This Day in National/World Weather History ...
 20 September 1845 → The "Great Adirondack Tornado," really a family of up to 4 tornadoes, traversed an incredible 275 miles, tearing down many thousands of trees across northern New York and northern Vermont. The damage path from the tornadoes and associated downburst winds was up to a mile and a half wide. Hailstones were as big as hens' eggs.
 20 September 1987 → A vivid rainbow was seen at Fort Simpson, in the Northwest Territories of Canada, during a visit by Pope John Paul II.

This Day in Weather History Archive

On This Day In

                   Weather History...

June 1, 1990:

A small F0 tornado blew over two mobile homes on the north side of Groton. Numerous trees were either blown down or lost limbs. Also strong winds of 65 mph occurred 5 miles south and 1 mile east of Mellette.

June 1, 2008:

Severe thunderstorms developed along the eastern slopes of the Black Hills and dropped large hail and heavy rain over eastern Custer and Shannon Counties. Softball sized hail was reported south of Hermosa.

June 1, 2011:

High water levels coming into June along with above normal June rainfall kept water levels up on Blue Dog, Bitter, Rush, and Waubay Lakes in Day County throughout the month. The high lake levels continued to cause extensive road and property damage. Many families remained away from their homes and cabins. Also, hundreds of acres of farmland remained flooded along with many roads. Road and property damage would be in the several millions of dollars. The high lake levels and flooding would continue for the next several months. In Hamlin County, Lake Poinsett, including several other lakes, continued to flood and damage several homes along with several county and township roads. High lake levels and flooding would continue for the next several months.

June 1, 2012:

A few severe thunderstorms developed over northeastern South Dakota. Quarter size hail was reported in Brown, Marshall, and Clark Counties. Three weak, EF0 tornadoes touched down as well. One was just north of Columbia in Brown County. The other two were near Willow Lake in Clark County. No significant damage was reported with all three tornadoes.

Record Highs: Record Lows:
Aberdeen: 99 (1933) Aberdeen: 34 (1946)
Kennebec: 101 (1940) Kennebec: 35 (1989)
Mobridge: 96 (1934) Mobridge: 36 (1951)
Pierre: 100 (1940) Pierre: 38 (2011)
Sisseton: 93 (1940) Sisseton: 34 (1946)
Timber Lake: 96 (1914) Timber Lake: 32 (1928)
Watertown: 94 (1940) Watertown: 33 (1956)
Wheaton: 93 (1923) Wheaton: 34 (1917)

Record Precipitation:
Aberdeen: 3.50" (1899)
Kennebec: 1.32" (1991)
Mobridge: 1.37" (1990)
Pierre: 0.95" (1955)
Sisseton: 3.07" (2007)
Timber Lake: 1.05" (1951)
Watertown: 0.84" (1963)
Wheaton: 1.78" (1945) is the U.S. government's official web portal to all federal, state and local government web resources and services.