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: A slight chance of showers and thunderstorms between midnight and 3am, then a chance of showers and thunderstorms. Mostly cloudy. Low around 57, with temperatures rising to around 60 overnight. Northeast wind around 10 mph. Chance of precipitation is 30%.
Day: Sunny. High near 78, with temperatures falling to around 76 in the afternoon. North wind around 9 mph.
Night: Mostly clear. Low around 55, with temperatures rising to around 57 overnight. North northeast wind 8 to 14 mph.
Day: Sunny, with a high near 79. North wind 8 to 14 mph.
Night: Mostly clear, with a low around 54. North wind around 7 mph.
Day: Sunny, with a high near 80.
Night: Clear, with a low around 56.
Day: Sunny, with a high near 82.
Night: Partly cloudy, with a low around 59.
Day: Partly sunny, with a high near 82.
Night: A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 59.
Day: A chance of rain showers before noon, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 81.
Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 58.
Day: A chance of rain showers before noon, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 80.
Sun's High Temperature
108 at Death Valley, CA
Sun's Low Temperature
18 at 27 Miles South Of Bonanza, UT