Warmest rivers today

The warmest rivers right now – ranked live by water temperature.

Updated on July 17, 2026

1Mittellandkanal, Hahlen45.0 °C 2Rio Grande at Mission Main Canal near Mission, Texas37.7 °C 3Hot C A Flume near Mammoth Lakes, California34.8 °C 4St. Johns River near Cocoa, Florida33.2 °C 5Black Creek Canal West of 127 Ave near Goulds, Florida33.1 °C 6Little Pee Dee River at Galivants Ferry, South Carolina33.0 °C 7Buck Creek near Longs, South Carolina32.9 °C 8Broad River near Carlisle, South Carolina32.6 °C 9East Side Creek near Lake Ingraham, Florida32.6 °C 10Elbe, Glückstadt32.3 °C 11Luce Bayou Itp Canal at Capers Ridge near Hardin, Texas32.1 °C 12Little Saluda River near Prosperity, South Carolina32.0 °C 13Aiw at Myrtlewood Golf Course at Myrtle Beach, South Carolina31.9 °C 14Pee Dee River at HWY731 below Lake Tillery near Norwood, North Carolina31.9 °C 15SW 122 Ave Canal at SW 208TH St near Goulds, Florida31.9 °C 16Santee River near Pineville, South Carolina31.8 °C 17Stono River at Main Rd below Rantowles, South Carolina31.8 °C 18Rocky River at US 64 near Siler City, North Carolina31.7 °C 19Cedar River at San Juan Avenue at Jacksonville, Florida31.7 °C 20Peace River at Platt, Florida31.7 °C 21Black Lake Outlet at S-101A, at Lake Buena Vista, Florida31.6 °C 22Aiw at Grand Strand Airport N. Myrtle Beach, South Carolina31.5 °C 23Peace River near Peace River Heights near Ft. Ogden, Florida31.5 °C 24Peace River at Harbour Heights, Florida31.5 °C 25Arkansas River near Rocky Ford, Colorado31.5 °C 26Catawba River at Rr Bridge above NC 73 at Cowans Ford, North Carolina31.4 °C 27Broad River near Jenkinsville, South Carolina31.3 °C 28Savannah River at Fort Pulaski, Georgia31.3 °C 29Hillsborough River at Platt Street at Tampa, Florida31.3 °C 30Flat Creek Ds of Lake at Peachtree City, Georgia31.3 °C 31Santa Fe River at Worthington Springs, Florida31.1 °C 32Waccamaw River at Conway Marina at Conway, South Carolina31.0 °C 33Pee Dee River above Jones Creek near Cordova, North Carolina31.0 °C 34Broad River near Columbia, South Carolina31.0 °C 35Little Back River at Hog Island, near Savannah, Georgia31.0 °C 36Shakett Creek at CR 762 near Nokomis, Florida31.0 °C 37Minnehaha Creek at Hiawatha Ave. in Minneapolis, Minnesota31.0 °C 38Brazos River at Giww Flood Gates near Freeport, Texas31.0 °C 39Brazos River at Coe Flood Gates near Freeport, Texas31.0 °C 40Aiw at Highway 9 at Nixons Crossroads, South Carolina30.9 °C 41Wando River above Mt Pleasant, South Carolina30.9 °C 42Back River 0.4 Mi Downstream US17, near Savannah, Georgia30.8 °C 43Black Creek Canal East of US1 near Goulds, Florida30.8 °C 44Nueces River at Bluntzer, Texas30.8 °C 45Rio Grande near Rio Grande City, Texas30.8 °C 46Sampit River below US 17 near Georgetown, South Carolina30.7 °C 47Wateree River near Camden, South Carolina30.7 °C 48Rice Creek below Old Hwy. 8 in Mounds View, Minnesota30.7 °C 49Tongue River at Miles City, Montana30.7 °C 50Cooper River at U.s. HWY 17 at Charleston, South Carolina30.6 °C 51Alapaha River near Jennings, Florida30.6 °C 52Yuma Mesa Outlet Drain near Yuma, Arizona30.6 °C 53Manatee River at Rye, Florida30.5 °C 54Alafia River at US 301 at Riverview, Florida30.5 °C 55Apalachicola River at Chattahoochee, Florida30.5 °C 56Pumpkin River near Goodland, Florida30.5 °C 57Great Falls Reservoir Tailrace below Great Falls, South Carolina30.4 °C 58Cedar Creek Reservoir Tailrace below Great Falls, South Carolina30.4 °C 59Bonnet Creek near Vineland, Florida30.4 °C 60Powder River near Locate, Montana30.4 °C