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 90, with temperatures falling to around 85 in the afternoon. Heat index values as high as 102. East wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 76. Northeast wind 2 to 6 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
Day: Showers and thunderstorms likely between 8am and 5pm, then showers and thunderstorms likely. Mostly sunny. High near 90, with temperatures falling to around 85 in the afternoon. Heat index values as high as 100. East wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Night: Showers and thunderstorms likely before 8pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 75. Southeast wind 1 to 5 mph. Chance of precipitation is 60%.
Day: A slight chance of rain showers before 8am, then a chance of showers and thunderstorms between 8am and 11am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 90. South wind 1 to 5 mph. Chance of precipitation is 50%.
Night: A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 75. South wind 1 to 5 mph. Chance of precipitation is 50%.
Day: A chance of showers and thunderstorms after 2pm. Sunny, with a high near 91. North wind 2 to 6 mph. Chance of precipitation is 40%.
Night: A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 76. Northeast wind around 5 mph. Chance of precipitation is 40%.
Day: A chance of showers and thunderstorms after 8am. Sunny, with a high near 90. North wind 3 to 9 mph. Chance of precipitation is 50%.
Night: A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 75. Chance of precipitation is 50%.
Day: A chance of showers and thunderstorms after 8am. Sunny, with a high near 90. Chance of precipitation is 40%.
Night: A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 75. Chance of precipitation is 40%.
Day: A chance of showers and thunderstorms after 8am. Sunny, with a high near 90. Chance of precipitation is 40%.
Night: A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 75.
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