Non-Precipitation Warnings / Watches / Advisories
Issued by NWS St. Louis, MO
Issued by NWS St. Louis, MO
031 WWUS73 KLSX 130834 NPWLSX URGENT - WEATHER MESSAGE National Weather Service St Louis MO 334 AM CDT Thu Aug 13 2026 ILZ069-074-079-100>102-MOZ041-047>051-059>065-072>075-084-085-099- 132345- /O.CON.KLSX.XH.W.0003.000000T0000Z-260816T0200Z/ Clinton IL-Washington IL-Randolph IL-Madison IL-Saint Clair IL- Monroe IL-Boone MO-Moniteau MO-Cole MO-Osage MO-Callaway MO- Montgomery 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, Sparta, Saint Charles, Saint Louis, Columbia, Fulton, Union, Edwardsville, Washington, Alton, Sullivan, Belleville, Farmington, Jefferson City, and Cahokia 334 AM CDT Thu Aug 13 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM CDT SATURDAY... * WHAT...Dangerously hot conditions with heat index values up to 113. * WHERE...Portions of south central and southwest Illinois and central, east central, and southeast Missouri. * WHEN...Until 9 PM CDT Saturday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. 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. && $$ ILZ058>060-064-065-070-098-099-MOZ034>036-042-052-132345- /O.CON.KLSX.HT.Y.0007.000000T0000Z-260816T0200Z/ Greene IL-Macoupin IL-Montgomery IL-Bond IL-Fayette IL-Marion IL- Calhoun IL-Jersey IL-Monroe MO-Ralls MO-Pike MO-Audrain MO- Lincoln MO- Including the cities of Salem, Centralia, Mexico, Vandalia, Litchfield, and Bowling Green 334 AM CDT Thu Aug 13 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CDT SATURDAY... * WHAT...Heat index values up to 111. * WHERE...Portions of south central and southwest Illinois and central, east central, and northeast Missouri. * WHEN...Until 9 PM CDT Saturday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ MRB