What Is the Record For the Most Abrupt Temperature Change In the United States?

The record for the most abrupt temperature change in the United States is held by Spearfish, South Dakota, where it took just 2 minutes to warm up from -4° to 45° Fahrenheit on August 29, 1936.

The U.S. location holding the record for the greatest range of temperatures over a 24-hour period is Browning, Montana, where the mercury went from a low of -56° to a high of 44° Fahrenheit on January 23-24, 1916.