3 listings in Monticello, 2 of them farmers markets. 1 has a market day and hours from a public register or the market's own website, and 1 appears in the USDA SNAP retailer register. Market days in Monticello: Thursday (1).
Few Monticello listings have a schedule or SNAP authorization we could source. Danville, 49 miles away, has 5 listings with more sourced detail; see also all of Illinois.