This event is no longer active — it's kept here as a record. Recovery may still be underway; the guidance below applies.
Part of: Dawson County Area Flooding — July 2026 →
Flash Flood Warning issued July 17 at 3:50PM EDT until July 17 at 6:45PM EDT by NWS Morristown TN
This is a severe-significance flash flood warning event affecting Anderson, TN; Blount, TN; Knox, TN; Loudon, TN; Roane, TN; Union, TN, tracked from official feeds (NOAA / National Weather Service). We update this page as the situation develops.
- Type
- Flash Flood Warning
- Extent
- ≈ 338,639 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 areas & guides
Every area named for this event, per the official source. Open yours for damage guides — what to do first, and how to reach a vetted restoration pro, 24/7.
Anderson, TN ≈ 14 mi
Blount, TN ≈ 14 mi
Knox, TN
Loudon, TN ≈ 9 mi
Roane, TN ≈ 10 mi
Union, TN ≈ 9 mi
Affected area map
The shaded area is the affected-area perimeter reported for this event by NOAA / National Weather Service (Anderson, TN; Blount, TN; Knox, TN; Loudon, TN; Roane, TN; Union, TN), colored by its significance. 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
Anderson, TN; Blount, TN; Knox, TN; Loudon, TN; Roane, TN; Union, TN · ≈ 530 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 ↗.
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.
- Bulletin NWS Morristown TN
Flash Flood Warning issued
Anderson, TN; Blount, TN; Knox, TN; Loudon, TN; Roane, TN; Union, TN
Updates are captured automatically from official and news sources, and may lag the live source. For the very latest, see NOAA / National Weather Service ↗.