The Rocky Mountain Thunder was an indoor football team in the Indoor Professional Football League (IPFL) during the 1999 season. The Thunder was owned by Scott D. Riddell and played their home games at the World Arena in Colorado Springs, Colorado. The team's official colors were: Royal Blue, Silver and Black. The head coach for the Thunder was Collins Sanders, who also served as head coach for the 1998 PIFL Colorado Wildcats and currently is head coach/director of football operations for the Colorado Ice of the UIF.