Flash Flood Warning Issued for Central Williamson County, TX
This alert is no longer in effect.
NOAA issued it on June 1, 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.
A Flash Flood Warning is in effect for central Williamson County in south central Texas until 3:00 AM CDT due to thunderstorms producing heavy rain and life-threatening flash flooding.
Read this weather record in 30 seconds
- Record type
- Flash Flood Warning
- Affected area
- Central Williamson County, Texas
- Issued
- June 1, 2026
- Issuing authority
- NWS Austin/San Antonio 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 Central Williamson County, Texas.
Alert Details
A Flash Flood Warning has been issued by the National Weather Service in Austin/San Antonio TX. The alert is effective from May 19 at 10:25 PM CDT until May 20 at 3:00 AM CDT.
Affected Areas
Central Williamson County in south central Texas. Locations that will experience flash flooding include Round Rock, Georgetown, Taylor, Granger, Serenada, Hutto, Bartlett, Thrall, Weir, Granger Dam, Georgetown Dam, Sun City, Jonah, Waterloo, Walburg, Hoxie, Sandoval, Laneport and Hare. This includes streams and drainages such as Pecan Branch, Opossum Creek, Weir Branch, Dry Berry Creek, South Fork Mustang Creek, Brushy Creek, North Fork San Gabriel River, South Fork San Gabriel River, Long Branch, Mileham Branch, Berry Creek, Cottonwood Creek, Turkey Creek, Yankee Branch, McNutt Creek, Mustang Creek, Smith Branch, Bull Branch, Cowan Creek, Middle Fork San Gabriel River, Donahoe Creek, San Gabriel River, Willis Creek, Chandler Branch, Alligator Creek and Smalley Branch.
What You Should Do
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding. Be aware of your surroundings and do not drive on flooded roads.
Expected Conditions
At 10:25 PM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 3 inches of rain have fallen. Additional rainfall amounts up to 2 inches are possible. Flash flooding is ongoing or expected to begin shortly.
Timeline
The warning is effective immediately from May 19 at 10:25 PM CDT and remains in effect until May 20 at 3:00 AM CDT.
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 (1,672 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to June 1, 2026.
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