The Western Shamrock Carnival opens its gates this afternoon as the San Angelo Rodeo begins today. Events include the Parade the vendors, and other attractions and activities. The first Rodeo performance takes place this evening at 7:30 PM. The Rodeo Parade will take place downtown tomorrow morning at 10 am. featuring riding clubs, antique tractors, wagons, marching bands, and floats. The annual Championship Cook-Off sponsored by the San Angelo Restaurant Association to raise money for the scholarship fund will also be held tomorrow. For more information on all the events and performances, go to San Angelo Rodeo dot com.