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: Showers and thunderstorms likely. Partly sunny. High near 92, with temperatures falling to around 85 in the afternoon. South wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
Night: Showers and thunderstorms likely before 7pm, then a chance of showers and thunderstorms between 7pm and 4am, then showers and thunderstorms likely. Mostly cloudy, with a low around 72. Southwest wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Day: Showers and thunderstorms before 4pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 84. Southwest wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Night: Showers and thunderstorms likely before 10pm, then a chance of showers and thunderstorms between 10pm and 1am. Mostly cloudy, with a low around 67. West wind around 5 mph. Chance of precipitation is 70%.
Day: A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87. North wind 5 to 10 mph. Chance of precipitation is 20%.
Night: A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 64. North wind around 5 mph. Chance of precipitation is 20%.
Day: Sunny, with a high near 89. North wind 5 to 10 mph.
Night: Mostly clear, with a low around 63. North wind around 5 mph.
Day: Sunny, with a high near 90. North wind around 5 mph.
Night: Mostly clear, with a low around 65.
Day: Sunny, with a high near 90.
Night: Mostly clear, with a low around 65.
Day: Mostly sunny, with a high near 91.
Night: Partly cloudy, with a low around 66.
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