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 55, with temperatures rising to around 59 overnight. East wind around 5 mph.
Day: Sunny. High near 82, with temperatures falling to around 79 in the afternoon. Northeast wind around 6 mph.
Night: Mostly clear. Low around 56, with temperatures rising to around 58 overnight. Northeast wind 2 to 6 mph.
Day: Sunny, with a high near 82. South wind 2 to 6 mph.
Night: Mostly clear, with a low around 56. North northeast wind around 5 mph.
Day: Sunny, with a high near 83.
Night: Partly cloudy, with a low around 57.
Day: Mostly sunny, with a high near 83.
Night: A slight chance of rain showers after 8pm. Mostly cloudy, with a low around 57.
Day: A chance of rain showers. Partly sunny, with a high near 79.
Night: A chance of rain showers. Mostly cloudy, with a low around 57.
Day: A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 78.
Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 58.
Day: A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 77.
Mon's High Temperature
110 at Death Valley, CA
Mon's Low Temperature
24 at 14 Miles West-southwest Of Mackay, ID