1943: Snow fell across much of central and north central South Dakota on this date in 1943. Snowfall amounts of 2 to 7 inches occurred. Snowfall amounts included, 2 inches at Timber Lake, 4 inches at Murdo, 5 inches at Mobridge, and 7 inches at Kennebec and Pierre.

1950: Much above normal temperatures occurred across the entire area of central and northeast South Dakota as well as west central Minnesota. Record highs were mostly in the 80s across the area. The records were 78 degrees at Sisseton, 80 degrees at Wheaton, 85 degrees at Watertown and Aberdeen, 86 degrees at Mobridge, 88 degrees at Pierre, and a hot 91 degrees at Kennebec.

1947: The Donora, PA smog disaster finally came to an end. For five days pollution from industry in the area was trapped in the lower atmosphere over the Monongahela Valley, killing 20 people and making 2000 people sick.

2004: University of Hawaii students visiting the library had to escape through a window due to surging flood waters.

2011: An unusually severe early season winter storm swept up the Appalachians into New England. Over a foot of snow fell from West Virginia to Maine, with more than two feet in the mountains of Massachusetts and New Hampshire. Winds over 50 mph were reported on Nantucket Island and Martha's Vineyard.