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: Sunny, with a high near 99. Heat index values as high as 111. South southeast wind 6 to 10 mph.
Night: A slight chance of rain showers after 5am. Mostly clear, with a low around 78. Heat index values as high as 106. Southeast wind 5 to 10 mph. Chance of precipitation is 20%.
Day: A chance of rain showers between 7am and 10am, then showers and thunderstorms. Partly sunny. High near 93, with temperatures falling to around 88 in the afternoon. East northeast wind 3 to 7 mph. Chance of precipitation is 90%.
Night: Showers and thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 4am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 76. East northeast wind 2 to 7 mph. Chance of precipitation is 90%.
Day: A chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 93. Northeast wind 3 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 8 mph. Chance of precipitation is 40%.
Day: A slight chance of rain showers after 1pm. Mostly sunny, with a high near 94. East wind 3 to 9 mph. Chance of precipitation is 20%.
Night: A slight chance of rain showers. Partly cloudy, with a low around 72. East wind 2 to 9 mph. Chance of precipitation is 20%.
Day: A chance of rain showers. Mostly sunny, with a high near 93. Northeast wind 2 to 9 mph. Chance of precipitation is 30%.
Night: A chance of rain showers. Partly cloudy, with a low around 74. East northeast wind 2 to 9 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 92. Northeast wind 3 to 8 mph. Chance of precipitation is 30%.
Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 74. 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 94. Chance of precipitation is 30%.
Night: A chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 74.
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