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: Mostly sunny, with a high near 76. South wind around 0 mph.
Night: Areas of fog after 1am. Mostly clear, with a low around 54. South southeast wind 0 to 5 mph.
Day: Patchy fog before 8am. Sunny. High near 82, with temperatures falling to around 78 in the afternoon. Southwest wind 0 to 10 mph.
Night: Clear, with a low around 52. North northeast wind around 5 mph.
Day: Patchy fog before 8am. Sunny. High near 81, with temperatures falling to around 78 in the afternoon. Southeast wind 5 to 10 mph.
Night: Mostly clear. Low around 55, with temperatures rising to around 58 overnight. Southwest wind around 10 mph.
Day: Sunny, with a high near 73. Northwest wind 5 to 10 mph.
Night: Clear, with a low around 50. West southwest wind around 5 mph.
Day: Sunny. High near 80, with temperatures falling to around 77 in the afternoon. South southeast wind 5 to 10 mph.
Night: Partly cloudy, with a low around 61. Southeast wind around 10 mph.
Day: Mostly sunny, with a high near 82. South southeast wind 10 to 15 mph.
Night: Partly cloudy, with a low around 63. Southeast wind around 10 mph.
Day: Mostly sunny, with a high near 82. South southeast wind 10 to 15 mph.
Night: Partly cloudy, with a low around 63. South southeast wind 10 to 15 mph.
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