6/1
1980: A man from Falmouth ME, who had been blind since a 1971 truck accident, was struck by lightning & regained his eyesight.   
6/2
1986 (2nd-4th): A tropical disturbance brought flooding rains across parts of the Greater Antilles.  240,000 people lost their homes.
6/3
1968: For the first time in June since 1892, not a single clear day was observed in Sault Ste. Marie, Michigan for the month.
6/4
1920: A hard surface road through nearly level country in Boggs Flat, Colorado was washed out to a depth of 7' after 14" rain.
6/5
1917: Disk-shaped hailstones 6" to 10" in diameter and 2" to 3" thick were reported to have fallen near Topeka, Kansas.
6/6
1975: A tornado sighted near Alva, Oklahoma was reported to have been spinning backwards (clockwise).    
6/7
1989: A DC-8 crashed into the jungle attempting to land in a thick fog shrouding the Paramaribo (Suriname) airport.
6/8
1953: Michigan's worst tornado killed 116 people, the last US tornado that killed more than 100 people. Flint was hardest hit. 
6/9
1987: Lightning striking "Tire Mountain" near Denver CO destroyed two million tires out of a huge pile of six million tires.   
6/10  
1969: Hail damaged about 80% of the homes and businesses (5600 structures) in Plainview, Texas.
6/11
1984: A 160 mph downburst mph blew a home near Rowena SD totally off its foundation and scattered debris for several miles.
6/12
1947 (11th-12th): A record late snow blanketed much of WY, with over 18.4" at Lander, 8.7" at Cheyenne, and 4.5" at Casper. 
6/13
1984: Snowplows had to clean up softball size hail in Denver that smashed windshields and ripped through metal cars.  
6/14
1903: A cloudburst over Willow Creek led to a 20' wall of water which swept away 1/3 of the buildings in Heppner, Oregon.
6/15
1988: A man in Denver survived a tornado by clinging to a phone pole. He lost, however, both shoes, a sock and shirt buttons.
6/16
1944: A tornado in Sioux City, Iowa spun in one place for 20 min, then traveled southeast, south, east, north, and east again.    
6/17
1859: Hot Santa Ana winds at Santa Barbara, California roasted fruit on one side as they hung from trees.  
6/18
1958: Hail 4" in diameter killed livestock in Carbon County, Montana as a storm traveled from Joliet to Belfry.    
6/19
1972: Hurricane Agnes hit the US, eventually causing over $3 billion damage.
6/20
1928: A farmer in KS looked up a tornado's eye & observed: "rotating clouds...a strong gassy odor with a screaming, hissing sound".   
6/21
1791: A huge hurricane wave carried off the coffin of a hated count as he lay in state in Havana, never to be seen again.
6/22
1989: 2 days after their record high of 102 degrees, Rapid City, South Dakota reported a record low of 39 degrees.
6/23
1969: In Red Boiling Springs, Tennessee, a wall of water rising to 7' tumbled, swirled and crushed houses, vehicles, and street pavement.
6/24
1952: Hail with a 10" circumference fell in a swath 60 miles long and 3.5 miles wide in SD, killing poultry and livestock. 
6/25
1988: Today's high of 100 degrees broke Erie, Pennsylvania's previous all-time record of 99 degrees (9/3/53).
6/26
1977: Park ranger Roy C. Sullivan, "The Human Lightning Conductor," survived being struck by lightning for the 7th time.  
6/27
1957: After tossing a 78-ton boat onto an offshore drilling platform, Hurricane Audrey hit the US shore at Cameron, LA. 
6/28
1975: Lee Trevino and two other golfers were struck by lightning in Oak Brook, Illinois at the Western Open golf tournament.
6/29
1954: Hurricane Alice dumped as much as 27" on Texas, leaving the roadway of the US 90 bridge 30' below the high water.  
6/30
1972: The entire state of Pennsylvania was declared a disaster area from Hurricane Agnes' flooding.