...1816... The cold weather of early June finally gave way to several days of 90 degree heat in Massachusetts, including a reading of 99 degrees at Salem.
...1924... Six men at a rock quarry south of Winston-Salem NC sought shelter from a thunderstorm. The structure chosen contained a quantity of dynamite. Lightning struck a near-by tree causing the dynamite to explode. The men were killed instantly.
...1951... Twelve inches of hail broke windows and roofs, and dented automobiles, causing more than fourteen million dollars damage. The storm plowed 200 miles from Kingmand County KS into Missouri, with the Wichita area hardest hit. It was the most disastrous hailstorm of record for the state of Kansas.
...1952... Thunderstorms produced a swath of hail 60 miles long and 3.5 miles wide through parts of Hand, Beadle, Kingsbury, Miner and Jerauld counties in South Dakota. Poultry and livestock were killed, and many persons were injured. Hail ten inches in circumference was reported at Huron SD.
...1972... Rainier Park Ranger Station in Washington state had 4.4 inches of snow on this day. This turned out to be the last snowfall for the 1971-72 season and brought the seasonal total to 1122 inches -- a new single season snowfall record for the U.S. (until 1999).
...1975... A fairly innocuous looking thunderstorm at JFK airport in New York City produced a microburst that caused Eastern Airline 66 to crash 2400 feet short of the runway. 112 people were killed. The control tower, only 1.2 miles away, was never affected by the microburst as the outflow was held back by a sustained sea breeze front.
...1987... Thunderstorms spawned six tornadoes in eastern Colorado. Baseball size hail was reported near Yoder CO, and thunderstorm winds gusting to 92 mph derailed a train near Pratt KS. The town of Gould OK was soaked with nearly an inch and a half of rain in just ten minutes.
...1988... Forty-three cities reported record high temperatures for the date. Valentine NE reported an all-time record high of 110 degrees, and highs of 102 degrees at Casper WY, 103 degrees at Reno NV, and 106 degrees at Winnemucca NV were records for the month of June. Highs of 98 degrees at Logan UT and 109 degrees at Rapid City SD equaled June records. Lightning killed twenty-one cows near Conway SC.
...1989... Thunderstorms developing along a warm front produced severe weather from Colorado and New Mexico to Kansas and Nebraska. Thunderstorms spawned seven tornadoes, and produced wind gusts to 80 mph at Wood River NE, and hail three inches in diameter at Wheeler KS. (The National Weather Summary) (Storm Data)