This Day in National/World Weather History ...
21 May 1857 → In Baghdad, Iraq a dust storm lasted the entire day. Then at about 5 pm, a darkness set in, deeper than the darkest night, and terrorized local residents.
21 May 1918 → An F5 tornado swept foundations bare along a 37 mile path from Carroll County to Webster County, IA. Mattresses were found two miles away, and 4 people were killed.
21 May 1950 → A tornado was on the ground for 66 miles from Buckinghamshire to Cambridgeshire, resulting in the longest track of any English tornado.

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May 23, 1989:

A complex of thunderstorms moved from southwest Minnesota through Iowa. One small tornado touched down briefly in Lyon County. But the main story with this complex was high winds and hail. Baseball size hail fell just north of George in Lyon County. In addition, two inch hail occurred in Sac County in Schaller and Odebolt and golf ball size hail fell in Caroll, Iowa. Needless to say, the hail caused a lot of damage to vehicles, trees and roofs. Thunderstorm winds of 60 miles an hour were also common across all of northwest Iowa with these storms.


Record Highs: Record Lows:
Aberdeen: 94 (1950) Aberdeen: 26 (1897)
Kennebec: 105 (1926) Kennebec: 25 (1908)
Mobridge: 95 (1928) Mobridge: 28 (2002)
Pierre: 90 (1984) Pierre: 33 (1992)
Sisseton: 89 (2006) Sisseton: 30 (2002)
Timber Lake: 95 (1928) Timber Lake: 30 (1941)
Watertown: 92 (1950) Watertown: 30 (1917)
Wheaton: 93 (1964) Wheaton: 31 (1924)

Record Precipitation:
Aberdeen: 1.04" (1936)
Kennebec: 1.84" (1939)
Mobridge: 1.63" (1971)
Pierre: 1.54" (1914)
Sisseton: 1.83" (1962)
Timber Lake: 0.85" (1982)
Watertown: 1.75" (1965)
Wheaton: 1.34" (1965)

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