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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January 25, 1978:

Light to moderate snowfall driven by strong winds brought blizzard conditions to much of South Dakota for the 25th to the 26th. Blowing and drifting snow from 40 mph winds blocked many roads throughout South Dakota stranding many motorists.

January 25, 2010:

A large upper level low pressure area combined with a cold surface high pressure area building in from the north brought light snow and very strong winds creating widespread blizzard conditions across north central and northeast South Dakota. Snowfall amounts of 1 to 4 inches combined with north winds of 25 to 40 mph gusting up to 55 mph created frequent whiteout conditions across the area. Travel was significantly affected or halted and several schools were closed. Interstate-29 was closed from the North Dakota border and south on the 25th until the morning of the 26th. The blizzard hampered efforts to restore power to the thousands of customers from the previous winter storm. The snowfall began in the morning hours from 6 to 10 am and ended around the time the blizzard conditions subsided.

Record Highs: Record Lows:
Aberdeen: 54 (1942) Aberdeen: -33 (1904)
Kennebec: 63 (2002) Kennebec: -27 (1929)
Mobridge: 57 (2002) Mobridge: -36 (1929)
Pierre: 58 (2002) Pierre: -22 (1950)
Sisseton: 56 (1981) Sisseton: -30 (1904)
Timber Lake: 56 (2007) Timber Lake: -32 (1929)
Watertown: 50 (1944) Watertown: -33 (1904)
Wheaton: 51 (2002) Wheaton: -25 (1920)

Record Precipitation: Record Snowfall:
Aberdeen: 0.40" (1925) Aberdeen: 4.0" (1925)
Kennebec: 0.30" (1918) Kennebec: 8.0" (1996)
Mobridge: 0.40" (1913) Mobridge: 3.4" (1954)
Pierre: 0.20" (1925) Pierre: 1.6" (1978)
Sisseton: 0.25" (2004) Sisseton: 4.0" (1971)
Timber Lake: 0.27" (1954) Timber Lake: 3.0" (1954)
Watertown: 0.25" (1925) Watertown: 10.0" (1925)
Wheaton: 0.15" (1998) Wheaton: 3.0" (1956) is the U.S. government's official web portal to all federal, state and local government web resources and services.