Flash Flood Warning Issued for Fannin and Grayson Counties in Texas
This alert is no longer in effect.
NOAA issued it on June 11, 2026, 2 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).
Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.
NWS Fort Worth has issued a Flash Flood Warning for western Fannin County and eastern Grayson County until 1:00 PM CDT.
Read this weather record in 30 seconds
- Record type
- Flash Flood Warning
- Affected area
- North Central Texas
- Issued
- June 11, 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 2 months ago; use the issuing agency's live warning service for current conditions in North Central Texas.
Alert Details
A Flash Flood Warning has been issued by the National Weather Service in Fort Worth. The alert is effective from 11:12 AM CDT on May 27, 2026, until 1:00 PM CDT on May 27, 2026.
Affected Areas
The warning covers western Fannin County and eastern Grayson County in north central Texas. Locations that may experience flash flooding include Sherman, Bonham, Denison, Van Alstyne, Howe, Leonard, Whitewright, Gunter, Bells, Tom Bean, Savoy, Ector, Trenton, Knollwood, Ravenna, Dorchester, Valley Lake, Randolph, Bonham State Park and Lake Bonham.
What You Should Do
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Stay away or be swept away. River banks and culverts can become unstable and unsafe.
Expected Conditions
Doppler radar indicated thunderstorms producing heavy rain across the warned area, particularly southwest Fannin County where between 1.5 and 3 inches of rain have fallen. Flash flooding is ongoing or expected to begin shortly.
Timeline
The Flash Flood Warning is in effect until 1:00 PM CDT on May 27, 2026.
Original source: NOAA Official Notice ↗
Related Weather Alerts
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Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.
Similar body length
Nearest notices by article body length (1,103 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to June 11, 2026.
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