1982 - A snowstorm over Wyoming produced 16.9 inches at Lander to esablish a 24 hour record for September for that location.
More on this and other weather history
Night: Mostly clear. Low around 41, with temperatures rising to around 43 overnight. West wind around 5 mph.
Day: Sunny, with a high near 74. Northeast wind 2 to 9 mph.
Night: Mostly clear, with a low around 44. East northeast wind 3 to 7 mph.
Day: Sunny, with a high near 77. Northeast wind 3 to 7 mph.
Night: Clear, with a low around 44. East wind around 6 mph.
Day: Sunny, with a high near 81.
Night: Mostly clear, with a low around 47.
Day: Mostly sunny, with a high near 83.
Night: Partly cloudy, with a low around 50.
Day: Mostly sunny, with a high near 80.
Night: Partly cloudy, with a low around 51.
Day: Mostly sunny, with a high near 78.
Night: Mostly clear, with a low around 48.
Day: Sunny, with a high near 76.
Mon's High Temperature
110 at Death Valley, CA
Mon's Low Temperature
24 at 14 Miles West-southwest Of Mackay, ID