July 9, 1938:
A deadly, estimated F4 tornado moved ESE across the eastern edge of Andover to north of Bristol. Seventeen buildings were destroyed at Andover, and at least one home was completely swept away. Seven homes and a church also suffered damage. An elderly person was killed at the western edge of Andover and a couple died in a home at the southern edge of town. About two hours later, another estimated F4 tornado moved ENE from 2 miles northeast of White, South Dakota in Brookings County to Hendricks, Minnesota. Only one person was injured from this storm.
July 9, 1972:
Wind gusts up to 89 mph caused considerable damage in the Pierre and Oahe Dam area. A drive in movie screen was destroyed. A camper trailer was turned over pinning 7 members of a family inside. Five of them were hospitalized. Numerous trees were uprooted at the Oahe Dam campground. A tourist information building was caved in. Hail broke out car windows on ten vehicles.
July 9, 2009:
Severe storms developed over Fall River County and moved eastward across southwestern and south central South Dakota. The storms produced large hail and strong wind gusts. Two tornadoes were observed in Todd County and two tornadoes touched down in southern Tripp County. A small EF-1 tornado tracked across Dog Ear Township from 311th Avenue to near the intersection of 289th Street and 312th Avenue, or a little over one mile track. The tornado blew down large cottonwood trees.
July 9, 2013:
A pair of severe storms moved across northeastern South Dakota during the evening hours of the 9th. These storms caused extensive damage to crops, especially west of Frederick in Brown County where beans and corn fields were completely destroyed. As the storms moved from Barnard, through Columbia and into the Groton area, the hail increased to baseball size. There was also some structural damage to siding along with broken windows.
|Record Highs:||Record Lows:|
|Aberdeen: 115 (1936)||Aberdeen: 42 (1981)|
|Kennebec: 113 (1936)||Kennebec: 38 (1895)|
|Mobridge: 112 (1936)||Mobridge: 44 (1929)|
|Pierre: 110 (1936)||Pierre: 48 (1996)|
|Sisseton: 110 (1936)||Sisseton: 43 (1977)|
|Timber Lake: 114 (1936)||Timber Lake: 44 (1929)|
|Watertown: 105 (1936)||Watertown: 40 (1899)|
|Wheaton: 100 (1976)||Wheaton: 47 (1968)|
|Aberdeen: 2.44" (1926)|
|Kennebec: 1.34" (2000)|
|Mobridge: 0.96" (1987)|
|Pierre: 1.40" (1944)|
|Sisseton: 1.25" (1946)|
|Timber Lake: 1.40" (2003)|
|Watertown: 1.18" (1946)|
|Wheaton: 1.24" (1993)|