Weather Alerts For Hull, IL

# HEADLINE -------------------- FLOOD WARNING NOW IN EFFECT FROM FRIDAY MORNING TO SATURDAY EVENING # SUMMARY -------------------- 948 PM CDT Mon Sep 21 2026 Mississippi River Hannibal 17.0 14.1 15.1 16.1 16.8 16.9 15.7 # DETAILS -------------------- WHAT Minor flooding is forecast. WHERE Mississippi River at Hannibal. WHEN From Friday morning to Saturday evening. IMPACTS At 17.0 feet, John Hay Recreation Area on east side (inside the Illinois Sny Levee) begins flooding. ADDITIONAL DETAILS - At 9:15 PM CDT Monday the stage was 14.1 feet and rising. - FORECAST - The river is expected to rise to a crest of 17.0 feet Friday morning. It will then fall below flood stage early Friday afternoon. - Flood stage is 17.0 feet. ISSUED AT Monday, September 21, 2026 at 9:48 PM CDT ISSUED BY National Weather Service St Louis MO HEADER Flood Statement