If you're looking for something to do today, you may want to check out the God and Country Festival of the Treasure Valley at the Ford Idaho Center Amphitheater. They'll have food, bands, key speakers, fireworks and is family-friendly.
Admission is free and is described as non-denominational.
Details from Godandcountryfestival.com:
Join us June 26 at the Idaho Center for a night of family-friendly fun, including the Treasure Valley's largest fireworks show, great Christian bands, military appreciation, civic awards, food and fellowship.
The featured speaker is Josh Branham:
Josh is the Lead Pastor of Hill City Church. He moved to Boise from Fairbanks, Alaska to study preaching at Boise Bible College. He went on to get his Master of Arts in Christian Ministry from Grand Canyon University. Josh and his wife Shaina have a daughter named Lily.
The website says that doors open at 4pm, but to come early as they expect big crowds. The Idaho Center charges $5 per car so they can provide better traffic direction at time of exit and make needed improvements to the parking lot. If you have the DMV pass, you can get in for free. Feel free to carpool!
All information can be found on their website here.