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
Day: A slight chance of rain showers between 2pm and 4pm, then a chance of showers and thunderstorms between 4pm and 5pm, then a slight chance of showers and thunderstorms. Mostly sunny. High near 97, with temperatures falling to around 93 in the afternoon. East wind 2 to 9 mph. Chance of precipitation is 30%.
Night: A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 73. East wind 2 to 10 mph. Chance of precipitation is 20%.
Day: A slight chance of rain showers between 1pm and 4pm, then a slight chance of showers and thunderstorms. Sunny, with a high near 96. East northeast wind 2 to 8 mph. Chance of precipitation is 20%.
Night: A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 72. East wind 2 to 9 mph. Chance of precipitation is 20%.
Day: A slight chance of rain showers between 7am and 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 97. East northeast wind 2 to 8 mph. Chance of precipitation is 40%.
Night: A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 74. East southeast wind 2 to 9 mph. Chance of precipitation is 40%.
Day: A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 97. East southeast wind 2 to 9 mph. Chance of precipitation is 40%.
Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 75. East southeast wind 3 to 9 mph. Chance of precipitation is 40%.
Day: A slight chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 96. East southeast wind 2 to 7 mph. Chance of precipitation is 40%.
Night: A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly clear, with a low around 74. East southeast wind 2 to 8 mph. Chance of precipitation is 40%.
Day: A slight chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 97. Chance of precipitation is 40%.
Night: A chance of showers and thunderstorms. Mostly clear, with a low around 74. Chance of precipitation is 40%.
Day: A slight chance of rain showers before 7am, then a chance of showers and thunderstorms. Sunny, with a high near 98.
Sun's High Temperature
108 at Death Valley, CA
Sun's Low Temperature
18 at 27 Miles South Of Bonanza, UT