San Marcos, TX — Severe Weather & Radar
No active severe-weather warnings for San Marcos, TX right now. Live radar is below — set up alerts to get warned the moment one is issued.
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Severe-weather outlook
No severe-weather risk is outlooked for San Marcos, TX today.
3-day forecast
Forecast: NOAA National Blend of Models.
When is severe weather most likely near San Marcos?
San Marcos sits in the southern Great Plains — part of "Tornado Alley," one of the most tornado-prone regions on Earth.
Severe weather is most active from April through June, when large hail, damaging winds, and tornadoes are all common, usually with afternoon and evening thunderstorms.
Based on long-term NOAA / NWS Storm Prediction Center climatology.
In San Marcos, TX
San Marcos, TX is home to an estimated 54,000 people. Atmostorm shows whether San Marcos is inside an active NWS warning polygon right now — and warns you the moment that changes.
Nearby areas
Live radar and active alerts for places near San Marcos:
Not an official source — always confirm with the National Weather Service at weather.gov. Data aggregated from NWS/SPC. Facility and population figures are decision-support estimates.