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Public Safety Alerts
Illinois Severe Severe Thunderstorm Warning | Effective 07/27/2026 14:35
Severe Thunderstorm Warning issued July 27 at 4:35PM CDT until July 27 at 5:30PM CDT by NWS Chicago IL
Event: Severe Thunderstorm Warning
Desc: At 435 PM CDT, a severe thunderstorm was located over Norridge,
moving south at 30 mph.
HAZARD...Golf ball size hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect wind
damage to roofs, siding, and trees....
Areas: Cook County IL, DuPage County IL
Severity: Severe
Urgency: Immediate
Effective: Monday, July 27, 2026 - 14:35
Expires: Monday, July 27, 2026 - 15:30
Sender: [email protected]
Illinois Severe Severe Thunderstorm Warning | Effective 07/27/2026 14:32
Severe Thunderstorm Warning issued July 27 at 4:32PM CDT until July 27 at 5:45PM CDT by NWS Chicago IL
Event: Severe Thunderstorm Warning
Desc: SVRLOT
The National Weather Service in Chicago has issued a
* Severe Thunderstorm Warning for...
Northern Iroquois County in east central Illinois...
* Until 545 PM CDT.
* At 432 PM CDT, a severe thunderstorm was located over Limestone, or
near Bourbonnais, moving southeast at 30 mph.
HAZARD...Golf ball size hail and 70 mph...
Areas: Iroquois County IL
Severity: Severe
Urgency: Immediate
Effective: Monday, July 27, 2026 - 14:32
Expires: Monday, July 27, 2026 - 15:45
Sender: [email protected]
Illinois Severe Severe Thunderstorm Warning | Effective 07/27/2026 14:26
Severe Thunderstorm Warning issued July 27 at 4:26PM CDT until July 27 at 5:30PM CDT by NWS Chicago IL
Event: Severe Thunderstorm Warning
Desc: At 426 PM CDT, a severe thunderstorm was located over Niles, moving
south at 30 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Chicago, Cicero, Arlington Heights, Evanston, Palatine, Skokie, Des
Plaines, Orland Park, Oak Lawn, Berwyn...
Areas: Cook County IL, DuPage County IL
Severity: Severe
Urgency: Immediate
Effective: Monday, July 27, 2026 - 14:26
Expires: Monday, July 27, 2026 - 15:30
Sender: [email protected]
Iowa, Illinois, Missouri Severe Extreme Heat Warning | Effective 07/27/2026 14:23
Extreme Heat Warning issued July 27 at 4:23PM CDT until July 27 at 10:00PM CDT by NWS Quad Cities IA IL
Event: Extreme Heat Warning
Desc: * WHAT...A dangerous combination of oppressively humid and hot
conditions with heat index values between 105 to 115 expected into
the evening.
* WHERE...Portions of north central, northwest, and west central
Illinois, east central, northeast, and southeast Iowa, and
northeast Missouri.
* WHEN...Until 10 PM CDT this evening.
*...
Areas: Buchanan County IA, Delaware County IA, Dubuque County IA, Benton County IA, Linn County IA, Jones County IA, Jackson County IA, Iowa County IA, Johnson County IA, Cedar County IA, Clinton County IA, Muscatine County IA, Scott County IA, Keokuk County IA, Washington County IA, Louisa County IA, Jefferson County IA, Henry County IA, Des Moines County IA, Van Buren County IA, Lee County IA, Jo Daviess County IL, Stephenson County IL, Carroll County IL, Whiteside County IL, Rock Island County IL, Henry County IL, Bureau County IL, Putnam County IL, Mercer County IL, Henderson County IL, Warren County IL, Hancock County IL, McDonough County IL, Scotland County MO, Clark County MO
Severity: Severe
Urgency: Expected
Effective: Monday, July 27, 2026 - 14:23
Expires: Monday, July 27, 2026 - 20:00
Sender: [email protected]
Illinois Severe Severe Thunderstorm Warning | Effective 07/27/2026 14:08
Severe Thunderstorm Warning issued July 27 at 4:08PM CDT until July 27 at 5:30PM CDT by NWS Chicago IL
Event: Severe Thunderstorm Warning
Desc: SVRLOT
The National Weather Service in Chicago has issued a
* Severe Thunderstorm Warning for...
Eastern DuPage County in northeastern Illinois...
Cook County in northeastern Illinois...
* Until 530 PM CDT.
* At 408 PM CDT, a severe thunderstorm was located over Deerfield,
or over Highland Park, and extending in a line over...
Areas: Cook County IL, DuPage County IL
Severity: Severe
Urgency: Immediate
Effective: Monday, July 27, 2026 - 14:08
Expires: Monday, July 27, 2026 - 15:30
Sender: [email protected]
Illinois Severe Extreme Heat Warning | Effective 07/27/2026 14:07
Extreme Heat Warning issued July 27 at 4:07PM CDT until July 27 at 9:00PM CDT by NWS Chicago IL
Event: Extreme Heat Warning
Desc: * WHAT...Dangerously hot conditions with heat index values up to 113.
* WHERE...Livingston, Boone, De Kalb, La Salle, Lee, Ogle, and
Winnebago Counties.
* WHEN...Until 9 PM CDT this evening.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events.
Areas: Winnebago County IL, Boone County IL, Ogle County IL, Lee County IL, DeKalb County IL, LaSalle County IL, Livingston County IL
Severity: Severe
Urgency: Expected
Effective: Monday, July 27, 2026 - 14:07
Expires: Monday, July 27, 2026 - 19:00
Sender: [email protected]
Illinois Severe Flash Flood Warning | Effective 07/27/2026 13:36
Flash Flood Warning issued July 27 at 3:36PM CDT until July 27 at 6:45PM CDT by NWS Chicago IL
Event: Flash Flood Warning
Desc: FFWLOT
The National Weather Service in Chicago has issued a
* Flash Flood Warning for...
Northeastern Kendall County in northeastern Illinois...
Northwestern Will County in northeastern Illinois...
* Until 645 PM CDT.
* At 336 PM CDT, Doppler radar indicated thunderstorms producing
rainfall rates of 1 to 3 inches per hour. Up...
Areas: Kendall County IL, Will County IL
Severity: Severe
Urgency: Immediate
Effective: Monday, July 27, 2026 - 13:36
Expires: Monday, July 27, 2026 - 16:45
Sender: [email protected]
Illinois, Indiana Severe Flood Warning | Effective 07/27/2026 13:09
Flood Warning issued July 27 at 3:09PM CDT until July 28 at 1:00PM CDT by NWS Chicago IL
Event: Flood Warning
Desc: ...The National Weather Service in Chicago IL has issued a Flood
Warning for the following rivers in Illinois...Indiana...
Little Calumet River at Munster (Hohman Avenue) affecting Cook
and Lake IN Counties.
For the Little Calumet River...including Munster (Hohman Avenue)...
Minor flooding is forecast.
* WHAT...Minor flooding...
Areas: Cook County IL, Lake County IN
Severity: Severe
Urgency: Expected
Effective: Monday, July 27, 2026 - 13:09
Expires: Tuesday, July 28, 2026 - 07:15
Sender: [email protected]
Illinois, Indiana Severe Severe Thunderstorm Watch | Effective 07/27/2026 12:19
Severe Thunderstorm Watch issued July 27 at 2:19PM CDT until July 27 at 7:00PM CDT by NWS Chicago IL
Event: Severe Thunderstorm Watch
Desc: THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH
520 IN EFFECT UNTIL 7 PM CDT /8 PM EDT/ THIS EVENING FOR THE
FOLLOWING AREAS
IN ILLINOIS THIS WATCH INCLUDES 6 COUNTIES
IN EAST CENTRAL ILLINOIS
IROQUOIS
IN NORTHEAST ILLINOIS
COOK DUPAGE KANKAKEE
LAKE IL WILL
IN...
Areas: Cook County IL, DuPage County IL, Iroquois County IL, Kankakee County IL, Lake County IL, Will County IL, Benton County IN, Jasper County IN, Lake County IN, Newton County IN, Porter County IN
Severity: Severe
Urgency: Future
Effective: Monday, July 27, 2026 - 12:19
Expires: Monday, July 27, 2026 - 17:00
Sender: [email protected]
Illinois Severe Extreme Heat Warning | Effective 07/27/2026 11:41
Extreme Heat Warning issued July 27 at 1:41PM CDT until July 27 at 9:00PM CDT by NWS Lincoln IL
Event: Extreme Heat Warning
Desc: * WHAT...Dangerously hot conditions with heat index values up to 112.
* WHERE...Portions of central, east central, southeast, and west
central Illinois.
* WHEN...Until 9 PM CDT this evening.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events.
* ADDITIONAL DETAILS......
Areas: Knox County IL, Stark County IL, Peoria County IL, Marshall County IL, Woodford County IL, Fulton County IL, Tazewell County IL, McLean County IL, Schuyler County IL, Mason County IL, Logan County IL, De Witt County IL, Piatt County IL, Champaign County IL, Vermilion County IL, Cass County IL, Menard County IL, Scott County IL, Morgan County IL, Sangamon County IL, Christian County IL, Macon County IL, Moultrie County IL, Douglas County IL, Coles County IL, Edgar County IL, Shelby County IL, Cumberland County IL, Clark County IL, Effingham County IL, Jasper County IL, Crawford County IL, Clay County IL, Richland County IL, Lawrence County IL
Severity: Severe
Urgency: Expected
Effective: Monday, July 27, 2026 - 11:41
Expires: Monday, July 27, 2026 - 19:00
Sender: [email protected]
Illinois Severe Severe Thunderstorm Watch | Effective 07/27/2026 11:40
Severe Thunderstorm Watch issued July 27 at 1:40PM CDT until July 27 at 8:00PM CDT by NWS Lincoln IL
Event: Severe Thunderstorm Watch
Desc: THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH
521 IN EFFECT UNTIL 8 PM CDT THIS EVENING FOR THE FOLLOWING AREAS
IN ILLINOIS THIS WATCH INCLUDES 11 COUNTIES
IN EAST CENTRAL ILLINOIS
CHAMPAIGN CLARK COLES
CUMBERLAND DOUGLAS EDGAR
VERMILION
IN SOUTHEAST...
Areas: Champaign County IL, Clark County IL, Coles County IL, Crawford County IL, Cumberland County IL, Douglas County IL, Edgar County IL, Jasper County IL, Lawrence County IL, Richland County IL, Vermilion County IL
Severity: Severe
Urgency: Future
Effective: Monday, July 27, 2026 - 11:40
Expires: Monday, July 27, 2026 - 18:00
Sender: [email protected]
Illinois, Missouri Severe Extreme Heat Warning | Effective 07/27/2026 10:14
Extreme Heat Warning issued July 27 at 12:14PM CDT until July 27 at 9:00PM CDT by NWS St Louis MO
Event: Extreme Heat Warning
Desc: * WHAT...Dangerously hot conditions with heat index values up to 110.
* WHERE...Portions of south central, southwest, and west central
Illinois and central and northeast Missouri.
* WHEN...Until 9 PM CDT this evening.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events.
Areas: Greene County IL, Macoupin County IL, Montgomery County IL, Fayette County IL, Adams County IL, Brown County IL, Pike County IL, Calhoun County IL, Jersey County IL, Knox County MO, Lewis County MO, Shelby County MO, Marion County MO, Monroe County MO, Ralls County MO, Pike County MO, Audrain County MO
Severity: Severe
Urgency: Expected
Effective: Monday, July 27, 2026 - 10:14
Expires: Monday, July 27, 2026 - 19:00
Sender: [email protected]
Illinois, Missouri Severe Extreme Heat Warning | Effective 07/27/2026 10:14
Extreme Heat Warning issued July 27 at 12:14PM CDT until July 27 at 9:00PM CDT by NWS St Louis MO
Event: Extreme Heat Warning
Desc: * WHAT...For the Extreme Heat Warning, dangerously hot conditions
with heat index values up to 111. For the Heat Advisory, heat index
values up to 102 expected.
* WHERE...In Illinois, Madison IL County. In Missouri, Saint Charles
MO, Saint Louis City MO, and Saint Louis MO Counties.
* WHEN...For the Extreme Heat Warning, until 9...
Areas: Madison County IL, St. Charles County MO, St. Louis County MO
Severity: Severe
Urgency: Expected
Effective: Monday, July 27, 2026 - 10:14
Expires: Tuesday, July 28, 2026 - 04:15
Sender: [email protected]
Illinois, Missouri Severe Extreme Heat Warning | Effective 07/27/2026 10:14
Extreme Heat Warning issued July 27 at 12:14PM CDT until July 28 at 7:00PM CDT by NWS St Louis MO
Event: Extreme Heat Warning
Desc: * WHAT...Dangerously hot conditions with heat index values up to 110
expected.
* WHERE...Portions of south central and southwest Illinois and east
central and southeast Missouri.
* WHEN...Until 7 PM CDT Tuesday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events.
Areas: Washington County IL, Randolph County IL, St. Clair County IL, Monroe County IL, Jefferson County MO, Crawford County MO, Washington County MO, St. Francois County MO, Ste. Genevieve County MO, Iron County MO, Madison County MO, Reynolds County MO
Severity: Severe
Urgency: Expected
Effective: Monday, July 27, 2026 - 10:14
Expires: Tuesday, July 28, 2026 - 04:15
Sender: [email protected]
Illinois, Missouri Severe Extreme Heat Warning | Effective 07/27/2026 10:14
Extreme Heat Warning issued July 27 at 12:14PM CDT until July 27 at 9:00PM CDT by NWS St Louis MO
Event: Extreme Heat Warning
Desc: * WHAT...For the Extreme Heat Warning, dangerously hot conditions
with heat index values up to 110. For the Heat Advisory, heat index
values up to 103 expected.
* WHERE...Portions of south central Illinois and central and east
central Missouri.
* WHEN...For the Extreme Heat Warning, until 9 PM CDT this evening.
For the Heat...
Areas: Bond County IL, Clinton County IL, Marion County IL, Boone County MO, Moniteau County MO, Cole County MO, Osage County MO, Callaway County MO, Montgomery County MO, Lincoln County MO, Gasconade County MO, Warren County MO, Franklin County MO
Severity: Severe
Urgency: Expected
Effective: Monday, July 27, 2026 - 10:14
Expires: Tuesday, July 28, 2026 - 04:15
Sender: [email protected]
Illinois Severe Extreme Heat Warning | Effective 07/27/2026 09:18
Extreme Heat Warning issued July 27 at 11:18AM CDT until July 27 at 9:00PM CDT by NWS Lincoln IL
Event: Extreme Heat Warning
Desc: * WHAT...Dangerously hot conditions with heat index values up to 114.
* WHERE...Champaign, Coles, Cumberland, Douglas, Crawford, Jasper,
and Lawrence Counties.
* WHEN...Until 9 PM CDT this evening.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events.
* ADDITIONAL DETAILS......
Areas: Champaign County IL, Douglas County IL, Coles County IL, Cumberland County IL, Jasper County IL, Crawford County IL, Lawrence County IL
Severity: Severe
Urgency: Expected
Effective: Monday, July 27, 2026 - 09:18
Expires: Monday, July 27, 2026 - 19:00
Sender: [email protected]
Illinois Severe Extreme Heat Warning | Effective 07/27/2026 09:28
Extreme Heat Warning issued July 27 at 11:28AM CDT until July 27 at 7:00PM CDT by NWS Paducah KY
Event: Extreme Heat Warning
Desc: * WHAT...For the Extreme Heat Warning, dangerously hot conditions
with heat index values around 115. For the Heat Advisory, heat
index values up to 109 expected.
* WHERE...Hamilton, Jefferson, Saline, and Wayne IL Counties.
* WHEN...For the Extreme Heat Warning, until 7 PM CDT this evening.
For the Heat Advisory, from 7 PM this...
Areas: Jefferson County IL, Wayne County IL, Hamilton County IL, Saline County IL
Severity: Severe
Urgency: Expected
Effective: Monday, July 27, 2026 - 09:28
Expires: Tuesday, July 28, 2026 - 02:00
Sender: [email protected]
Illinois, Indiana, Kentucky Severe Extreme Heat Warning | Effective 07/27/2026 09:28
Extreme Heat Warning issued July 27 at 11:28AM CDT until July 27 at 7:00PM CDT by NWS Paducah KY
Event: Extreme Heat Warning
Desc: * WHAT...For the Extreme Heat Warning, dangerously hot conditions
with heat index values around 115. For the Heat Advisory, heat
index values up to 109 expected.
* WHERE...Portions of southern Illinois, southwest Indiana, and
western Kentucky.
* WHEN...For the Extreme Heat Warning, until 7 PM CDT /8 PM EDT/ this
evening. For the...
Areas: Edwards County IL, Wabash County IL, White County IL, Gallatin County IL, Gibson County IN, Pike County IN, Posey County IN, Vanderburgh County IN, Warrick County IN, Spencer County IN, Caldwell County KY, Union County KY, Webster County KY, Hopkins County KY, Christian County KY, Henderson County KY, Daviess County KY, McLean County KY, Muhlenberg County KY, Todd County KY
Severity: Severe
Urgency: Expected
Effective: Monday, July 27, 2026 - 09:28
Expires: Tuesday, July 28, 2026 - 02:00
Sender: [email protected]
Illinois, Kentucky, Missouri Severe Extreme Heat Warning | Effective 07/27/2026 09:28
Extreme Heat Warning issued July 27 at 11:28AM CDT until July 28 at 7:00PM CDT by NWS Paducah KY
Event: Extreme Heat Warning
Desc: * WHAT...Dangerously hot conditions with heat index values around
115.
* WHERE...Portions of southern Illinois, western Kentucky, and
southeast Missouri.
* WHEN...Until 7 PM CDT Tuesday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events.
Areas: Perry County IL, Franklin County IL, Jackson County IL, Williamson County IL, Union County IL, Johnson County IL, Pope County IL, Hardin County IL, Alexander County IL, Pulaski County IL, Massac County IL, Fulton County KY, Hickman County KY, Carlisle County KY, Ballard County KY, McCracken County KY, Graves County KY, Livingston County KY, Marshall County KY, Calloway County KY, Crittenden County KY, Lyon County KY, Trigg County KY, Perry County MO, Bollinger County MO, Cape Girardeau County MO, Wayne County MO, Carter County MO, Ripley County MO, Butler County MO, Stoddard County MO, Scott County MO, Mississippi County MO, New Madrid County MO
Severity: Severe
Urgency: Expected
Effective: Monday, July 27, 2026 - 09:28
Expires: Tuesday, July 28, 2026 - 02:00
Sender: [email protected]
Illinois Severe Extreme Heat Warning | Effective 07/27/2026 09:18
Extreme Heat Warning issued July 27 at 11:18AM CDT until July 27 at 9:00PM CDT by NWS Lincoln IL
Event: Extreme Heat Warning
Desc: * WHAT...Dangerously hot conditions with heat index values up to 116.
* WHERE...Portions of central and west central Illinois.
* WHEN...Until 9 PM CDT this evening.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events.
* ADDITIONAL DETAILS...Thunderstorms could move into area...
Areas: Knox County IL, Stark County IL, Peoria County IL, Fulton County IL, Tazewell County IL, Schuyler County IL, Mason County IL, Logan County IL, Cass County IL, Menard County IL, Scott County IL, Morgan County IL, Sangamon County IL, Christian County IL
Severity: Severe
Urgency: Expected
Effective: Monday, July 27, 2026 - 09:18
Expires: Monday, July 27, 2026 - 19:00
Sender: [email protected]
Illinois Severe Extreme Heat Warning | Effective 07/27/2026 09:18
Extreme Heat Warning issued July 27 at 11:18AM CDT until July 27 at 9:00PM CDT by NWS Lincoln IL
Event: Extreme Heat Warning
Desc: * WHAT...Dangerously hot conditions with heat index values up to 112.
* WHERE...Clark, Edgar, and Vermilion Counties.
* WHEN...Until 9 PM CDT this evening.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events.
* ADDITIONAL DETAILS...Thunderstorms could move into area late this...
Areas: Vermilion County IL, Edgar County IL, Clark County IL
Severity: Severe
Urgency: Expected
Effective: Monday, July 27, 2026 - 09:18
Expires: Monday, July 27, 2026 - 19:00
Sender: [email protected]
Illinois Severe Extreme Heat Warning | Effective 07/27/2026 09:18
Extreme Heat Warning issued July 27 at 11:18AM CDT until July 27 at 9:00PM CDT by NWS Lincoln IL
Event: Extreme Heat Warning
Desc: * WHAT...Dangerously hot conditions with heat index values up to 115.
* WHERE...Portions of central, east central, and southeast Illinois.
* WHEN...Until 9 PM CDT this evening.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events.
* ADDITIONAL DETAILS...Thunderstorms could move...
Areas: Marshall County IL, Woodford County IL, McLean County IL, De Witt County IL, Piatt County IL, Macon County IL, Moultrie County IL, Shelby County IL, Effingham County IL, Clay County IL, Richland County IL
Severity: Severe
Urgency: Expected
Effective: Monday, July 27, 2026 - 09:18
Expires: Monday, July 27, 2026 - 19:00
Sender: [email protected]
Iowa, Illinois, Missouri Severe Extreme Heat Warning | Effective 07/27/2026 08:58
Extreme Heat Warning issued July 27 at 10:58AM CDT until July 27 at 10:00PM CDT by NWS Quad Cities IA IL
Event: Extreme Heat Warning
Desc: * WHAT...Dangerously hot conditions with heat index values up to 117.
* WHERE...Portions of north central, northwest, and west central
Illinois, east central, northeast, and southeast Iowa, and
northeast Missouri.
* WHEN...Until 10 PM CDT this evening.
* IMPACTS...Heat related illnesses increase significantly during
extreme...
Areas: Buchanan County IA, Delaware County IA, Dubuque County IA, Benton County IA, Linn County IA, Jones County IA, Jackson County IA, Iowa County IA, Johnson County IA, Cedar County IA, Clinton County IA, Muscatine County IA, Scott County IA, Keokuk County IA, Washington County IA, Louisa County IA, Jefferson County IA, Henry County IA, Des Moines County IA, Van Buren County IA, Lee County IA, Jo Daviess County IL, Stephenson County IL, Carroll County IL, Whiteside County IL, Rock Island County IL, Henry County IL, Bureau County IL, Putnam County IL, Mercer County IL, Henderson County IL, Warren County IL, Hancock County IL, McDonough County IL, Scotland County MO, Clark County MO
Severity: Severe
Urgency: Expected
Effective: Monday, July 27, 2026 - 08:58
Expires: Monday, July 27, 2026 - 17:00
Sender: [email protected]
Illinois Severe Extreme Heat Warning | Effective 07/27/2026 07:33
Extreme Heat Warning issued July 27 at 9:33AM CDT until July 27 at 9:00PM CDT by NWS Chicago IL
Event: Extreme Heat Warning
Desc: * WHAT...Dangerously hot conditions with peak heat index values 110
to locally over 115 degrees expected.
* WHERE...Livingston, Ford, De Kalb, La Salle, Lee, Ogle, Winnebago,
and Grundy Counties.
* WHEN...Until 9 PM CDT this evening.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity...
Areas: Winnebago County IL, Ogle County IL, Lee County IL, DeKalb County IL, LaSalle County IL, Grundy County IL, Livingston County IL, Ford County IL
Severity: Severe
Urgency: Expected
Effective: Monday, July 27, 2026 - 07:33
Expires: Monday, July 27, 2026 - 17:45
Sender: [email protected]
Illinois Severe Extreme Heat Warning | Effective 07/27/2026 07:33
Extreme Heat Warning issued July 27 at 9:33AM CDT until July 27 at 9:00PM CDT by NWS Chicago IL
Event: Extreme Heat Warning
Desc: * WHAT...Dangerously hot conditions with peak heat index values 110
to locally over 115 degrees expected.
* WHERE...Iroquois, Boone, Eastern Will, Kane, Kankakee, Kendall,
McHenry, Northern Will, and Southern Will Counties.
* WHEN...Until 9 PM CDT this evening.
* IMPACTS...Heat related illnesses increase significantly during...
Areas: Boone County IL, McHenry County IL, Kane County IL, Kendall County IL, Kankakee County IL, Iroquois County IL, Will County IL
Severity: Severe
Urgency: Expected
Effective: Monday, July 27, 2026 - 07:33
Expires: Monday, July 27, 2026 - 17:45
Sender: [email protected]
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