This Day in National/World Weather History ...
 21 September 1588 → After an unsuccessful battle with the English fleet, the Spanish Armada encountered strong storms and high winds off the coast of Ireland on its way back to Spain. 26 ships are believed to have been lost. The remaining ships limped back to Spain defeated and demoralized, ending the reign of the once unbeatable Spanish Armada.
 21 September 1894 → A huge tornado outbreak swept from Iowa through Minnesota to Wisconsin, with an unusual number of extremely violent tornadoes. The tornado that rampaged through Kossuth County, MN, was likely an F5 as homes and farms were wiped clean from the earth.
 21 September 1909 → A category 3 hurricane crossed the Gulf of Mexico and came ashore in southern Louisiana. The storm inflicted 120 mph winds on southeast Louisiana and took its storm surge 2 miles inland. There were about 371 fatalities despite the Weather Bureau having issued its first warnings for the storm three days earlier.
 21 September 1938 → The New England Hurricane was one of the most destructive and powerful storms ever to strike southern New England. The storm roared ashore over Long Island, NY at nearly 60 mph at the time of high tide. This created a deadly tidal surge, which submerged downtown Providence, RI under 20 feet of water. Hurricane force winds were felt throughout New England, with a gust to 186 mph at the Blue Hill Observatory in Milton, MA. The Great New England Hurricane of 1938 was responsible for over 500 deaths.

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December 22, 1988:

Moderate to heavy snow occurred across northeastern South Dakota on the 22nd. Some of the larger amounts measured were 7 inches at Columbia, 6.5 inches at Aberdeen, and 5 inches at Faulkton and Britton.

December 22, 1990:

Strong northwest winds, combined with air temperatures below zero, created wind chills from -40 to -65 degrees F over west central Minnesota early in the day on the 22nd. Air temperatures were generally in the -20 to -25 F range, with afternoon highs around 15 below zero.

December 22, 1993:

Strong northwest winds gusted to 35 miles per hour and caused near-whiteout conditions over a wide area of southwest and west central Minnesota during the late afternoon on the 21st into the early morning of the 22nd. Several car accidents ensued. A 30-year old man was killed when he lost control of his truck and slid into a ditch in the near-blizzard conditions.

Record Highs: Record Lows:
Aberdeen: 59 (1893) Aberdeen: -28 (1990)
Kennebec: 63 (1982) Kennebec: -29 (1989)
Mobridge: 59 (1954) Mobridge: -30 (1989)
Pierre: 59 (1936) Pierre: -25 (1989)
Sisseton: 52 (1986) Sisseton: -22 (2008)
Timber Lake: 56 (1954) Timber Lake: -34 (1989)
Watertown: 47 (1957) Watertown: -29 (1916)
Wheaton: 51 (1986) Wheaton: -25 (1916)

Record Precipitation: Record Snowfall:
Aberdeen: 0.38" (1988) Aberdeen: 6.5" (1988)
Kennebec: 0.60" (1968) Kennebec: 7.0" (1996)
Mobridge: 0.30" (1916) Mobridge: 4.6" (1969)
Pierre: 0.37" (1988) Pierre: 4.0" (1945)
Sisseton: 0.71" (1968) Sisseton: 9.5" (1969)
Timber Lake: 0.26" (1969) Timber Lake: 3.0" (1969)
Watertown: 0.65" (1968) Watertown: 6.0" (1968)
Wheaton: 0.55" (1968) Wheaton: 5.0" (1968) is the U.S. government's official web portal to all federal, state and local government web resources and services.