Live streamflow across the country.

# Surging Rivers: Midwest and Ohio Valley Experience Exceptional Streamflows While Southeast Sees Mixed Conditions

A dramatic surge in river flows is reshaping waterways across the United States this week, with the Ohio River at Old Shawneetown reaching a remarkable 259,000 cubic feet per second—the highest flow in the nation. The Midwest is experiencing particularly exceptional conditions, with numerous watersheds reporting flows exceeding 2,000% of normal levels. Meanwhile, the St. Johns River system in Florida shows contrasting conditions, with Jacksonville recording 152,000 cfs while the lower basin languishes at just 18% of normal flow, highlighting the nation's stark hydrological divide.

The Great Lakes and Ohio Valley regions are witnessing extraordinary watershed responses to recent precipitation. Ohio's Maumee River system is experiencing catastrophic flows, with the St. Marys watershed at an astounding 21,604% of normal and the Auglaize basin at 7,982% of normal. The Upper Wabash in Indiana reports 20,794% of normal flow, transforming typically placid streams into raging torrents. Major cities including Toledo, Fort Wayne, and Dayton face significant flood risks, while Pittsburgh-area rivers including the Allegheny, Clarion, and French show sustained elevated flows between 700-1,100% of normal. For water managers, these conditions demand intensive monitoring of dam operations and flood control infrastructure, while anglers and rafters should avoid these waterways entirely until flows subside.

The Mississippi River basin presents a complex picture, with the upper reaches near Hastings and St. Paul, Minnesota maintaining moderate high flows around 24,000-28,000 cfs, fed by the swollen Minnesota River system showing consistent flows above 600% of normal from Lac Qui Parle to Jordan. Arkansas's White River corridor reports strong but manageable flows between 18,200-43,800 cfs under mostly sunny skies—potentially offering skilled rafters exciting conditions in coming weeks. The Pacific Northwest's Snake River shows robust snowmelt-driven flows exceeding 19,000 cfs at Hells Canyon despite scattered snow showers, while California's Sacramento River maintains controlled releases around 15,900 cfs at Verona. The Southeast's Savannah River system flows strongly at 9,000-25,700 cfs through Georgia, supporting healthy conditions for the region's ecosystems and recreational users.