Flood Warning Issued for Williamson County, TX

Source: NOAA · Williamson County, TX

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A Flood Warning is in effect for the South Fork San Gabriel River at Georgetown in Williamson County through late evening May 27.

What this NWS weather alert tells you, and what most readers miss

This notice was issued by NOAA on June 10, 2026 and geographically references Williamson County, TX. Its severity classification of "high" signals how the issuing agency weighs the risk of harm if no action is taken — "critical" and "high" tier alerts typically carry direct consumer actions, while "medium" and "low" tend toward informational guidance or monitoring advisories. The category it belongs to — Weather Alerts — determines the regulatory framework behind it, which shapes what remedies (refunds, replacements, recalls, evacuations) are available to affected individuals and who holds statutory responsibility for enforcement.

Most readers skim a notice like this, check whether they are personally affected, and move on. The more useful lens is to read it as a data point about the issuing system: how quickly NOAA detected the hazard, how precise the geographic or product-identifier scope is, and whether similar notices have clustered in the same category or region in the last 90 days. Cluster patterns frequently precede a broader regulatory action — a single localized NWS weather alert is isolated; three of them within a quarter often indicate a supply-chain, infrastructure, or seasonal driver that will keep producing notices until something structural changes.

For decision-making, Areazine pairs each alert with the original agency URL, the full agency name, and a timestamp so you can verify the notice against the primary source before acting on it. Tags on this item (weather, alert, Flood Warning, Williamson County) map to related alerts in the same area of risk — browsing them together gives a clearer picture than any single notice alone, because the shape of an ongoing issue only becomes visible across multiple sequential alerts.

Alert Details

A Flood Warning has been issued by the National Weather Service Austin/San Antonio TX. The alert is effective from May 27 at 3:10 AM CDT and expires May 27 at 9:15 PM CDT, ending at 9:26 PM CDT.

Affected Areas

The warning covers Williamson County, TX, specifically the South Fork San Gabriel River at Georgetown.

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. Residents of lowest homes in the floodplain above Georgetown to Granger Lake should monitor NOAA Weather Radio for developing heavy rain and flood conditions.

Expected Conditions

Minor flooding is occurring and forecast. At 3:00 AM CDT the stage was 10.7 feet. The river is expected to rise to a crest of 10.9 feet this morning. Flood stage is 9.0 feet. At 9.0 feet, minor lowland flooding reaches low areas of the floodplain and overtops pedestrian bridges of the San Gabriel Park in Georgetown.

Timeline

The alert is in effect from early this morning to late this evening on May 27, 2026. The next statement will be issued this evening by 9:15 PM CDT.

Original source: NOAA Official Notice ↗

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Frequently Asked Questions

Common questions about this NWS weather alert.

What is this NWS weather alert about?
A Flood Warning is in effect for the South Fork San Gabriel River at Georgetown in Williamson County through late evening May 27.
Which agency issued this alert?
This alert was issued by NOAA. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "high" severity. Take precautions and monitor for updates.
What area is affected?
This alert affects Williamson County, TX. Check with NOAA for the most current geographic scope.
Where can I find more Weather Alerts updates?
Browse the full Weather Alerts feed on Areazine at areazine.com/weather/ for the latest updates from NOAA and other agencies.