Heat Advisory issued September 15 at 11:16AM CDT until September 18 at 7:00PM CDT by NWS Paducah KY

Area: 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; Ballard; McCracken; Livingston; Marshall; Calloway; Crittenden; Lyon; Trigg; Caldwell; Union; Webster; Hopkins; Christian; Henderson; Daviess; McLean; Muhlenberg; Todd; Perry; Bollinger; Cape Girardeau; Wayne
Effective: 2026-09-15 11:16:00 GMT-0500, Expires: 2026-09-16 04:15:00 GMT-0500
Severity: Moderate, Urgency: Expected
NWS Alert Link: /nws/alert/urn:oid:2.49.0.1.840.0.7c437079c00b02455fc671b29ff70b871bd6cb3e.001.1
SAME Codes: 017081 017191 017047 017185 017145 017055 017065 017193 017077 017199 017165 017059 017181 017087 017151 017069 017003 017153 017127 018051 018125 018129 018163 018173 018147 021007 021145 021139 021157 021035 021055 021143 021221 021033 021225 021233 021107 021047 021101 021059 021149 021177 021219 029157 029017 029031 029223
Description: * WHAT...Peak Daily Heat Index Values up to around 105 degrees. * WHERE...All of southern Illinois, southwest Indiana, western Kentucky, and southeast Missouri. * WHEN...Until 7 PM CDT /8 PM EDT/ Friday. * IMPACTS...Record to near record hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...The Heat Advisory has been extended thru Friday for the entire Quad State Region.