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 28 at 11:56AM CDT until April 30 at 4:00PM CDT by NWS St Louis MO

Effective: Tue April 28, 2026, 11:56 AM
Expires: Thu April 30, 2026, 12:00 AM

...The Flood Warning continues for the following rivers in Missouri...Illinois... Mississippi River at Quincy. Mississippi River at Lock & Dam 21. Mississippi River at Grafton. Mississippi River at Canton. Mississippi River at Saverton. Mississippi River at Winfield. Mississippi River at Hannibal. Mississippi River at Clarksville. Mississippi River at Louisiana. Mississippi River at Chester. 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 afternoon. * ADDITIONAL DETAILS... - At 10:00 AM CDT Tuesday the stage was 18.5 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 10:00 AM CDT Tuesday was 18.6 feet. - Forecast...The river is expected to rise to a crest of 18.5 feet this afternoon. It will then fall below flood stage late tomorrow morning. - Flood stage is 18.0 feet.

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. 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 28 at 10:02PM CDT until May 2 at 1:00AM CDT by NWS St Louis MO

Effective: Tue April 28, 2026, 10:02 PM
Expires: Thu April 30, 2026, 10:15 AM

...The Flood Warning is extended for the following rivers in Illinois...Missouri... Mississippi River at Mel Price LD. Mississippi River at Grafton. Mississippi River at Canton. Mississippi River at Winfield. ...The Flood Warning continues for the following rivers in Illinois...Missouri... Mississippi River at Chester. Mississippi River at Hannibal. Mississippi River at Clarksville. Mississippi River at Louisiana. Mississippi River near Herculaneum. Mississippi River at St. Louis. Mississippi River at Alton. Mississippi River at Saverton. ...The Flood Warning is cancelled for the following rivers in Illinois...Missouri... 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 late Friday night. * 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 8:00 PM CDT Tuesday the stage was 15.7 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:00 PM CDT Tuesday was 15.9 feet. - Forecast...The river is expected to fall below flood stage Thursday evening and continue falling to 11.1 feet Tuesday, May 05. - Flood stage is 15.0 feet.

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. 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 29 at 11:48AM CDT until May 1 at 1:00PM CDT by NWS St Louis MO

Effective: Wed April 29, 2026, 11:48 AM
Expires: Fri May 1, 2026, 12:00 AM

...The Flood Warning continues for the following rivers in Illinois...Missouri... Mississippi River at Canton. 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 Friday afternoon. * ADDITIONAL DETAILS... - At 10:00 AM CDT Wednesday the stage was 15.4 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 10:00 AM CDT Wednesday was 15.8 feet. - Forecast...The river is expected to fall below flood stage tomorrow morning and continue falling to 11.3 feet Wednesday, May 06. - Flood stage is 15.0 feet.

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. 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 28 at 10:02PM CDT until May 3 at 5:00PM CDT by NWS St Louis MO

Effective: Tue April 28, 2026, 10:02 PM
Expires: Thu April 30, 2026, 10:15 AM

...The Flood Warning is extended for the following rivers in Illinois...Missouri... Mississippi River at Mel Price LD. Mississippi River at Grafton. Mississippi River at Canton. Mississippi River at Winfield. ...The Flood Warning continues for the following rivers in Illinois...Missouri... Mississippi River at Chester. Mississippi River at Hannibal. Mississippi River at Clarksville. Mississippi River at Louisiana. Mississippi River near Herculaneum. Mississippi River at St. Louis. Mississippi River at Alton. Mississippi River at Saverton. ...The Flood Warning is cancelled for the following rivers in Illinois...Missouri... 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 Sunday afternoon. * IMPACTS...At 19.0 feet, The Corps of Engineers begins flood fight procedures. At this level, preparations are made to install two flood gates at Hill Street and Center Street if the forecast exceeds 20.5 feet. * ADDITIONAL DETAILS... - At 9:15 PM CDT Tuesday the stage was 19.9 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:15 PM CDT Tuesday was 20.0 feet. - Forecast...The river is expected to fall below flood stage late Saturday morning and continue falling to 15.1 feet Tuesday, May 05. - Flood stage is 17.0 feet.

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. 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 29 at 11:51AM CDT until May 4 at 4:00AM CDT by NWS St Louis MO

Effective: Wed April 29, 2026, 11:51 AM
Expires: Fri May 1, 2026, 12:00 AM

...The Flood Warning is extended for the following rivers in Illinois...Missouri... Mississippi River at Saverton. Mississippi River at Hannibal. Mississippi River at Clarksville. 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 late Sunday night. * ADDITIONAL DETAILS... - At 11:15 AM CDT Wednesday the stage was 19.6 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 11:15 AM CDT Wednesday was 20.0 feet. - Forecast...The river is expected to fall below flood stage late Saturday evening and continue falling to 15.2 feet Wednesday, May 06. - Flood stage is 17.0 feet.

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. This product, along with additional weather and stream information, is available at https://water.noaa.gov/wfo/lsx