. - http://www.weather.gov/safety/flood
Severe
Possible
Future
September 19th, 2026 10:34:00 am CDT
September 19th, 2026 10:34:00 am CDT
September 19th, 2026 06:45:00 pm CDT
Flood Watch
Winnebago; McHenry
Flood Watch issued September 19 at 10:34AM CDT until September 20 at 7:00AM CDT by NWS Chicago IL
* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of north central and northeast Illinois, including the following counties, in north central Illinois, Winnebago. In northeast Illinois, McHenry. * WHEN...Through early Sunday morning. * IMPACTS...Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Roads and streets may be flooded. * ADDITIONAL DETAILS... - An additional round of showers and thunderstorms, some with very heavy rainfall, are expected this evening and overnight which may result in areas of flash flooding, particularly over urban or areas of poor drainage. - http://www.weather.gov/safety/flood
Severe
Possible
Future
September 19th, 2026 10:34:00 am CDT
September 19th, 2026 10:34:00 am CDT
September 19th, 2026 06:45:00 pm CDT
Heat Advisory
Jefferson; Wayne; Edwards; Wabash; Perry; Franklin; Hamilton; White; Jackson; Williamson; Saline; Gallatin; Union; Johnson; Pope; Hardin; Alexander; Pulaski; Massac; Gibson; Pike; Posey; Vanderburgh; Warrick; Spencer; Fulton; Hickman; Carlisle; Ballard; McCracken; Graves; Livingston; Marshall; Calloway; Crittenden; Lyon; Trigg; Caldwell; Union; Webster; Hopkins; Christian; Henderson; Daviess; McLean; Muhlenberg; Todd; Perry; Bollinger; Cape Girardeau; Wayne; Carter; Ripley; Butler; Stoddard; Scott; Mississippi; New Madrid
Heat Advisory issued September 19 at 10:19AM CDT until September 20 at 7:00PM CDT by NWS Paducah KY
* WHAT...Peak Heat Index values up to around 100 degrees this weekend. * WHERE...All of southern Illinois, southwest Indiana, western Kentucky, and southeast Missouri. * WHEN...Until 7 PM CDT /8 PM EDT/ Sunday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...The Heat Advisory was extended thru the weekend due to the prolonged high heat conditions that have basically been ongoing for the entirety of the past week; this continues to heighten the risk of heat-related health impacts.
Moderate
Likely
Expected
September 19th, 2026 10:19:00 am CDT
September 19th, 2026 10:19:00 am CDT
September 20th, 2026 04:15:00 am CDT
Flood Watch
Rock Island; Henry
Flood Watch issued September 19 at 9:41AM CDT until September 24 at 9:00PM CDT by NWS Quad Cities IA IL
...The National Weather Service in Quad Cities has issued a Flood Watch for the following rivers in Illinois... Rock River near Joslin affecting Henry IL, Rock Island and Whiteside zones. Rock River at Moline affecting Rock Island and Henry IL zones. * WHAT...Flooding is possible. * WHERE...Rock River at Moline. * WHEN...From Tuesday evening to Thursday evening. * ADDITIONAL DETAILS... - At 8:30 AM CDT Saturday the stage was 9.0 feet and steady. - Forecast...Flood stage may be reached late Tuesday evening. - Flood stage is 12.0 feet.
Severe
Possible
Future
September 19th, 2026 09:41:00 am CDT
September 19th, 2026 09:41:00 am CDT
September 20th, 2026 09:45:00 am CDT
Flood Watch
Whiteside; Rock Island; Henry
Flood Watch issued September 19 at 9:41AM CDT until September 25 at 3:00AM CDT by NWS Quad Cities IA IL
...The National Weather Service in Quad Cities has issued a Flood Watch for the following rivers in Illinois... Rock River near Joslin affecting Henry IL, Rock Island and Whiteside zones. Rock River at Moline affecting Rock Island and Henry IL zones. * WHAT...Flooding is possible. * WHERE...Rock River near Joslin. * WHEN...From late Monday night to late Thursday night. * ADDITIONAL DETAILS... - At 8:45 AM CDT Saturday the stage was 5.8 feet and steady. - Forecast...Flood stage may be reached early Tuesday morning. - Flood stage is 12.0 feet.
Severe
Possible
Future
September 19th, 2026 09:41:00 am CDT
September 19th, 2026 09:41:00 am CDT
September 20th, 2026 09:45:00 am CDT
Flood Watch
Central Cook
Flood Watch issued September 19 at 9:38AM CDT until September 22 at 7:00AM CDT by NWS Chicago IL
...The National Weather Service in Chicago has issued a Flood Watch for the following rivers in Illinois... Des Plaines River near Russell affecting Lake IL County. Des Plaines River near Gurnee affecting Lake IL County. Des Plaines River at Lincolnshire affecting Cook and Lake IL County. Des Plaines River near Des Plaines affecting Cook County. Des Plaines River at Riverside affecting Cook County. .The combination of heavy rain this morning and expected additional thunderstorms with heavy rain tonight may lead to river flooding along the Des Plaines River basin as early as Sunday morning. The heavy rain tonight is expected to occur along a roughly west to east axis across northern Illinois, though the exact location across the river basin remains uncertain. Flooding severity may be higher or lower over the basin depending on the ultimate placement of the highest rainfall tonight. * WHAT...Flooding is possible. * WHERE...Des Plaines River from Roosevelt Road in Forest Park downstream to Hodgkins, including the Riverside gauge. * WHEN...From Sunday morning to Tuesday morning. * ADDITIONAL DETAILS... - At 8:45 AM CDT Saturday the stage was 3.2 feet. - Forecast...Flood stage may be reached late Sunday morning. - Flood stage is 7.5 feet. - http://www.weather.gov/safety/flood
Severe
Possible
Future
September 19th, 2026 09:38:00 am CDT
September 19th, 2026 09:38:00 am CDT
September 20th, 2026 03:45:00 am CDT
Flood Watch
Northern Cook; Central Cook
Flood Watch issued September 19 at 9:38AM CDT by NWS Chicago IL
...The National Weather Service in Chicago has issued a Flood Watch for the following rivers in Illinois... Des Plaines River near Russell affecting Lake IL County. Des Plaines River near Gurnee affecting Lake IL County. Des Plaines River at Lincolnshire affecting Cook and Lake IL County. Des Plaines River near Des Plaines affecting Cook County. Des Plaines River at Riverside affecting Cook County. .The combination of heavy rain this morning and expected additional thunderstorms with heavy rain tonight may lead to river flooding along the Des Plaines River basin as early as Sunday morning. The heavy rain tonight is expected to occur along a roughly west to east axis across northern Illinois, though the exact location across the river basin remains uncertain. Flooding severity may be higher or lower over the basin depending on the ultimate placement of the highest rainfall tonight. * WHAT...Flooding is possible. * WHERE...Des Plaines River from Palatine Road in Prospect Heights downstream to Irving Park Road in Chicago, including the Des Plaines gauge. * WHEN...From Sunday morning until further notice. * ADDITIONAL DETAILS... - At 8:45 AM CDT Saturday the stage was 10.1 feet. - Forecast...Flood stage may be reached based on the latest forecast information. - Flood stage is 15.0 feet. - http://www.weather.gov/safety/flood
Severe
Possible
Future
September 19th, 2026 09:38:00 am CDT
September 19th, 2026 09:38:00 am CDT
September 20th, 2026 03:45:00 am CDT
Flood Watch
Lake; Northern Cook
Flood Watch issued September 19 at 9:38AM CDT by NWS Chicago IL
...The National Weather Service in Chicago has issued a Flood Watch for the following rivers in Illinois... Des Plaines River near Russell affecting Lake IL County. Des Plaines River near Gurnee affecting Lake IL County. Des Plaines River at Lincolnshire affecting Cook and Lake IL County. Des Plaines River near Des Plaines affecting Cook County. Des Plaines River at Riverside affecting Cook County. .The combination of heavy rain this morning and expected additional thunderstorms with heavy rain tonight may lead to river flooding along the Des Plaines River basin as early as Sunday morning. The heavy rain tonight is expected to occur along a roughly west to east axis across northern Illinois, though the exact location across the river basin remains uncertain. Flooding severity may be higher or lower over the basin depending on the ultimate placement of the highest rainfall tonight. * 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 AM CDT Saturday the stage was 7.6 feet. - Forecast...Flood stage may be reached Sunday afternoon. - Flood stage is 12.5 feet. - http://www.weather.gov/safety/flood
Severe
Possible
Future
September 19th, 2026 09:38:00 am CDT
September 19th, 2026 09:38:00 am CDT
September 20th, 2026 03:45:00 am CDT
Flood Watch
Lake
Flood Watch issued September 19 at 9:38AM CDT by NWS Chicago IL
...The National Weather Service in Chicago has issued a Flood Watch for the following rivers in Illinois... Des Plaines River near Russell affecting Lake IL County. Des Plaines River near Gurnee affecting Lake IL County. Des Plaines River at Lincolnshire affecting Cook and Lake IL County. Des Plaines River near Des Plaines affecting Cook County. Des Plaines River at Riverside affecting Cook County. .The combination of heavy rain this morning and expected additional thunderstorms with heavy rain tonight may lead to river flooding along the Des Plaines River basin as early as Sunday morning. The heavy rain tonight is expected to occur along a roughly west to east axis across northern Illinois, though the exact location across the river basin remains uncertain. Flooding severity may be higher or lower over the basin depending on the ultimate placement of the highest rainfall tonight. * 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 AM CDT Saturday the stage was 5.1 feet. - Forecast...Flood stage may be reached Sunday morning. - Flood stage is 7.0 feet. - http://www.weather.gov/safety/flood
Severe
Possible
Future
September 19th, 2026 09:38:00 am CDT
September 19th, 2026 09:38:00 am CDT
September 20th, 2026 03:45:00 am CDT
Flood Watch
Lake
Flood Watch issued September 19 at 9:38AM CDT by NWS Chicago IL
...The National Weather Service in Chicago has issued a Flood Watch for the following rivers in Illinois... Des Plaines River near Russell affecting Lake IL County. Des Plaines River near Gurnee affecting Lake IL County. Des Plaines River at Lincolnshire affecting Cook and Lake IL County. Des Plaines River near Des Plaines affecting Cook County. Des Plaines River at Riverside affecting Cook County. .The combination of heavy rain this morning and expected additional thunderstorms with heavy rain tonight may lead to river flooding along the Des Plaines River basin as early as Sunday morning. The heavy rain tonight is expected to occur along a roughly west to east axis across northern Illinois, though the exact location across the river basin remains uncertain. Flooding severity may be higher or lower over the basin depending on the ultimate placement of the highest rainfall tonight. * 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 AM CDT Saturday the stage was 3.7 feet. - Forecast...Flood stage may be reached late Sunday morning. - Flood stage is 7.0 feet. - http://www.weather.gov/safety/flood
Severe
Possible
Future
September 19th, 2026 09:38:00 am CDT
September 19th, 2026 09:38:00 am CDT
September 20th, 2026 03:45:00 am CDT
Beach Hazards Statement
Northern Cook; Central Cook
Beach Hazards Statement issued September 19 at 9:22AM CDT until September 19 at 3:00PM CDT by NWS Chicago IL
* WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. Waves 4 to 6 ft expected. * WHERE...Northern Cook and Central Cook Counties. * WHEN...Until 3 PM CDT this afternoon. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers.
Moderate
Likely
Expected
September 19th, 2026 09:22:00 am CDT
September 19th, 2026 09:22:00 am CDT
September 19th, 2026 03:00:00 pm CDT
Beach Hazards Statement
Lake
Beach Hazards Statement issued September 19 at 9:22AM CDT until September 19 at 7:00PM CDT by NWS Chicago IL
* WHAT...High wave action and dangerous currents expected at Lake Michigan beaches. Waves 4 to 6 ft expected. * WHERE...Lake County IL. * WHEN...Until 7 PM CDT this evening. * IMPACTS...Swimming conditions will be life threatening, especially for inexperienced swimmers.
Moderate
Likely
Expected
September 19th, 2026 09:22:00 am CDT
September 19th, 2026 09:22:00 am CDT
September 19th, 2026 05:30:00 pm CDT
Heat Advisory
Bond; Clinton; Marion; Washington; Randolph; Madison; St. Clair; Monroe; Moniteau; Cole; Osage; Gasconade; Warren; St. Charles; Franklin; St. Louis; St. Louis City; Jefferson; Crawford; Washington; St. Francois; Ste. Genevieve; Iron; Madison; Reynolds
Heat Advisory issued September 19 at 4:15AM CDT until September 19 at 8:00PM CDT by NWS St Louis MO
* WHAT...Heat index values up to 101. * WHERE...Portions of south central and southwest Illinois and central, east central, and southeast Missouri. * WHEN...Until 8 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
Moderate
Likely
Expected
September 19th, 2026 04:15:00 am CDT
September 19th, 2026 04:15:00 am CDT
September 19th, 2026 07:15:00 pm CDT
SAFETY and DATA MESSAGE
When a severe thunderstorm warning is issued, the storm may produce damaging winds, large hail, dangerous lightning, and heavy rain. In some cases, heavy rainfall produced by a severe storm can also lead to flash flooding. Do not drive vehicles through flooded areas. The water depth or fast flowing water/mud/debris from a flash flood will make road conditions unsafe. Do not rely soley on data presented here or other third-party websites - always check your official national and local weather service agency website, socials, radio and/or TV stations for making critical decisions related to weather events.
Please carefully read each posted Warning and Alert as it relates to the area(s) being affected. We may provide a wider range of issued severe weather warnings for surrounding cities and counties, so some alerts may not directly impact this location. This is done to help with preparing for severe weather that may overlap or be heading towards Renault.
Use the Radar Maps link provided to understand the trajectory of a storm.
For more official information about severe storms and how to stay safe, visit the National Weather Service's Severe Thunderstorm Safety page. We encourage you to also monitor Excessive Rainfall Forecasts on their Weather Prediction Center website.