Active Weather Alerts
River Flood Warning
Issued: 1:14 AM Jul. 1, 2025 – National Weather Service
...FLOOD WARNING NOW IN EFFECT UNTIL THURSDAY EVENING... * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Meramec River near Sullivan. * WHEN...Until Thursday evening. * IMPACTS...At 17.3 feet, The Onondaga Cave State Park picnic shelter begins flooding near this height. * ADDITIONAL DETAILS... - At 7:29 PM CDT Monday the stage was 16.7 feet. - Forecast...The river is expected to rise to a crest of 17.7 feet tomorrow morning. It will then fall below flood stage early Wednesday afternoon. - Flood stage is 11.0 feet. && Fld Observed Forecasts (7:00 am) Location Stg Stage Tue Wed Thu Fri Sat Meramec River Sullivan 11.0 16.7 17.7 12.2 7.7 5.8 5.1 &&
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