Weather Alerts For Decatur, IN

# HEADLINE -------------------- FLOOD WARNING NOW IN EFFECT UNTIL SATURDAY MORNING # SUMMARY -------------------- 1139 AM EDT Tue Sep 22 2026 # DETAILS -------------------- WHAT Moderate flooding is occurring and moderate flooding is forecast. WHERE Saint Marys River near Decatur. WHEN Until Saturday morning. IMPACTS At 22.5 feet, Piqua Road begins to flood at Decatur. Evacuations begin on Ogg Street. Ohio State Route 49 near Willshire becomes flooded. ADDITIONAL DETAILS - At 11:10 AM EDT Tuesday the stage was 22.6 feet. - Bankfull stage is 15.0 feet. - RECENT ACTIVITY The maximum river stage in the 24 hours ending at 11:10 AM EDT Tuesday was 23.6 feet. - FORECAST - The river is expected to fall below flood stage Friday morning and continue falling to 13.1 feet Sunday morning. - Flood stage is 17.0 feet. - http://www.weather.gov/safety/flood ISSUED AT Tuesday, September 22, 2026 at 11:39 AM EDT ISSUED BY National Weather Service Northern Indiana HEADER Flood Statement