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central South Dakota. Some vehicles and buildings were damaged and windows broken with baseball hail northwest of Presho.

1985: A severe thunderstorm developed over Barnard in Brown County during the mid afternoon hours. This severe thunderstorm continued to intensify as it tracked southward toward Westport. Hail up to the size of softballs was reported in near Westport. Quarter to golf ball size hail fell in parts of Aberdeen and baseball size hail fell at the National Weather Service office causing damage to several vehicles. The rear window was broken out of one of the vehicles. This thunderstorm tracked Southeastward toward Clark County were it produced quarter to baseball size hail along with wind gusts over 70 mph. The large hail and winds caused extensive damage to homes, outbuildings, vehicles, and thousands of acres of crops. Many trees and gardens were also damaged or destroyed. Additional damage was also observed in Hamlin County.

1934: One of the worst heat waves in the nation's history began. During the last two weeks of July, extreme heat claimed 679 lives in Michigan, with 300 of them in Detroit alone.

1972: South America's coldest temperature, -38 degrees, was attained at San Juan, Argentina.

1995: 739 people in Chicago died in a record heat wave that lasted for 6 days, ending today. 141 people in nearby southeast Wisconsin succumbed to the heat as well.

2001: Lightning struck a Minnesota National Guard field training site located in Camp Ripley. Nearly two dozen Marine Corps reservists were sent to hospitals. Most were released after treatment.