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. Partly cloudy. Low around 46, with temperatures rising to around 48 overnight. North northwest wind around 12 mph.
Day: Sunny, with a high near 72. North northwest wind 6 to 10 mph.
Night: Mostly clear, with a low around 43. North northwest wind 6 to 10 mph.
Day: Sunny, with a high near 74. North wind around 6 mph.
Night: Clear, with a low around 46. North wind around 6 mph.
Day: Sunny, with a high near 77.
Night: Clear, with a low around 49.
Day: Sunny, with a high near 78.
Night: Partly cloudy, with a low around 52.
Day: A slight chance of rain showers after noon. Partly sunny, with a high near 78.
Night: A chance of rain showers. Mostly cloudy, with a low around 52.
Day: A slight chance of rain showers before noon, then a chance of showers and thunderstorms. Partly sunny, with a high near 77.
Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 51.
Day: A slight chance of rain showers before noon, then a chance of showers and thunderstorms. Partly sunny, with a high near 75.
Sun's High Temperature
108 at Death Valley, CA
Sun's Low Temperature
18 at 27 Miles South Of Bonanza, UT