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: Patchy fog after 4am. Mostly cloudy, with a low around 58. North wind around 5 mph.
Day: Patchy fog before 9am, then a slight chance of rain showers between 2pm and 5pm. Mostly cloudy, with a high near 73. Northwest wind 5 to 10 mph. Chance of precipitation is 20%.
Night: Mostly clear, with a low around 52. Northwest wind 0 to 10 mph.
Day: Sunny, with a high near 76. West wind 0 to 5 mph.
Night: Mostly clear, with a low around 54. Northeast wind 0 to 5 mph.
Day: Sunny, with a high near 80.
Night: Mostly clear, with a low around 54.
Day: Sunny, with a high near 82.
Night: Mostly clear, with a low around 56.
Day: Sunny, with a high near 82.
Night: Mostly clear, with a low around 56.
Day: Sunny, with a high near 79.
Night: Partly cloudy, with a low around 55.
Day: Mostly sunny, with a high near 76.
Wed's High Temperature
110 at 4 Miles South Of Tolleson, AZ
Wed's Low Temperature
19 at 14 Miles West-southwest Of Mackay, ID