Sierra Vista, AZ — Severe Weather & Radar
No active severe-weather warnings for Sierra Vista, AZ right now. Live radar is below — set up alerts to get warned the moment one is issued.
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Severe-weather outlook
General (non-severe) thunderstorms are possible in Sierra Vista, AZtoday, per the Storm Prediction Center's Day 1 outlook.
3-day forecast
Forecast via Open-Meteo.
When is severe weather most likely near Sierra Vista?
In Sierra Vista, the main severe-weather season is the summer monsoon, roughly July through September.
It brings thunderstorms, dust storms, damaging winds, and dangerous flash flooding; severe weather is uncommon the rest of the year.
Based on long-term NOAA / NWS Storm Prediction Center climatology.
In Sierra Vista, AZ
Sierra Vista, AZ is home to an estimated 45,000 people. Atmostorm shows whether Sierra Vista 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 Sierra Vista:
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.