Whataburger opens for business Posted in: News Elgin's long-anticipated Whataburger at 1392 West U.S. Highway 290 opened on Monday morning, January 3 at 11 a.m. The restaurant, employing 60 people led by general manager Nathan Glowacki, will feature a custom mural of the Elgin Wildcats. Dining room hours are 7 a.m. to 10 p.m. with a 24/7 drive-through.PLEASE LOG IN FOR PREMIUM CONTENT. Our website requires visitors to log in to view the best local news. Not yet a subscriber? Subscribe today!