Collin County, TX — Severe Weather & Radar
No active severe-weather warnings for Collin County, 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
General (non-severe) thunderstorms are possible in Collin County, TXtoday, per the Storm Prediction Center's Day 1 outlook.
3-day forecast
Forecast via Open-Meteo.
When is severe weather most likely near Collin?
Collin County 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 Collin County, TX
Collin County, TX has an estimated 1,100,000 residents, plus 16 hospitals, 26 nursing homes, 329 schools, 6 mobile-home parks, 23 dialysis centers that could be in a storm's path. Atmostorm shows which of them fall inside an active warning polygon.
Emergency-management view: who & what is in the warned path →
Nearby areas
Live radar and active alerts for places near Collin:
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.