Heat Advisory
Status
Event Continued Active alertStart Time
Fri 07/25/2025 03:18 PM EDTEnd Time
Tue 07/29/2025 08:00 PM EDTSignificance
AdvisoryImpacts
Low impact
Locations Affected
Columbia, MO ∙ Hillsboro, IL ∙ Fortuna, MO ∙ Eugene, MO ∙ Steedman, MO ∙ Cook Station, MO ∙ Warrenton, MO ∙ Potosi, MO ∙ Desloge, MO ∙ Hamburg, ILFull Alert Message
URGENT - WEATHER MESSAGE National Weather Service St Louis MO 218 PM CDT Fri Jul 25 2025 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT TUESDAY... * WHAT...Heat index values up to 109. * WHERE...Portions of south central and southwest Illinois and central, east central, and southeast Missouri. * WHEN...Until 7 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.
Technical Header
ILZ058>060-065-098-099-MOZ041-047>052-059-060-072>074-084-085-099- 261030- /O.CON.KLSX.HT.Y.0002.000000T0000Z-250730T0000Z/ Greene IL-Macoupin IL-Montgomery IL-Fayette IL-Calhoun IL-Jersey IL-Boone MO-Moniteau MO-Cole MO-Osage MO-Callaway MO-Montgomery MO-Lincoln MO-Gasconade MO-Warren MO-Crawford MO-Washington MO- Saint Francois MO-Iron MO-Madison MO-Reynolds MO- Including the cities of Columbia, Vandalia, Jefferson City, Litchfield, Farmington, and Fulton 218 PM CDT Fri Jul 25 2025