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
Night: Mostly clear, with a low around 62. North northeast wind 7 to 10 mph.
Day: Sunny, with a high near 77. Northeast wind 6 to 10 mph.
Night: A chance of rain showers after 11pm. Partly cloudy, with a low around 62. West southwest wind around 7 mph. Chance of precipitation is 30%.
Day: A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 73. East northeast wind around 7 mph. Chance of precipitation is 30%.
Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 59. West northwest wind 7 to 10 mph. Chance of precipitation is 30%.
Day: A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 74. Chance of precipitation is 30%.
Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 60.
Day: A slight chance of rain showers before 11am, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 73.
Night: A slight chance of showers and thunderstorms before 11pm. Mostly clear, with a low around 59.
Day: A slight chance of showers and thunderstorms between 11am and 5pm. Sunny, with a high near 73.
Night: Partly cloudy, with a low around 59.
Day: Mostly sunny, with a high near 74.
Night: Mostly clear, with a low around 60.
Day: Sunny, with a high near 73.
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