Utah Fly-fishing
In another month, melting snow will make moving-water fishing difficult. And it may be sometime in June before popular rivers quiet down enough to fish comfortably. Now, however, even the most novice of stream anglers stands a good chance at catching fish using the most basic of fishing methods. As noted, popular rivers, such as the Logan, Provo, Weber and Virgin, will be running high and fast in another month.
Ref. https://deseretnews.com/article/1,5143,695268575,00.html