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 63. West wind 1 to 6 mph.
Night: Mostly clear, with a low around 39. North wind around 6 mph.
Day: Sunny, with a high near 65. West wind 3 to 7 mph.
Night: Mostly clear, with a low around 39. Northwest wind around 6 mph.
Day: Sunny, with a high near 64. Northwest wind 5 to 10 mph, with gusts as high as 21 mph.
Night: Mostly clear, with a low around 38. North northwest wind 6 to 9 mph.
Day: Sunny, with a high near 65.
Night: Mostly clear, with a low around 41.
Day: A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 62.
Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 39.
Day: A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 59.
Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 39.
Day: A slight chance of rain showers before noon, then a chance of showers and thunderstorms. Mostly sunny, with a high near 59.
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