Texas Severe Flash Flood Warning | Effective 09/20/2026 16:27

Headline: 
Flash Flood Warning issued September 20 at 6:27PM CDT until September 20 at 8:00PM CDT by NWS Fort Worth TX
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
September 20, 2026 - 4:27pm
Expires: 
September 20, 2026 - 6:00pm
Description: 
FFWFWD The National Weather Service in Fort Worth has issued a * Flash Flood Warning for... East Central Grayson County in north central Texas... * Until 800 PM CDT. * At 627 PM CDT, emergency management reported multiple un-passable roads and potential water rescues ongoing in Denison. Flash flooding is ongoing or expected to begin shortly. Stay off the roads unless absolutely necessary. HAZARD...Life threatening flash flooding. SOURCE...Emergency management reported. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. * Some locations that will experience flash flooding include... Sherman, Denison, Knollwood and Randell Lake.
Instruction: 
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.
Area Description: 
Grayson, TX
Forcast Office: 
NWS Fort Worth TX
Sender: 
w-nws.webmaster@noaa.gov