Active Weather Alerts
River Flood Warning
Issued: 3:05 PM Mar. 9, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT UNTIL TUESDAY EVENING... * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Meramec River near Sullivan. * WHEN...Until Tuesday evening. * IMPACTS...At 13.5 feet, Cave Road begins flooding at Onondaga Cave State Park near this height. * ADDITIONAL DETAILS... - At 9:29 AM CDT Monday the stage was 13.5 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:29 AM CDT Monday was 18.2 feet. - Forecast...The river is expected to fall below flood stage this afternoon and continue falling to 5.6 feet Sunday morning. - Flood stage is 11.0 feet. && All Times CDT Fld Observed Forecasts (7:00 am) Location Stg Stage Tue Wed Thu Fri Sat Meramec River Sullivan 11.0 13.5 7.9 7.2 6.9 6.5 5.9 &&
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