Weather Alerts For Pleasant Hill, IL

# HEADLINE -------------------- HEAT ADVISORY NOW IN EFFECT UNTIL 10 PM CDT FRIDAY # DETAILS -------------------- WHAT Heat index values up to 107. WHERE Portions of south central, southwest, and west central Illinois and central, east central, northeast, and southeast Missouri. WHEN Until 10 PM CDT Friday. IMPACTS Hot temperatures and high humidity may cause heat illnesses. ISSUED AT Monday, June 29, 2026 at 1:23 AM CDT ISSUED BY National Weather Service St Louis MO HEADER URGENT - WEATHER MESSAGE # 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. # AREAS AFFECTED -------------------- Adams IL, Shelby MO, Audrain MO, Bond IL, Boone MO, Brown IL, Calhoun IL, Callaway MO, Cole MO, Crawford MO, Fayette IL, Gasconade MO, Greene IL, Iron MO, Jersey IL, Knox MO, Lewis MO, Lincoln MO, Macoupin IL, Madison MO, Marion IL, Marion MO, Moniteau MO, Monroe MO, Montgomery IL, Montgomery MO, Osage MO, Pike IL, Pike MO, Ralls MO, Reynolds MO, Saint Francois MO, Washington MO Including the cities of Centralia, Salem, Mexico, Jefferson City, Pittsfield, Hannibal, Bowling Green, Columbia, Quincy, Fulton, Farmington, Litchfield, Vandalia, and Mount Sterling