1960: Heavy snow of 4 to 10 inches fell in the eastern half of South Dakota. Some highways were closed mainly due to the difficulty of plowing the heavy, wet snow. Power and phone failures of short duration were caused by the snowfall in the Aberdeen area, which received 7.5 inches, setting the record for April 1st. Snowfall with high water content aggravated floods that were currently in progress on the James, Vermillion and Big Sioux Rivers.

1845: The first public telegraph line went into service. It was customary among the telegraph operators to advise each other of local weather conditions and even to predict the movement of weather changes.

1884: Of the 30 houses in Oakville, IN, only 3 were left standing after an F5 (estimated) tornado leveled the town. Meteorologists at the time felt it was one of the most intense tornadoes ever recorded. Pieces of obliterated farms were found four miles away. Eight people were killed, mostly children.

1960: TIROS I, the very first weather satellite, was launched from Cape Canaveral.

1987: A tornado touched down briefly during a snow squall on the south shore of White Fish Bay on Lake Superior. A mobile home had its roof ripped off and insulation sucked from the walls.