June 5, 1925:
A severe thunderstorm that probably produced a multiple number of small tornadoes moved northwest from Presho, in Jones County. There were large gaps of about 15 miles at times between tornadoes. One of these tornadoes passed 10 miles north of Ree Heights and ended north of Miller. This is a distance of about 70 miles. Half dozen barns were destroyed west and north of Ree Heights. The strongest of the tornadoes was estimated as having F2 strength. Also on this date, a tornado moved from the southern edge of Fargo, North Dakota and on into Moorhead Minnesota. There were no injuries reported from this storm.
June 5, 1996:
Hail, between golf ball and tennis ball size, broke many windshields and dented vehicles in Watertown. Some houses in Watertown had there windows broken out because of the large hail. Golf ball sized hail also covered most of the ground at the Watertown Airport.
June 5, 1999:
Winds gusting to 74 mph knocked down several trees throughout Groton. One tree took out a major transmission line and ripped the electrical service line off of a house. Power was out for parts of Groton for several hours. The high winds shattered the windows at a store on Main Street and tore a standing board on a sign loose which damaged five new vehicles at a dealership in Groton. The high winds also destroyed a small service building and the surrounding fence at a main juncture of natural gas pipelines at Groton. Winds to 70 mph brought several trees and many large tree branches down in Henry. Winds gusting to 80 mph snapped off several trees, blew a garage down, and brought power lines down in Hazel. In Watertown winds gusted to over 70 mph, blowing a portion of a roof off a house and destroyed the attached garage on another house. Near Watertown, a pole barn was destroyed, a hay bale was blown into a basement window of a house and part of their deck was torn away. Near Florence, winds up to 80 mph tipped over and damaged a small shed, destroyed another storage shed, and also completely demolished a three stall garage.
June 5, 2008:
Very heavy rains of 3 to 7 inches caused extensive flooding throughout Dewey County. Many roads, bridges, dams, culverts, along with some buildings were damaged or destroyed by the flooding. One man, west of Promise, used a boat to get back and forth from his ranch. A federal disaster declaration was issued for Dewey County and the Cheyenne River Reservation.
|Record Highs:||Record Lows:|
|Aberdeen: 103 (1933)||Aberdeen: 37 (1907)|
|Kennebec: 101 (1933)||Kennebec: 34 (2000)|
|Mobridge: 96 (1939)||Mobridge: 38 (2000)|
|Pierre: 98 (1969)||Pierre: 38 (2000)|
|Sisseton: 96 (1939)||Sisseton: 32 (1935)|
|Timber Lake: 99 (1914)||Timber Lake: 37 (1944)|
|Watertown: 94 (1933)||Watertown: 32 (1927)|
|Wheaton: 93 (1952)||Wheaton: 34 (1951)|
|Aberdeen: 2.69" (1941)|
|Kennebec: 2.22" (2008)|
|Mobridge: 1.72" (2008)|
|Pierre: 1.67" (1919)|
|Sisseton: 1.55" (1942)|
|Timber Lake: 1.50" (1937)|
|Watertown: 1.63" (1937)|
|Wheaton: 1.77" (1980)|