Weld County 4-H Mardi Gras 21 Nov 2026 Mardi Gras is just around the corner and all 4-H Clubs should be gearing up for "Game On" is this year's Mardi Gras Theme. CSU Weld County Extension Office, 525 N. 15th Avenue, Greeley, CO, Suburb 1 80631 Tagged as: , Youth events