Severe Thunderstorm Warning Issued for Harris, Montgomery, and Surrounding Counties in Southeast Texas

Source: NOAA · Southeast Texas

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The National Weather Service has issued a Severe Thunderstorm Warning for parts of Southeast Texas until 12:45 PM CDT, citing 60 mph wind gusts and potential for tornado development.

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

This notice was issued by NOAA on March 20, 2026 and geographically references Southeast 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 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, Severe Thunderstorm Warning, Southeast 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 Houston/Galveston has issued a Severe Thunderstorm Warning for portions of southeastern Texas. The warning is in effect until 12:45 PM CDT on March 11, 2026.

Affected Areas

The warning covers the following geographic regions in southeastern Texas:

  • East central Austin County
  • Northwestern Fort Bend County
  • Southern Montgomery County
  • Central Waller County
  • Northwestern Harris County

Specific locations impacted include Southeastern Conroe, Katy, Tomball, Jersey Village, Sealy, Prairie View, Brookshire, Hunters Creek Village, Bunker Hill Village, Piney Point Village, Pinehurst, Northside / Northline, Spring Branch North, The Woodlands, Greater Greenspoint, Spring, Aldine, Eldridge / West Oaks, Spring Branch West, and Addicks Park Ten.

What You Should Do

Residents in the warning area should move to an interior room on the lowest floor of a sturdy building for protection. Remain alert for the possibility of a tornado, as they can develop quickly from severe thunderstorms. If a tornado is spotted, go immediately to a basement or a small central room in a sturdy structure. A Tornado Watch remains in effect for the broader southeastern Texas region until 6:00 PM CDT.

Expected Conditions

At 11:49 AM CDT, radar indicated severe thunderstorms located along a line extending from near Prairie View to near Pattison to near San Felipe, moving east at 30 mph.

  • Wind: Gusts up to 60 mph are expected, which may cause damage to roofs, siding, and trees.
  • Hail: Radar indicates hail potential up to 0.75 inches.
  • Tornado Threat: Tornado development is possible.

Timeline

The Severe Thunderstorm Warning was issued at 11:49 AM CDT and is scheduled to expire at 12:45 PM CDT on Wednesday, March 11.

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?
The National Weather Service has issued a Severe Thunderstorm Warning for parts of Southeast Texas until 12:45 PM CDT, citing 60 mph wind gusts and potential for tornado development.
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 Southeast 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.