1926 - The temperature at Yellowstone Park dipped to nine degrees below zero. It was the coldest reading of record in the U.S. during September. Severe freezes were widespread over the northwestern U.S. causing great crop destruction. In Washington State, Spokane County experienced their earliest snow of record. Harney Branch Experiment Station in Oregon reported a temperature of 2 degrees above zero to establish a state record for the month of September.
More on this and other weather history
Day: A slight chance of showers and thunderstorms between 1pm and 5pm. Mostly sunny. High near 91, with temperatures falling to around 87 in the afternoon. Southwest wind 0 to 10 mph. Chance of precipitation is 20%.
Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 74. Southwest wind 5 to 10 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Day: A chance of showers and thunderstorms before 7am, then showers and thunderstorms. Partly sunny. High near 87, with temperatures falling to around 81 in the afternoon. Southwest wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Night: Showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 69. West wind 0 to 5 mph. Chance of precipitation is 90%.
Day: A chance of showers and thunderstorms. Mostly sunny, with a high near 87. Northwest wind around 5 mph. Chance of precipitation is 40%.
Night: A chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 65. Northwest wind 0 to 5 mph. Chance of precipitation is 30%.
Day: Sunny, with a high near 89. North wind around 5 mph.
Night: Mostly clear, with a low around 64. Northwest wind around 5 mph.
Day: Sunny, with a high near 90. North wind around 5 mph.
Night: Mostly clear, with a low around 64. Northwest wind 0 to 5 mph.
Day: Sunny, with a high near 90. East wind around 5 mph.
Night: Mostly clear, with a low around 66. Northwest wind 0 to 5 mph.
Day: Sunny, with a high near 90. East wind 0 to 5 mph.
Night: Mostly clear, with a low around 66. Northwest wind 0 to 5 mph.
Tue's High Temperature
108 at 16 Miles Southwest Of Tecopa, CA and Death Valley, CA
Tue's Low Temperature
15 at 14 Miles West-southwest Of Mackay, ID