Hazard Report Provided By forecast.weather.gov
URGENT - WEATHER MESSAGE National Weather Service St Louis MO 206 PM CDT Fri Jul 18 2025 ILZ079-100>102-MOZ041-042-047>052-059>065-072>075-084-085-099-191015- /O.NEW.KLSX.XH.W.0002.250719T1700Z-250724T0000Z/ Randolph IL-Madison IL-Saint Clair IL-Monroe IL-Boone MO-Audrain MO-Moniteau MO-Cole MO-Osage MO-Callaway MO-Montgomery MO-Lincoln 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 Saint Charles, Edwardsville, Union, Saint Louis, Fulton, Alton, Mexico, Jefferson City, Farmington, Washington, Belleville, Chester, Cahokia, Sullivan, Sparta, and Columbia 206 PM CDT Fri Jul 18 2025 ...EXTREME HEAT WARNING IN EFFECT FROM NOON SATURDAY TO 7 PM CDT WEDNESDAY... * WHAT...Dangerously hot conditions with heat index values up to 110 expected. * WHERE...Portions of southwest Illinois and central, east central, and southeast Missouri. * WHEN...From noon Saturday to 7 PM CDT Wednesday. * 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. && $$
Hazardous Weather Outlook National Weather Service St Louis MO 307 PM CDT Fri Jul 18 2025 ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027- 034>036-041-042-047>052-059>065-072>075-084-085-099-192015- Greene IL-Macoupin IL-Montgomery IL-Bond IL-Fayette IL-Clinton IL- Marion IL-Washington IL-Randolph IL-Adams IL-Brown IL-Pike IL- Calhoun IL-Jersey IL-Madison IL-Saint Clair IL-Monroe IL-Knox MO- Lewis MO-Shelby MO-Marion MO-Monroe MO-Ralls MO-Pike MO-Boone MO- Audrain MO-Moniteau MO-Cole MO-Osage MO-Callaway MO-Montgomery MO- Lincoln MO-Gasconade MO-Warren MO-Saint Charles MO-Franklin MO- Saint Louis MO-Saint Louis City MO-Jefferson MO-Crawford MO- Washington MO-Saint Francois MO-Sainte Genevieve MO-Iron MO- Madison MO-Reynolds MO- 307 PM CDT Fri Jul 18 2025 This Hazardous Weather Outlook is for portions of eastern and central Missouri as well as west central and southwest Illinois. .DAY ONE...Tonight. There is a chance of thunderstorms tonight across portions of the area. .DAYS TWO THROUGH SEVEN...Saturday through Thursday. There is a chance of thunderstorms Saturday through Tuesday. There is a low threat of damaging winds and flash flooding across northeastern Missouri and west-central Illinois Saturday morning. A long-duration heat wave is expected to begin along and south of Interstate 70 into southwestern Illinois on Saturday, expanding to the rest of the area around Monday. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. $$ Pfahler
Hazard Report Provided By forecast.weather.gov