Agree wth Unsub, my last trip though Wyoming was late August and snow was coming down early that year. When I took my trips out west I really focused on the Historical weather forecast's to plan my trip. PNW is historically wet and late June early July is the driest. The only issue is at higher elevations, the snow can be a factor till late June and July.Was not able to rode Beartooth nor able to get into Crater Lake area on one trip due to snow pack during middle of June.