Markham, TX Warnings, Watches and Advisories

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NWS Active Alerts for TX - Map View

State: TX Alerts: 1 Updated: Oct 6, 2026 12:03am CDT

Coastal Flood Advisory

Area
Aransas Islands; Kleberg Islands; Nueces Islands; Calhoun Islands
Coastal Flood Advisory issued October 5 at 6:45AM CDT until October 6 at 7:00PM CDT by NWS Corpus Christi TX

* WHAT...Minor coastal flooding. * WHERE...Aransas Islands, Kleberg Islands, Nueces Islands and Calhoun Islands Counties. * WHEN...During times of high tide until 7 PM CDT Tuesday. * IMPACTS...Water pushing up to the beach dunes resulting in difficult driving and blocked access.

SAFETY and DATA MESSAGE

Do not drive vehicles through flooded areas. The water depth or fast flowing water/mud/debris from a flash flood will make road conditions unsafe. Do not rely soley on data presented here or other third-party websites - always check your official national and local weather service agency website, socials, radio and/or TV stations for making critical decisions related to weather events.

Please carefully read each posted Warning and Alert as it relates to the area(s) being affected. We may provide a wider range of issued severe weather warnings for surrounding cities and counties, so some alerts may not directly impact this location. This is done to help with preparing for severe weather that may overlap or be heading towards Markham.

Use the Radar Maps link provided to understand the trajectory of a storm.

Disclaimer

This severe weather alerts report is valid for ZIP code 77456, accurately covering the area of Markham, TX.

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Currently

Overcast 75°F
29.94 inHg.
Barometer
91%
Humidity
NNE 10.4 mph
Wind
Overcast

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