This event is no longer active — it's kept here as a record. Recovery may still be underway; the guidance below applies.
Part of: Athens County Area Flooding — July 2026 →
Flash Flood Warning issued July 21 at 7:37PM CDT until July 21 at 10:45PM CDT by NWS Nashville TN
This is a severe-significance flash flood warning event affecting Montgomery, TN, tracked from official feeds (NOAA / National Weather Service). We update this page as the situation develops.
- Type
- Flash Flood Warning
- Extent
- ≈ 347,761 acres
- Began
- To end
Affected by this event? Open your area's damage guides below to reach a vetted local restoration pro, 24/7.
Affected area map
The shaded area is the affected-area perimeter reported for this event by NOAA / National Weather Service (Montgomery, TN), colored by hazard type. Pan and zoom to explore the map; when more than one observation exists, use the slider below to step through how the reported area changed.
Interactive affected-area map
Montgomery, TN · ≈ 540 sq mi reported extent · Enable JavaScript to explore the map.
Shown as reported by our sources — not an official product. For current advisories and the authoritative map, see NOAA / National Weather Service ↗.
Restoration help near this event
Tap your city for a vetted local pro on that service, answered 24/7. Where we don't have a nearby city page yet, the step-by-step guides cover what to do first.
Latest updates
Official updates and news coverage for this event, newest first — National Weather Service products, local storm reports, incident updates and press headlines. Official items are verbatim government text; news headlines link out to the original outlet.
- Storm report NWS OHX storm report
FLASH FLOOD — Greenbrier, TN
Water rescue in Greenbrier.
- News WJLA
Bridge closed after partial collapse due to heavy rain and flooding in Montgomery County
- Storm report NWS OHX storm report
FLASH FLOOD — 1 WNW Portland, TN
Flooding in Portland on Heritage Drive.
- Storm report NWS OHX storm report
FLASH FLOOD — Greenbrier, TN
Roads flooded in Greenbrier.
Show 5 earlier updates
- NWS OHX storm report Storm report
- DC News Now News
- NWS Nashville TN Bulletin
- Bethesda Magazine News
Severe thunderstorms could bring damaging winds, flooding to Montgomery County
- Clarksville Online News
Flash Flood Warning Issued for Eastern Montgomery County, Clarksville
Updates are captured automatically from official and news sources, and may lag the live source. For the very latest, see NOAA / National Weather Service ↗.