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.

This Day in Weather History Archive

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August 7, 1968:

From 9 miles north of Isabel, hail up to 1.75 inches in diameter was observed with a severe thunderstorm. This storm continued moving in a southeast direction, causing extensive damage to crops, trees, utility lines and structures. A radio tower was blown over near Huron. Wind gusts of 115 mph were reported at Huron. A woman was blown from a roof in Huron and was critically injured.

August 7, 1985:

Thunderstorms produced heavy rainfall of 1.34 inches in thirty minutes at Faulkton, causing minor street flooding and water damage to some buildings. Hail fell on three separate occasions, causing damage to crops. Streets in Faulkton became white, with hail remaining on the ground for hours.

August 7, 2009:

A supercell thunderstorm developed across the northern Black Hills and moved eastward across the Sturgis area, southern Meade County, northeastern Pennington County, Haakon County, and northeastern Jackson County. The storm produced baseball sized near Sturgis, then strong winds and hail larger than baseball sized developed as the storm moved across the plains. The storm hit Sturgis during the annual motorcycle rally and caused extensive damage to motorcycles, vehicles, and property. Minor injuries from the hail were also reported.

August 7, 2010:

An EF4 tornado touched down south of Tyler in Richland County North Dakota and tracked to the east for roughly 2.5 miles before crossing the Bois de Sioux River into Wilkin County, Minnesota. In Wilkin County, the tornado continued for another 2.5 miles and lifted about 650 pm CDT. The total track length was about 5 miles and peak winds were estimated at 175 mph.


Record Highs: Record Lows:
Aberdeen: 102 (1949) Aberdeen: 42 (1921)
Kennebec: 111 (1935) Kennebec: 41 (1989)
Mobridge: 104 (1949) Mobridge: 49 (1945)
Pierre: 105 (2005) Pierre: 45 (1989)
Sisseton: 102 (1983) Sisseton: 43 (1904)
Timber Lake: 107 (1949) Timber Lake: 45 (1989)
Watertown: 100 (1983) Watertown: 38 (1904)
Wheaton: 101 (1983) Wheaton: 42 (1921)

Record Precipitation:
Aberdeen: 2.40" (1930)
Kennebec: 2.80" (1909)
Mobridge: 0.85" (1931)
Pierre: 1.41" (1970)
Sisseton: 2.97" (2009)
Timber Lake: 1.30" (1968)
Watertown: 2.15" (1909)
Wheaton: 1.63" (1931)


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