Non-Precipitation Warnings / Watches / Advisories
Issued by NWS St. Louis, MO
Issued by NWS St. Louis, MO
151 WWUS73 KLSX 181848 NPWLSX URGENT - WEATHER MESSAGE National Weather Service St Louis MO 148 PM CDT Mon Aug 18 2025 ILZ064-065-069-070-074-079-100>102-MOZ047>049-059>065-072>075-084- 085-099-191000- /O.EXT.KLSX.HT.Y.0003.000000T0000Z-250820T0100Z/ Bond IL-Fayette IL-Clinton IL-Marion IL-Washington IL-Randolph IL- Madison IL-Saint Clair IL-Monroe IL-Moniteau MO-Cole MO-Osage MO- Gasconade MO-Warren MO-Saint Charles MO-Franklin MO-Saint Louis MO-Saint Louis City MO-Jefferson MO-Crawford MO-Washington MO- Saint Francois MO-Sainte Genevieve MO-Iron MO-Madison MO-Reynolds MO- Including the cities of Chester, Alton, Salem, Belleville, Saint Charles, Union, Saint Louis, Farmington, Sparta, Washington, Cahokia, Vandalia, Centralia, Jefferson City, Edwardsville, and Sullivan 148 PM CDT Mon Aug 18 2025 ...HEAT ADVISORY NOW IN EFFECT UNTIL 8 PM CDT TUESDAY... * WHAT...Heat index values up to 104. * WHERE...Portions of south central and southwest Illinois and central, east central, and southeast Missouri. * WHEN...Until 8 PM CDT Tuesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. People in the Saint Louis Metropolitan Area can get information about cooling centers or energy assistance related to the excessive heat by calling the United Way of Greater Saint Louis at 800-427-4626, or if calling from a land line phone dial 2-1-1. You can also call Cool Down Saint Louis at 314-241-7668. && $$ ILZ058>060-095>099-MOZ018-019-026-027-034>036-041-042-050>052-190100- /O.CON.KLSX.HT.Y.0003.000000T0000Z-250819T0100Z/ Greene IL-Macoupin IL-Montgomery IL-Adams IL-Brown IL-Pike IL- Calhoun IL-Jersey IL-Knox MO-Lewis MO-Shelby MO-Marion MO-Monroe MO-Ralls MO-Pike MO-Boone MO-Audrain MO-Callaway MO-Montgomery MO- Lincoln MO- Including the cities of Hannibal, Columbia, Litchfield, Pittsfield, Mexico, Fulton, Mount Sterling, Bowling Green, and Quincy 148 PM CDT Mon Aug 18 2025 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... * WHAT...Heat index values up to 107. * WHERE...Portions of south central, southwest, and west central Illinois and central, east central, and northeast Missouri. * WHEN...Until 8 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. People in the Saint Louis Metropolitan Area can get information about cooling centers or energy assistance related to the excessive heat by calling the United Way of Greater Saint Louis at 800-427-4626, or if calling from a land line phone dial 2-1-1. You can also call Cool Down Saint Louis at 314-241-7668. && $$ Elmore