What kind of weather does Oklahoma have?
Climate of Oklahoma City
In spring (March to early June), Oklahoma City lies in a zone of frequent conflict between warm, moist air from the Gulf of Mexico and cold, dry air from Canada.  Furthermore, the "dryline," separating hot, dry air from Mexico and the southwestern U.S. from warm, moist air from the Gulf of Mexico, often spawns strong to severe thunderstorms across central Oklahoma.  Accordingly, precipitation sees a marked uptick in spring, not uncommonly accompanied by severe weather, including severe thunderstorms, large hail, and tornadoes, especially from mid-April to early June, with May the highest-risk month.  Oklahoma City, and central Oklahoma generally, is one of the most tornado-prone places in the world.  The average date of the last spring freeze is March 29, while the first 90°F (32°C) of summer can be expected on May 6.