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.
Severe-weather outlook
General (non-severe) thunderstorms are possible in San Marcos, TXtoday, per the Storm Prediction Center's Day 1 outlook.
3-day forecast
Today
Overcast
96° / 74°
1% precip
Tomorrow
Overcast
93° / 74°
12% precip
Saturday
Thunderstorms
96° / 74°
48% precip
Forecast via Open-Meteo.
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.
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.