Our local EAA chapter (1511 Cloud Peak Flyers) is hosting a fly-in and pancake breakfast at the Sheridan County Airport (KSHR) on 16 July. KSHR is located on the SW edge of town (camping is permitted on the grass tiedown area), a short walk to the "downtown" area. Sheridan is having it's "Wyo Days" celebration that same weekend with lots of activities and a rodeo.
The EAA chapter website is http://www.eaacloudpeakflyers.org
The Sheridan Wyo Rodeo website is http://www.sheridanwyorodeo.com