Friday, Oct 9: South Dakota has no severe risk in the outlook through Sunday.
The Storm Prediction Center's outlook for South Dakota over the next three days, the SevereWX forecast for each South Dakota city we cover, and what a typical severe weather year looks like here.
SPC outlook for South Dakota
Day 1 (Friday, October 9): No severe risk
Day 2 (Saturday, October 10): General thunderstorms
South Dakota averages 26.8 tornadoes a year (1996–2025), about 2.6 of them rated EF2 or stronger.
81% of them touch down between May and July, and June alone accounts for 40%. The busiest year on record in that span was 2003, with 81.
Storm reports average about 428 for large hail a year (41.3 of them 2 inches or larger) and 497 for damaging wind (2016–2025).
Source: NOAA Storm Prediction Center severe weather database. Tornadoes are counted in the state where they began. One storm can produce many reports. spc.noaa.gov