Mostly sunny and windy. High 96F. Winds SSW at 20 to 30 mph. Winds could occasionally gust over 40 mph..
Clear skies. Low 67F. Winds S at 10 to 20 mph.
Updated: September 21, 2017 @ 5:53 am
The Tucson Convention Center exhibition hall becomes a zoo of activity as thousands of riders stage for their heat races at the 2013 USA BMX Southwest Nationals on Saturday at the Tucson Convention Center.
Hundreds of riders took to a 700-foot-long dirt track inside the Tucson Convention Center at…