Flash Flood Warning Issued for Central Grayson County, Texas Through Saturday Afternoon
This alert is no longer in effect.
NOAA issued it on April 6, 2026, 4 months ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).
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The National Weather Service has issued an immediate Flash Flood Warning for central Grayson County after emergency management reported flooding in Sherman and surrounding areas.
Read this weather record in 30 seconds
- Record type
- Flash Flood Warning
- Affected area
- Grayson County, Texas
- Issued
- April 6, 2026
- Issuing authority
- NWS Fort Worth TX
Flood notices turn on location and timing. Treat the named area as this record's scope; do not assume nearby counties, parishes, or waterways were included.
Record status: historical. It was issued 4 months ago; use the issuing agency's live warning service for current conditions in Grayson County, Texas.
Alert Details
The National Weather Service in Fort Worth has issued a Flash Flood Warning for central Grayson County in north central Texas. This is an immediate alert based on observed flooding conditions reported by emergency management.
Affected Areas
The warning specifically covers central Grayson County. Locations expected to experience flash flooding include:
- Cities and Towns: Sherman, Whitesboro, Denison, Howe, Pottsboro, Collinsville, Gunter, Knollwood, Dorchester, Southmayd, Tioga, Sadler, Ethel, Luella, Boddie, and Carpenters Bluff.
- Parks and Landmarks: Eisenhower State Park, Lake Texoma, Randell Lake, and Preston.
Local law enforcement has already reported flooding in several specific areas, including the Harrison St. bridge, the 1000 block of north Travis, and the area between Taylor St. and Parkway.
What You Should Do
Residents and motorists are urged to follow the "Turn around, don't drown" rule when encountering flooded roads. Most flood-related deaths occur in vehicles. Do not attempt to drive through flooded underpasses, highways, or streets. Avoid low-lying areas and poor drainage zones where water can accumulate rapidly.
Expected Conditions
- Hazard: Flash flooding caused by heavy thunderstorms.
- Current Rainfall: Between 1 and 2 inches of rain have already fallen in the affected area.
- Additional Rainfall: Up to 1 inch of additional rainfall is forecast.
- Impacts: Expect flooding of small creeks, streams, urban areas, highways, and streets. Underpasses and other low-lying areas are particularly vulnerable.
Timeline
The Flash Flood Warning is effective immediately as of 12:16 PM CST and is currently scheduled to expire at 3:15 PM CST on February 14, 2026.
Original source: NOAA Official Notice ↗
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