Check Out Our Special Offers in Weldon Spring Click on coupon to print or present coupon on your mobile device. LIMITED TIME Up $50 Off Save up to $50 ($15 Off $150+, $25 Off $250+, $50 Off $500+) Expires May 31, 2025 Offer not valid with any other offer. Must present coupon at time of purchase. Offer only valid at the Weldon Spring location. 100 Prosperity Drive, O'Fallon, MO 63368