Flood Warning Issued for Angelina and Nacogdoches Counties in Texas

Source: NOAA · East Texas

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A Flood Warning has been issued by NWS Shreveport LA for Angelina and Nacogdoches Counties in Texas, with minor flooding expected along the Angelina River starting Monday afternoon.

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

This notice was issued by NOAA on May 12, 2026 and geographically references East Texas. 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 warning protocol behind it, which shapes what protective action (seeking shelter, following evacuation orders if issued, monitoring official updates) is recommended and which agency holds authority to issue or cancel it.

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, Texas) 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

The National Weather Service in Shreveport has issued a Flood Warning for the specified areas. This alert is effective from May 4, 2026, at 1:00 PM CDT until further notice.

Affected Areas

The warning affects Angelina County, TX, and Nacogdoches County, TX, specifically the Angelina River at Hwy 59 near Lufkin.

What You Should Do

Do not drive cars through flooded areas. Caution is urged when walking near riverbanks.

Expected Conditions

Minor flooding is forecast for the Angelina River. At a stage of 161.0 feet, expect minor flooding with the gravel parking lot flooded and water beginning to overflow the gravel road. The river stage was 158.2 feet at 8:45 AM CDT on Friday, and it is expected to rise above the 161.0-foot flood stage early Monday afternoon to 161.4 feet early Wednesday morning, with additional rises possible thereafter.

Timeline

The alert onset is May 4, 2026, at 1:00 PM CDT, and it will remain in effect until further notice.

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 has been issued by NWS Shreveport LA for Angelina and Nacogdoches Counties in Texas, with minor flooding expected along the Angelina River starting Monday afternoon.
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 East Texas. 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.