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 April 27 at 10:41PM CDT by NWS St Louis MO

Effective: Mon April 27, 2026, 10:41 PM
Expires: Wed April 29, 2026, 10:45 AM

...The Flood Warning is extended for the following rivers in Illinois...Missouri... Illinois River at Valley City. Mississippi River at Grafton. Mississippi River at Saverton. Mississippi River at Chester. Meramec River near Arnold. ...The Flood Warning continues for the following rivers in Illinois...Missouri... Mississippi River at Canton. Mississippi River at Clarksville. Mississippi River at Louisiana. Kaskaskia River at Vandalia. Missouri River near Chamois. Missouri River at Hermann. Mississippi River at Lock & Dam 21. Illinois River at Hardin. Mississippi River at Winfield. Mississippi River at Hannibal. Mississippi River at Quincy. 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...From this evening until further notice. * IMPACTS...At 14.0 feet, The road to Norbut Fish and Wildlife area is flooded. * ADDITIONAL DETAILS... - At 10:30 PM CDT Monday the stage was 14.3 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 10:30 PM CDT Monday was 14.3 feet. - Forecast...The river will fall to 14.2 feet just after midnight tonight. It will then rise to 14.3 feet early tomorrow afternoon. It will fall to 14.1 feet Wednesday evening. It will then rise to 14.9 feet Saturday evening. It will fall again but remain above flood stage. - Flood stage is 14.0 feet.

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Motorists should not attempt to drive around barricades or drive cars through flooded areas. Rainfall heavier than forecast could cause river levels to rise even higher than predicted. The National Weather Service will monitor this developing situation and issue follow up statements as conditions change. This product, along with additional weather and stream information, is available at https://water.noaa.gov/wfo/lsx

Flood Warning issued April 28 at 12:11PM CDT by NWS St Louis MO

Effective: Tue April 28, 2026, 12:11 PM
Expires: Thu April 30, 2026, 12:15 AM

...The Flood Warning continues for the following rivers in Illinois... Illinois River at Valley City. Illinois River at Hardin. 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 further notice. * IMPACTS...At 14.0 feet, The road to Norbut Fish and Wildlife area is flooded. * ADDITIONAL DETAILS... - At 12:00 PM CDT Tuesday the stage was 14.5 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 12:00 PM CDT Tuesday was 14.5 feet. - Forecast...The river is expected to rise to a crest of 15.9 feet Friday morning. - Flood stage is 14.0 feet.

Motorists should not attempt to drive around barricades or drive cars through flooded areas. Be especially cautious at night when it is harder to recognize the dangers of flooding. This product, along with additional weather and stream information, is available at https://water.noaa.gov/wfo/lsx

Flood Warning issued April 27 at 10:41PM CDT until May 5 at 4:00PM CDT by NWS St Louis MO

Effective: Mon April 27, 2026, 10:41 PM
Expires: Wed April 29, 2026, 10:45 AM

...The Flood Warning is extended for the following rivers in Illinois...Missouri... Illinois River at Valley City. Mississippi River at Grafton. Mississippi River at Saverton. Mississippi River at Chester. Meramec River near Arnold. ...The Flood Warning continues for the following rivers in Illinois...Missouri... Mississippi River at Canton. Mississippi River at Clarksville. Mississippi River at Louisiana. Kaskaskia River at Vandalia. Missouri River near Chamois. Missouri River at Hermann. Mississippi River at Lock & Dam 21. Illinois River at Hardin. Mississippi River at Winfield. Mississippi River at Hannibal. Mississippi River at Quincy. 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...Mississippi River at Louisiana. * WHEN...Until Tuesday, May 05. * IMPACTS...At 19.6 feet, Maryland Street at 4th Street by the Town Branch bridge begins flooding near this height. * ADDITIONAL DETAILS... - At 10:30 PM CDT Monday the stage was 18.4 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 10:30 PM CDT Monday was 18.4 feet. - Forecast...The river is expected to rise to a crest of 19.2 feet early Wednesday morning. It will then fall below flood stage Monday, May 04. - Flood stage is 15.0 feet.

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Motorists should not attempt to drive around barricades or drive cars through flooded areas. Rainfall heavier than forecast could cause river levels to rise even higher than predicted. The National Weather Service will monitor this developing situation and issue follow up statements as conditions change. This product, along with additional weather and stream information, is available at https://water.noaa.gov/wfo/lsx

Flood Warning issued April 27 at 10:41PM CDT until May 4 at 7:00PM CDT by NWS St Louis MO

Effective: Mon April 27, 2026, 10:41 PM
Expires: Wed April 29, 2026, 10:45 AM

...The Flood Warning is extended for the following rivers in Illinois...Missouri... Illinois River at Valley City. Mississippi River at Grafton. Mississippi River at Saverton. Mississippi River at Chester. Meramec River near Arnold. ...The Flood Warning continues for the following rivers in Illinois...Missouri... Mississippi River at Canton. Mississippi River at Clarksville. Mississippi River at Louisiana. Kaskaskia River at Vandalia. Missouri River near Chamois. Missouri River at Hermann. Mississippi River at Lock & Dam 21. Illinois River at Hardin. Mississippi River at Winfield. Mississippi River at Hannibal. Mississippi River at Quincy. 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...Mississippi River at Hannibal. * WHEN...Until Monday evening. * IMPACTS...At 20.2 feet, Nipper Park begins flooding on the Hannibal riverfront. * ADDITIONAL DETAILS... - At 10:15 PM CDT Monday the stage was 19.6 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 10:15 PM CDT Monday was 19.6 feet. - Forecast...The river is expected to rise to a crest of 20.1 feet tomorrow evening. It will then fall below flood stage early Sunday afternoon. - Flood stage is 17.0 feet.

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Motorists should not attempt to drive around barricades or drive cars through flooded areas. Rainfall heavier than forecast could cause river levels to rise even higher than predicted. The National Weather Service will monitor this developing situation and issue follow up statements as conditions change. This product, along with additional weather and stream information, is available at https://water.noaa.gov/wfo/lsx

Flood Warning issued April 27 at 10:41PM CDT until May 4 at 5:00AM CDT by NWS St Louis MO

Effective: Mon April 27, 2026, 10:41 PM
Expires: Wed April 29, 2026, 10:45 AM

...The Flood Warning is extended for the following rivers in Illinois...Missouri... Illinois River at Valley City. Mississippi River at Grafton. Mississippi River at Saverton. Mississippi River at Chester. Meramec River near Arnold. ...The Flood Warning continues for the following rivers in Illinois...Missouri... Mississippi River at Canton. Mississippi River at Clarksville. Mississippi River at Louisiana. Kaskaskia River at Vandalia. Missouri River near Chamois. Missouri River at Hermann. Mississippi River at Lock & Dam 21. Illinois River at Hardin. Mississippi River at Winfield. Mississippi River at Hannibal. Mississippi River at Quincy. 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...Mississippi River at Saverton. * WHEN...Until late Sunday night. * ADDITIONAL DETAILS... - At 10:00 PM CDT Monday the stage was 18.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 10:00 PM CDT Monday was 18.0 feet. - Forecast...The river is expected to rise to a crest of 18.8 feet early Wednesday morning. It will then fall below flood stage late Saturday evening. - Flood stage is 16.0 feet.

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Motorists should not attempt to drive around barricades or drive cars through flooded areas. Rainfall heavier than forecast could cause river levels to rise even higher than predicted. The National Weather Service will monitor this developing situation and issue follow up statements as conditions change. This product, along with additional weather and stream information, is available at https://water.noaa.gov/wfo/lsx