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

Flood Warning issued July 2 at 11:00AM CDT until July 8 at 1:00AM CDT by NWS St Louis MO

Effective: Thu July 2, 2026, 11:00 AM
Expires: Fri July 3, 2026, 11:00 PM

...The Flood Warning continues for the following rivers in Illinois... Illinois River at Hardin. Illinois River at Meredosia. Illinois River at La Grange LD. Illinois River at Valley City. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Illinois River at Valley City. * WHEN...Until late Tuesday night. * ADDITIONAL DETAILS... - At 10:30 AM CDT Thursday the stage was 16.6 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 10:30 AM CDT Thursday was 17.1 feet. - Forecast...The river is expected to fall below flood stage Monday evening and continue falling to 12.1 feet Thursday, July 09. - Flood stage is 14.0 feet.

Motorists should not attempt to drive around barricades or drive cars through flooded areas. This product, along with additional weather and stream information, is available at https://water.noaa.gov/wfo/lsx

Extreme Heat Warning issued July 2 at 3:21AM CDT until July 3 at 10:00PM CDT by NWS St Louis MO

Effective: Thu July 2, 2026, 3:21 AM
Expires: Thu July 2, 2026, 6:30 PM

* WHAT...Dangerously hot conditions with heat index values up to 106. * 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...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. 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.

Heat Advisory issued July 2 at 11:50AM CDT until July 4 at 8:00PM CDT by NWS St Louis MO

Effective: Thu July 2, 2026, 11:50 AM
Expires: Fri July 3, 2026, 3:00 AM

* WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 105. For the Heat Advisory, heat index values up to 102 expected. * WHERE...Portions of south central, southwest, and west central Illinois and central, east central, northeast, and southeast Missouri. * WHEN...For the Extreme Heat Warning, until 10 PM CDT Friday. For the Heat Advisory, from 10 PM Friday to 8 PM CDT Saturday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. 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.

Extreme Heat Warning issued July 2 at 11:50AM CDT until July 3 at 10:00PM CDT by NWS St Louis MO

Effective: Thu July 2, 2026, 11:50 AM
Expires: Fri July 3, 2026, 3:00 AM

* WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 105. For the Heat Advisory, heat index values up to 102 expected. * WHERE...Portions of south central, southwest, and west central Illinois and central, east central, northeast, and southeast Missouri. * WHEN...For the Extreme Heat Warning, until 10 PM CDT Friday. For the Heat Advisory, from 10 PM Friday to 8 PM CDT Saturday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. 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.

Flood Warning issued July 2 at 11:00AM CDT until July 6 at 7:00AM CDT by NWS St Louis MO

Effective: Thu July 2, 2026, 11:00 AM
Expires: Fri July 3, 2026, 11:00 PM

...The Flood Warning continues for the following rivers in Illinois... Illinois River at Hardin. Illinois River at Meredosia. Illinois River at La Grange LD. Illinois River at Valley City. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Illinois River at Hardin. * WHEN...Until Monday morning. * IMPACTS...At 25.0 feet, Flood Stage. Lowland flooding of unprotected agricultural land begins. * ADDITIONAL DETAILS... - At 10:30 AM CDT Thursday the stage was 25.5 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 10:30 AM CDT Thursday was 25.8 feet. - Forecast...The river is expected to rise to a crest of 25.5 feet this afternoon. It will then fall below flood stage early Sunday morning. - Flood stage is 25.0 feet.

Motorists should not attempt to drive around barricades or drive cars through flooded areas. This product, along with additional weather and stream information, is available at https://water.noaa.gov/wfo/lsx