Excessive Rainfall and Significant Flooding in the Upper Midwest This Weekend

Heavy to excessive rainfall is expected over the weekend across eastern Iowa, northern Missouri, northwest Illinois and southern Wisconsin. Numerous flash floods, some with significant impacts, are expected in these areas. Heaviest rainfall will occur overnight Saturday and Sunday, so be sure to have multiple ways to receive warnings. Read More >

Effective on October 31, 2023, the National Weather Service in Louisville in coordination with the Ohio River Forecast Center will begin daily forecast services for the Green River at Mammoth Cave at the request of Mammoth Cave National Park. Daily forecasts for the Green River at Mammoth Cave will be available on the National Weather Service webpage:

https://water.weather.gov/ahps2/hydrograph.php?wfo=lmk&gage=mmck2

The following flood stages have been established at Mammoth Cave, KY:

Action: 20 ft
Minor: 32 ft
Moderate: 57 ft
Major: 62 ft

Forecasts for the Green River at Mammoth Cave will be issued daily, and Flood Warnings will be issued when water levels are expected to reach or exceed the Minor Flood Stage level of 32 feet.

If you have any questions or comments on this new service, please contact:

Andrea Schoettmer, Senior Service Hydrologist
National Weather Service Forecast Office
6201 Theiler Lane
Louisville, KY 40229
Phone: 502-969-8842
E-Mail: andrea.schoettmer@noaa.gov

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Excessive Rainfall and Significant Flooding in the Upper Midwest This Weekend

New River Forecast Point at Mammoth Cave starting Oct 31, 2023