Flash Flood Warning

Locations Affected

Hendersonville, TN ∙ Gallatin, TN ∙ Millersville, TN ∙ Cottontown, TN ∙ Dixon Springs, TN ∙ Shackle Island, TN ∙ Hartsville, TN ∙ Castalian Springs, TN ∙ Old Hickory Lake, TN

Full Alert Message

BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Nashville TN 1048 PM CDT Tue Jul 21 2026 The National Weather Service in Nashville has extended the * Flash Flood Warning for... Southern Sumner County in middle Tennessee... Trousdale County in middle Tennessee... * Until 115 AM CDT. * At 1048 PM CDT, emergency management reported flash flooding from thunderstorms producing heavy rain across the warned area. Between 1 and 3 inches of rain have fallen. Flash flooding is ongoing. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Emergency management reported. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Gallatin, Hartsville, Hendersonville, Goodlettsville, White House, Millersville, Bledsoe Creek State Park, Cottontown, Green Hill and Dixon Springs. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads. && LAT...LON 3650 8624 3644 8617 3642 8597 3629 8613 3635 8623 3630 8626 3635 8628 3631 8630 3631 8636 3636 8636 3631 8639 3634 8644 3628 8652 3632 8655 3626 8657 3624 8661 3640 8675 3641 8669 3646 8667 3645 8629 FLASH FLOOD...OBSERVED

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