Flash Flood Warning — Washington County, Tennessee
Flooding is imminent or already occurring. Move to higher ground immediately — never drive through flooded roads.
Current Status
🌊 Active: Flash Flood Warning
Flash Flood Warning issued August 4 at 3:58PM EDT until August 4 at 6:00PM EDT by NWS Morristown TN
At 358 PM EDT, There are several social media reports in the Johnson City area with photos of flash flooding. Notable roads include Cherokee Road and Unicoi Drive. Between 1.5 and 2.5 inches of rain have fallen. Flash flooding is already occurring. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Public 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... Johnson City, Elizabethton, Jonesborough, Central, Pine Crest, Hampton, Midway, Oak Grove and Unicoi. This includes Interstate 26 in Tennessee between mile markers 14 and 22...and between mile markers 23 and 34.
Effective August 4, 2026 at 3:58 PM ET · Expires August 4, 2026 at 6:00 PM ET
Event Details
Event Type
Flash Flood Warning
Severity
severe
Issued By
NWS Morristown TN
Expires
August 4, 2026 at 6:00 PM ET
Last Checked
1 minute ago
What To Do
📋 Official NWS Guidance
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.
Also In Effect For
This same Flash Flood Warning also covers:
Other Active Alerts in Tennessee
Flash Flood Warning
Flash Flood Warning
Flash Flood Warning
Flood Advisory
Flood Advisory
Flood Advisory
Get Flash Flood Warning Alerts for Washington County
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Frequently Asked Questions
What does a Flash Flood Warning mean for Washington County, Tennessee?
Flooding is imminent or already occurring. Move to higher ground immediately — never drive through flooded roads.
Is this Flash Flood Warning currently active?
Yes — this alert is active as of our last check (1 minute ago). It's set to expire August 4, 2026 at 6:00 PM ET.
How do I get notified about Flash Flood Warning alerts for Washington County?
Download StormCast free on Google Play and set Washington County, Tennessee as one of your monitored locations. StormCast checks the NWS feed continuously and pushes alerts like this directly to your phone — even with the screen off.
What other areas does this alert cover?
This same Flash Flood Warning is also in effect for Sullivan County, Unicoi County, Carter County.