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 50, with temperatures rising to around 52 overnight. Southwest wind around 7 mph.
Day: A slight chance of showers and thunderstorms between 11am and 5pm. Sunny. High near 80, with temperatures falling to around 76 in the afternoon. Southwest wind 5 to 12 mph, with gusts as high as 17 mph.
Night: Partly cloudy, with a low around 51. Southwest wind around 7 mph.
Day: Mostly sunny, with a high near 80. West wind around 7 mph.
Night: Mostly cloudy, with a low around 51. Southwest wind 3 to 7 mph.
Day: A slight chance of showers and thunderstorms after 11am. Partly sunny, with a high near 78. West wind 3 to 7 mph. Chance of precipitation is 20%.
Night: A slight chance of showers and thunderstorms before 5am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 53. Southwest wind around 7 mph. Chance of precipitation is 40%.
Day: Showers and thunderstorms likely before 5pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 74. Southwest wind 5 to 8 mph. Chance of precipitation is 70%.
Night: A chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 51. Southwest wind around 6 mph. Chance of precipitation is 30%.
Day: A slight chance of showers and thunderstorms after 11am. Sunny, with a high near 77. Southwest wind around 7 mph. Chance of precipitation is 20%.
Night: A slight chance of showers and thunderstorms before 11pm. Mostly clear, with a low around 52. West wind around 6 mph. Chance of precipitation is 20%.
Day: A slight chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 79. West wind 5 to 9 mph. Chance of precipitation is 20%.
Night: A slight chance of showers and thunderstorms before 11pm. Mostly clear, with a low around 53. West wind 3 to 9 mph.
Day: A slight chance of showers and thunderstorms between 11am and 5pm. Mostly sunny, with a high near 79. Northwest wind 3 to 8 mph. Chance of precipitation is 20%.
Mon's High Temperature
110 at Death Valley, CA
Mon's Low Temperature
24 at 14 Miles West-southwest Of Mackay, ID