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 after 5pm. Sunny, with a high near 88. East wind 6 to 10 mph.
Night: A slight chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 64. East wind 6 to 10 mph.
Day: A chance of showers and thunderstorms between 11am and 2pm, then showers and thunderstorms likely. Mostly sunny. High near 86, with temperatures falling to around 77 in the afternoon. South southeast wind 7 to 10 mph. Chance of precipitation is 70%.
Night: Showers and thunderstorms likely before 8pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 61. South southeast wind around 10 mph. Chance of precipitation is 70%.
Day: A chance of rain showers before 8am, then showers and thunderstorms. Mostly cloudy, with a high near 76. South wind around 12 mph. Chance of precipitation is 80%.
Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 59. Chance of precipitation is 70%.
Day: Showers and thunderstorms likely before 5pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 75. Chance of precipitation is 70%.
Night: A chance of showers and thunderstorms before 11pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 57. Chance of precipitation is 50%.
Day: A chance of showers and thunderstorms before 11am, then a chance of showers and thunderstorms. Partly sunny, with a high near 75. Chance of precipitation is 40%.
Night: A slight chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 56. Chance of precipitation is 20%.
Day: A slight chance of showers and thunderstorms between 11am and 5pm. Mostly sunny, with a high near 78.
Night: Mostly clear, with a low around 57.
Day: Sunny, with a high near 81.
Night: Mostly clear, with a low around 58.
Tue's High Temperature
108 at 16 Miles Southwest Of Tecopa, CA and Death Valley, CA
Wed's Low Temperature
19 at 14 Miles West-southwest Of Mackay, ID