St. Louis, Missouri
Regional Weather Alerts
| Alert: | Flood Warning |
| Area(s): | Adams, IL; Lewis, MO |
| Effective: | 2026-09-24 @ 2:05 am -> 2026-09-25 @ 2:15 pm |
| Onset: | 2026-09-25 @ 12:00 pm -> 2026-09-27 @ 12:00 am |
| Severity: | Severe |
| Certainty: | Observed |
| Urgency: | Immediate |
| Issued By: | NWS St Louis MO on 2026-09-24 @ 2:05 am |
| Headline: | Flood Warning issued September 23 at 9:05PM CDT until September 26 at 7:00PM CDT by NWS St Louis MO |
| Description: |
...The Flood Warning continues for the following rivers in Missouri...Illinois... Mississippi River at Clarksville. Mississippi River at Louisiana. Mississippi River at Canton. Mississippi River at Hannibal. ...The Flood Warning is extended for the following rivers in Missouri...Illinois... Mississippi River at Saverton. Mississippi River at Winfield. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is forecast. * WHERE...Mississippi River at Canton. * WHEN...From Friday morning to Saturday evening. * IMPACTS...At 14.0 feet, Both banks begin to overflow. * ADDITIONAL DETAILS... - At 8:00 PM CDT Wednesday the stage was 13.2 feet. - Forecast...The river is expected to rise to a crest of 15.0 feet Friday morning. It will then fall below flood stage early Friday afternoon. - Flood stage is 15.0 feet. |
| Alert: | Flood Warning |
| Area(s): | Pike, IL; Marion, MO |
| Effective: | 2026-09-24 @ 2:05 am -> 2026-09-25 @ 2:15 pm |
| Onset: | 2026-09-25 @ 6:00 pm -> 2026-09-27 @ 6:00 am |
| Severity: | Severe |
| Certainty: | Observed |
| Urgency: | Immediate |
| Issued By: | NWS St Louis MO on 2026-09-24 @ 2:05 am |
| Headline: | Flood Warning issued September 23 at 9:05PM CDT until September 27 at 1:00AM CDT by NWS St Louis MO |
| Description: |
...The Flood Warning continues for the following rivers in Missouri...Illinois... Mississippi River at Clarksville. Mississippi River at Louisiana. Mississippi River at Canton. Mississippi River at Hannibal. ...The Flood Warning is extended for the following rivers in Missouri...Illinois... Mississippi River at Saverton. Mississippi River at Winfield. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is forecast. * WHERE...Mississippi River at Hannibal. * WHEN...From Friday afternoon to late Saturday night. * IMPACTS...At 17.0 feet, John Hay Recreation Area on east side (inside the Illinois Sny Levee) begins flooding. * ADDITIONAL DETAILS... - At 8:15 PM CDT Wednesday the stage was 16.0 feet. - Forecast...The river is expected to rise to a crest of 17.0 feet early Friday afternoon. It will then fall below flood stage Friday evening. - Flood stage is 17.0 feet. |
| Alert: | Flood Warning |
| Area(s): | Pike, IL; Ralls, MO |
| Effective: | 2026-09-24 @ 2:05 am -> 2026-09-25 @ 2:15 pm |
| Onset: | 2026-09-25 @ 4:00 pm -> 2026-09-28 @ 12:00 am |
| Severity: | Severe |
| Certainty: | Observed |
| Urgency: | Immediate |
| Issued By: | NWS St Louis MO on 2026-09-24 @ 2:05 am |
| Headline: | Flood Warning issued September 23 at 9:05PM CDT until September 27 at 7:00PM CDT by NWS St Louis MO |
| Description: |
...The Flood Warning continues for the following rivers in Missouri...Illinois... Mississippi River at Clarksville. Mississippi River at Louisiana. Mississippi River at Canton. Mississippi River at Hannibal. ...The Flood Warning is extended for the following rivers in Missouri...Illinois... Mississippi River at Saverton. Mississippi River at Winfield. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is forecast. * WHERE...Mississippi River at Saverton. * WHEN...From Friday morning to Sunday evening. * IMPACTS...At 15.5 feet, An access road to riverside raised homes on the riverward side of the Sny levee begins to flood near this level. * ADDITIONAL DETAILS... - At 8:00 PM CDT Wednesday the stage was 14.2 feet. - Forecast...The river is expected to rise above flood stage late Friday morning to a crest of 16.2 feet Friday evening. It will then fall below flood stage early Saturday afternoon. - Flood stage is 16.0 feet. |
| Alert: | Flood Warning |
| Area(s): | Calhoun, IL; Lincoln, MO |
| Effective: | 2026-09-24 @ 2:05 am -> 2026-09-25 @ 2:15 pm |
| Onset: | 2026-09-26 @ 12:00 pm -> 2026-09-28 @ 6:00 am |
| Severity: | Severe |
| Certainty: | Observed |
| Urgency: | Immediate |
| Issued By: | NWS St Louis MO on 2026-09-24 @ 2:05 am |
| Headline: | Flood Warning issued September 23 at 9:05PM CDT until September 28 at 1:00AM CDT by NWS St Louis MO |
| Description: |
...The Flood Warning continues for the following rivers in Missouri...Illinois... Mississippi River at Clarksville. Mississippi River at Louisiana. Mississippi River at Canton. Mississippi River at Hannibal. ...The Flood Warning is extended for the following rivers in Missouri...Illinois... Mississippi River at Saverton. Mississippi River at Winfield. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is forecast. * WHERE...Mississippi River at Winfield. * WHEN...From Saturday morning to late Sunday night. * IMPACTS...At 27.5 feet, At this stage, Lock and Dam 25 will stockpile 200 tons of sand, 12,000 sandbags, and 10,000 square feet of polyethylene plastic as a precaution. * ADDITIONAL DETAILS... - At 8:30 PM CDT Wednesday the stage was 23.3 feet. - Forecast...The river is expected to rise above flood stage Saturday morning to a crest of 26.1 feet early Saturday afternoon. It will then fall below flood stage Saturday evening. - Flood stage is 26.0 feet. |
| Alert: | Flood Warning |
| Area(s): | Pike, IL; Pike, MO |
| Effective: | 2026-09-24 @ 2:05 am -> 2026-09-25 @ 2:15 pm |
| Onset: | 2026-09-24 @ 8:00 pm -> 2026-09-29 @ 3:00 am |
| Severity: | Severe |
| Certainty: | Observed |
| Urgency: | Immediate |
| Issued By: | NWS St Louis MO on 2026-09-24 @ 2:05 am |
| Headline: | Flood Warning issued September 23 at 9:05PM CDT until September 28 at 10:00PM CDT by NWS St Louis MO |
| Description: |
...The Flood Warning continues for the following rivers in Missouri...Illinois... Mississippi River at Clarksville. Mississippi River at Louisiana. Mississippi River at Canton. Mississippi River at Hannibal. ...The Flood Warning is extended for the following rivers in Missouri...Illinois... Mississippi River at Saverton. Mississippi River at Winfield. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is forecast. * WHERE...Mississippi River at Louisiana. * WHEN...From Thursday afternoon to Monday evening. * IMPACTS...At 15.0 feet, The first quarter mile of Edison Avenue beyond the railroad tracks begins flooding near this height. * ADDITIONAL DETAILS... - At 8:30 PM CDT Wednesday the stage was 14.3 feet. - Forecast...The river is expected to rise above flood stage tomorrow afternoon to a crest of 15.9 feet Friday evening. It will then fall below flood stage Sunday afternoon. - Flood stage is 15.0 feet. |
| Alert: | Flood Warning |
| Area(s): | Calhoun, IL; Pike, MO |
| Effective: | 2026-09-24 @ 2:05 am -> 2026-09-25 @ 2:15 pm |
| Onset: | 2026-09-25 @ 1:30 am -> 2026-09-29 @ 9:00 am |
| Severity: | Severe |
| Certainty: | Observed |
| Urgency: | Immediate |
| Issued By: | NWS St Louis MO on 2026-09-24 @ 2:05 am |
| Headline: | Flood Warning issued September 23 at 9:05PM CDT until September 29 at 4:00AM CDT by NWS St Louis MO |
| Description: |
...The Flood Warning continues for the following rivers in Missouri...Illinois... Mississippi River at Clarksville. Mississippi River at Louisiana. Mississippi River at Canton. Mississippi River at Hannibal. ...The Flood Warning is extended for the following rivers in Missouri...Illinois... Mississippi River at Saverton. Mississippi River at Winfield. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is forecast. * WHERE...Mississippi River at Clarksville. * WHEN...From Thursday evening to late Monday night. * IMPACTS...At 27.2 feet, Silo Park just northwest of Clarksville off Highway 79 begins flooding. * ADDITIONAL DETAILS... - At 8:30 PM CDT Wednesday the stage was 23.9 feet. - Forecast...The river is expected to rise above flood stage tomorrow evening to a crest of 26.4 feet Saturday morning. It will then fall below flood stage late Sunday evening. - Flood stage is 25.0 feet. |
| Alert: | Flood Warning |
| Area(s): | Hancock, IL; Clark, MO |
| Effective: | 2026-09-23 @ 4:05 pm -> 2026-09-24 @ 4:15 pm |
| Onset: | 2026-09-25 @ 12:00 pm -> 2026-09-26 @ 6:00 pm |
| Severity: | Severe |
| Certainty: | Observed |
| Urgency: | Immediate |
| Issued By: | NWS Quad Cities IA IL on 2026-09-23 @ 4:05 pm |
| Headline: | Flood Warning issued September 23 at 11:05AM CDT until September 26 at 1:00PM CDT by NWS Quad Cities IA IL |
| Description: |
...The Flood Warning continues for the following rivers in Illinois...Iowa... Mississippi River at Gladstone LD18 affecting Henderson and Des Moines Counties. Mississippi River at Burlington affecting Henderson, Lee, Des Moines and Hancock Counties. ...The Flood Warning is extended for the following rivers in Missouri...Illinois... Mississippi River at Gregory Landing affecting Clark and Hancock Counties. * WHAT...Minor flooding is forecast. * WHERE...Mississippi River at Gregory Landing. * WHEN...From Friday morning to Saturday afternoon. * IMPACTS...At 16.0 feet, water affects buildings in unprotected low areas. * ADDITIONAL DETAILS... - At 10:30 AM CDT Wednesday the stage was 13.2 feet. - Forecast...The river is expected to rise to a crest of 15.0 feet Friday morning. It will then fall below flood stage Friday evening. - Flood stage is 15.0 feet. |