Public Safety Alerts

See official public safety alerts, emergency alerts, presidential alerts and weather warnings for every U.S. location.
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Public Safety Alerts

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, 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]

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, Missouri Severe Extreme Heat Warning | Effective 07/26/2026 23:43

Extreme Heat Warning issued July 27 at 1:43AM 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 113. * WHERE...Portions of south central, southwest, and west central Illinois and central, east central, northeast, and southeast Missouri. * WHEN...Until 9 PM CDT this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and...

Areas: Greene County IL, Macoupin County IL, Montgomery County IL, Bond County IL, Fayette County IL, Clinton County IL, Marion County IL, Washington County IL, Randolph 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, Boone County MO, Audrain 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, 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: Sunday, July 26, 2026 - 23:43

Expires: Monday, July 27, 2026 - 14:45

Sender: [email protected]

Illinois, Missouri Severe Extreme Heat Warning | Effective 07/26/2026 23:43

Extreme Heat Warning issued July 27 at 1:43AM 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 115. * WHERE...In Illinois, Madison IL, Monroe IL, and Saint Clair IL Counties. In Missouri, Jefferson MO, Saint Charles MO, Saint Louis City MO, and Saint Louis MO Counties. * WHEN...Until 9 PM CDT this evening. * IMPACTS...Heat related illnesses increase...

Areas: Madison County IL, St. Clair County IL, Monroe County IL, St. Charles County MO, St. Louis County MO, Jefferson County MO

Severity: Severe

Urgency: Expected

Effective: Sunday, July 26, 2026 - 23:43

Expires: Monday, July 27, 2026 - 14:45

Sender: [email protected]

Illinois, Kentucky, Missouri Severe Extreme Heat Warning | Effective 07/26/2026 22:32

Extreme Heat Warning issued July 27 at 12:32AM 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 up to around 115 degrees expected, with locally higher values possible. * WHERE...All of southeast Missouri, and neighboring portions of southern Illinois and far western Kentucky. * WHEN...Until 7 PM CDT Tuesday. * IMPACTS...Heat related illnesses increase...

Areas: Jefferson County IL, Wayne County IL, Perry County IL, Franklin County IL, Hamilton County IL, Jackson County IL, Williamson County IL, Saline 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: Sunday, July 26, 2026 - 22:32

Expires: Monday, July 27, 2026 - 17:00

Sender: [email protected]

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Public Safety Alerts