This Day in National/World Weather History ...
 21 December 1944 → The Battle of the Bulge lasted from December 16, 1944 to January 25, 1945. By this time Germany was clearly losing World War II and Hitler was hoping to regain advantage if the attack would occur in bad weather to prevent the Allied Air Forces from being effective. As the Americans occupied the strategic position of Bastogne, the German army surrounded the city. However because of bad weather, planes were unable to fly and provide supplies by air drop to the American Forces. On December 29 the weather finally cleared up and much needed supplies were received. The Americans then launched a counteroffensive, but soldiers had to fight the cold and snow as well.
 21 December 1967 → The City Hall and a large portion of the business district of Potosi, MO was destroyed by an F4 tornado. There were 52 injuries and 3 deaths.

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September 24, 1986:

Thunderstorm high winds along with several tornados brought damage to parts of western and central South Dakota from the late evening in the morning hours of the 25th. Winds were estimated up to 80 mph. Many trees and power poles were downed along with damage to many buildings. The tornadoes occurred near Newell, east of Cedar Butte, west of Murdo, 20 miles northwest of Pierre, and northwest of Ridgeview in Dewey County.

September 24, 1992:

South winds gusting to 50 to 55 mph across northeast South Dakota during the day toppled several trees and light poles. In Aberdeen, a front window was blown out of a store.

Record Highs: Record Lows:
Aberdeen: 90 (1935) Aberdeen: 23 (2000)
Kennebec: 94 (1935) Kennebec: 19 (1893)
Mobridge: 93 (1992) Mobridge: 24 (1942)
Pierre: 92 (1990) Pierre: 25 (2000)
Sisseton: 96 (1935) Sisseton: 26 (2002)
Timber Lake: 91 (1992) Timber Lake: 22 (1942)
Watertown: 91 (1935) Watertown: 24 (1942)
Wheaton: 90 (2007) Wheaton: 28 (1931)

Record Precipitation:
Aberdeen: 1.15" (1934)
Kennebec: 0.90" (1931) Kennebec: 2.0" (1912)
Mobridge: 0.58" (1986)
Pierre: 0.85" (1973)
Sisseton: 1.40" (1934)
Timber Lake: 1.75" (1915)
Watertown: 2.93" (1934)
Wheaton: 1.00" (1934) is the U.S. government's official web portal to all federal, state and local government web resources and services.