Sweet treats await at Morton Arboretum's Chocolate Weekend, former Styx frontman Dennis DeYoung plays the Genesee, and stunt performers show off their skills at the Chicago Progressive International Motorcycle Show. Here are five fun ideas for the weekend. For others, go to dailyherald.com/calendar. And with the weather iffy, check before you go.

Dennis DeYoung at Genesee Theatre

Celebrate an Illinois homegrown rock star when former Styx frontman Dennis DeYoung ("Desert Moon," "Too Much Time on My Hands") performs at the Genesee Theatre, 203 N. Genesee St., Waukegan. $45-$95. (847) 263-6300 or geneseetheatre.com. 8 p.m. Saturday, Feb. 10.

Chocolate Weekend at Morton Arboretum

Linda Keed of Le Chocolat du Bouchard in Naperville appeared at a previous Chocolate Weekend at the Morton Arboretum in Lisle. Daily Herald File Photo

A variety of vendors sell sweet specialty treats during Chocolate Weekend at the Morton Arboretum, 4100 Route 53, Lisle. General admission: $14; $12 seniors; $9 kids 2-17. (630) 968-0074 or mortonarb.org. 9 a.m. to 4 p.m. Saturday and Sunday, Feb. 10-11.

Chicago Progressive International Motorcycle Show

See the latest models, stunt performers and more at the Chicago Progressive International Motorcycle Show when it returns to the Donald E. Stephens Convention Center, 5555 N. River Road, Rosemont. $18; kids 11 and younger admitted free with a guardian. (847) 692-2220 or motorcycleshows.com. 9 a.m. to 8 p.m. Saturday, Feb. 10, and 10 a.m. to 5 p.m. Sunday, Feb. 11.

Elgin Symphony Orchestra

A stunt rider performs during a previous Progressive International Motorcycle Show at the Donald E. Stephens Convention Center in Rosemont. Daily Herald File Photo

The Elgin Symphony Orchestra amasses choral forces and operatic singers to perform the Mozart Requiem and the Vivaldi Gloria at the Hemmens Cultural Center, 45 Symphony Way, Elgin. $30-$65; $10 students. (847) 888-4000 or elginsymphony.org. 7:30 p.m. Saturday, Feb. 10, and 2:30 p.m. Sunday, Feb. 11.

Three bands at the Arcada

Relive rocking music of the 1960s and '70s when the Grass Roots, Gary Puckett & The Union Gap and The Cowsills share a concert bill at the Arcada Theatre, 105 E. Main St., St. Charles. $39-$79. (630) 962-7000 or arcadalive.com. 3 p.m. Sunday, Feb. 11.