Station Name: Quincy 3SSW - L&D 21
Data Source: USGS

Elevation Above Sea Level: 459 feet

Nearest Address:
957 W Lock and Dam Rd
Quincy, IL 62305
Adams County

GPS Coordinates: 39.9035, -91.4284

Nearby Water Temperatures

Flood Warning issued April 27 at 1:35PM CDT until May 2 at 7:00PM CDT by NWS St Louis MO

Effective: Mon April 27, 2026, 1:35 PM
Expires: Wed April 29, 2026, 1:45 AM

...The Flood Warning is extended for the following rivers in Illinois...Missouri... Mississippi River at Grafton. Mississippi River at Canton. Mississippi River at Saverton. ...The Flood Warning continues for the following rivers in Illinois...Missouri... Mississippi River at Winfield. Mississippi River at Clarksville. Mississippi River at Hannibal. Mississippi River at Louisiana. 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 Canton. * WHEN...Until Saturday evening. * IMPACTS...At 15.6 feet, North Front Street and the first 2-3 campsites in Mississippi Park begin flooding at this height. * ADDITIONAL DETAILS... - At 6:00 AM CDT Monday the stage was 15.6 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 6:00 AM CDT Monday was 15.6 feet. - Forecast...The river is expected to rise to a crest of 15.8 feet early Wednesday afternoon. It will then fall below flood stage early Friday afternoon. - Flood stage is 15.0 feet.

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 2 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 Canton. * WHEN...Until Saturday afternoon. * IMPACTS...At 16.6 feet, Front Street leading to the campground and Corps park campgrounds flood at this height. * ADDITIONAL DETAILS... - At 8:00 PM CDT Monday the stage was 15.9 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:00 PM CDT Monday was 15.9 feet. - Forecast...The river is expected to rise to a crest of 16.1 feet tomorrow morning. It will then fall below flood stage late Friday morning. - 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 April 30 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 Lock & Dam 21. * WHEN...Until Thursday evening. * ADDITIONAL DETAILS... - At 10:00 PM CDT Monday the stage was 18.2 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 10:00 PM CDT Monday was 18.2 feet. - Forecast...The river is expected to rise to a crest of 18.5 feet tomorrow morning. It will then fall below flood stage early Wednesday afternoon. - Flood stage is 18.0 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 April 30 at 7:00AM 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 forecast. * WHERE...Mississippi River at Quincy. * WHEN...From Tuesday afternoon to Thursday morning. * IMPACTS...At 18.5 feet, BNSF Railroad main line, 10 to 16 miles above Quincy begins to flood at several locations. * ADDITIONAL DETAILS... - At 9:15 PM CDT Monday the stage was 18.7 feet. - Forecast...The river is expected to rise to a crest of 19.0 feet early tomorrow afternoon. It will then fall below flood stage early Wednesday morning. - Flood stage is 19.0 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 1:35PM CDT until May 4 at 7:00PM CDT by NWS St Louis MO

Effective: Mon April 27, 2026, 1:35 PM
Expires: Wed April 29, 2026, 1:45 AM

...The Flood Warning is extended for the following rivers in Illinois...Missouri... Mississippi River at Grafton. Mississippi River at Canton. Mississippi River at Saverton. ...The Flood Warning continues for the following rivers in Illinois...Missouri... Mississippi River at Winfield. Mississippi River at Clarksville. Mississippi River at Hannibal. Mississippi River at Louisiana. 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 18.0 feet, The northern end of Southside Recreation #2 Park along Bear Creek begins flooding at this height. Gate wells are shut down to prevent the sewers from backing up. Also at this level pumps are set to standby. * ADDITIONAL DETAILS... - At 1:15 PM CDT Monday the stage was 19.2 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 1:15 PM CDT Monday was 19.2 feet. - Forecast...The river is expected to rise to a crest of 19.5 feet early Wednesday afternoon. It will then fall below flood stage early Sunday afternoon. - Flood stage is 17.0 feet.

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