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 2pm and 4pm. Sunny, with a high near 96. Heat index values as high as 107. South southeast wind 6 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Night: A slight chance of showers and thunderstorms. Mostly clear, with a low around 76. South southeast wind 3 to 13 mph. Chance of precipitation is 20%.
Day: Rain showers likely between 7am and 10am, then showers and thunderstorms. Partly sunny. High near 92, with temperatures falling to around 86 in the afternoon. Northeast wind 3 to 8 mph. Chance of precipitation is 90%.
Night: Showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 74. East southeast wind 2 to 8 mph. Chance of precipitation is 90%.
Day: A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 10am, then a chance of showers and thunderstorms. Mostly sunny. High near 91, with temperatures falling to around 87 in the afternoon. Northeast wind 5 to 9 mph. Chance of precipitation is 50%.
Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 72. East southeast wind 2 to 9 mph. Chance of precipitation is 40%.
Day: A chance of rain showers. Mostly sunny, with a high near 92. East northeast wind 3 to 10 mph. Chance of precipitation is 30%.
Night: A chance of rain showers. Partly cloudy, with a low around 71. East northeast wind 3 to 10 mph. Chance of precipitation is 30%.
Day: A slight chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 90. Northeast wind 5 to 10 mph. Chance of precipitation is 30%.
Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 72. East northeast wind 3 to 10 mph. Chance of precipitation is 30%.
Day: A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 40%.
Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 72. 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 91.
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