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 rain showers before 5pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 70. Northeast wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Night: A chance of showers and thunderstorms before 2am, then patchy fog and a slight chance of rain showers. Mostly cloudy. Low around 53, with temperatures rising to around 55 overnight. Northeast wind 0 to 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Day: Patchy fog and a slight chance of rain showers before 2pm. Mostly cloudy, with a high near 69. Northwest wind 0 to 5 mph. Chance of precipitation is 20%.
Night: Mostly clear, with a low around 49. West wind around 5 mph.
Day: Mostly sunny, with a high near 74. West wind 5 to 10 mph.
Night: Partly cloudy, with a low around 51.
Day: Mostly sunny, with a high near 77.
Night: Mostly clear, with a low around 46.
Day: Sunny, with a high near 75.
Night: Mostly clear, with a low around 48.
Day: Mostly sunny, with a high near 78.
Night: Partly cloudy, with a low around 49.
Day: Mostly sunny, with a high near 74.
Night: Partly cloudy, with a low around 49.
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