Station Name: ILLINOIS RIVER AT FLORENCE, IL
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 427 feet

Nearest Address:
State Rte 100
Florence, IL 62363
Pike County

GPS Coordinates: 39.63277778, -90.6077778

Nearby Water Temperatures

Extreme Heat Watch issued July 24 at 1:12AM CDT until July 28 at 7:00PM CDT by NWS St Louis MO

Effective: Fri July 24, 2026, 1:12 AM
Expires: Fri July 24, 2026, 4:15 PM

* WHAT...Dangerously hot conditions with heat index values up to 110 possible. * WHERE...Portions of south central, southwest, and west central Illinois and central, east central, northeast, and southeast Missouri. * WHEN...From Sunday morning through Tuesday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

Heat Advisory issued July 24 at 12:15PM CDT until July 27 at 9:00PM CDT by NWS St Louis MO

Effective: Fri July 24, 2026, 12:15 PM
Expires: Sat July 25, 2026, 6:15 AM

* WHAT...Heat index values up to 111 expected. * WHERE...Portions of south central, southwest, and west central Illinois and central, east central, northeast, and southeast Missouri. * WHEN...From 11 AM Sunday to 9 PM CDT Monday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

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.