Jackson Hole, Wyoming. In the wake of a cold front, a trace of snow fell at Missoula, Montana. The highest elevations of Idaho, Montana, and Wyoming picked up a few inches of snow. On the morning of July 28, the temperature fell to 21° at a location 7 miles northwest of Moose, WY, 25° at the summit of Jackson Resort, WY and 30° at Jackson Hole.
