Improv Night slated at BLTShannon Donovan will host an Improv Night from 7 to 9 p.m. Saturday at the Butler Little Theatre, One Howard St. Admission is $5. Call 724-287-6781.

Penn Theater hosts dinnerA spaghetti dinner to benefit the Penn Theater Performance Company will be from 6 to 9 p.m. Jan. 13 at the Grand Ballroom (Cornerstone Commons), 201 S. Main St.Live music by the Harmony Hot Haus band and raffles are planned. Tickets are $10 and available at www.penntheaterbutler.com.

Jennings sets Prairie DayBRADY TWP — Jennings Environmental Education Center will host a Prairie Improvement Day from 9 a.m. to 1 p.m. Jan. 21. Lunch will be provided. Register at events.dcnr.pa.gov or at 724-794-6011 by Sunday.

Sing Hosanna! has dinner showSing Hosanna! will present “Yours Truly, Jack Frost” for its winter dinner theater at noon Jan. 21 at St. Peter Roman Catholic Church hall, 127 Franklin St.The show will feature Maxwell McAuley, Leah Harris, Nikki Ambrose, Jordan Davis, Conner Yelich, TommyLynn Kilian, Skylyn Ellison, Shannyne Bergbigler, Jessi Watson, Luke Pfeifer and Sean Tweed.Cost is $22 for adults and $7 for children 10 and younger. Reservations are due by Jan. 16. Tickets are available from cast members and at May’s Music Shoppe. Call 724-287-8362 for information.

‘Romantics’ on symphony listThe Butler County Symphony Orchestra’s 68th season will feature “Great Romantics” with violinist Tanya Satteson at 7:30 p.m. Feb. 4 at the Butler Intermediate High School auditorium. For information, call 724-283-1402 or visit www.butlersymphony.org.

Youth group to performPITTSBURGH — Music in a Great Space at Shadyside Presbyterian Church will host the Pittsburgh Youth Symphony Orchestra at 3 p.m. Jan. 22. Tickets are $15 for adults, $10 for senior citizens, and free for students. For information, call 412-682-4300.

Locomotion Day plannedPITTSBURGH — Carnegie Science Center will host Locomotion Day on Saturday with a rail yard featuring train displays by local hobbyists as well as free checkups at the “Loco Doctor” table. Activities are free with general admission. Visit CarnegieScienceCenter.org.

Fort Pitt closes temporarilyPITTSBURGH — The Fort Pitt Museum is temporarily closed for exhibition maintenance and updating. It will reopen Jan. 28.The closure will allow the staff to prepare for this year’s activities, including a new exhibition on 18th century powder horns, a display of works by late Pittsburgh artist Nat Youngblood and weekly living history programs.