St. Louis

What to know

• An extreme heat warning began at 5:14 PM on July 27, 2026, with temps expected above 100°F and high humidity. Jul 27
• Cooling centers and hotlines from United Way of Greater Saint Louis and Cool Down Saint Louis were opened for residents. Jul 27
• USGS recorded a 3.5‑magnitude quake at 6‑mile depth near Ohlman, Illinois, around 1:30 a.m. Jan 20
• The tremor was felt across central Illinois, including Springfield, Decatur, Quincy, Peoria, and Terre Haute, Indiana. Jan 20