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 84. East southeast wind around 6 mph.
Night: Mostly clear. Low around 48, with temperatures rising to around 52 overnight. Southeast wind 2 to 6 mph.
Day: Sunny, with a high near 83. West wind 2 to 8 mph.
Night: Mostly clear, with a low around 44. North northwest wind around 8 mph.
Day: Sunny, with a high near 74.
Night: Mostly clear, with a low around 44.
Day: Sunny, with a high near 84.
Night: Partly cloudy, with a low around 50.
Day: Mostly sunny, with a high near 79.
Night: A slight chance of rain showers after 5am. Mostly cloudy, with a low around 50. Chance of precipitation is 20%.
Day: A chance of rain showers. Mostly cloudy, with a high near 70. Chance of precipitation is 30%.
Night: A chance of rain showers. Mostly cloudy, with a low around 44. Chance of precipitation is 30%.
Day: A chance of rain showers. Mostly cloudy, with a high near 66.
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