Scattered storms in eastern KELOLAND have been potent, with golf ball size hail reported in Hayti as well as two miles northwest of Stone Bridge. Quarter size hail was also reported five miles northeast of De Smet, four miles southeast of Lily, and five miles east of Flandreau. These storms are east of the James River Valley and will continue to move southeast through the afternoon. Be on the lookout for large hail and periods of heavy rain as the storms move through. To the west of this area, it is dry but isolated showers and storms will be possible after 4:00.
Isolated showers and storms will be possible tonight, but most of KELOLAND will stay dry as temperatures fall to the sixties. There’s a chance for rain east of Interstate 29 Friday morning, otherwise skies will be partly cloudy. Temperatures will be hot on Friday in central and western South Dakota with highs in the middle nineties. Eastern KELOLAND will warm to the middle and upper eighties.
The weekend is looking mostly dry. Isolated showers or storms will be possible in southeast KELOLAND Saturday morning, and then skies will become partly cloudy. Highs on Saturday will be in the middle to upper eighties across KELOLAND. Cooler air arrives on Sunday with highs in the seventies for eastern KELOLAND while central and western South Dakota will be in the low/middle eighties.
The cooler air will last into early next week before temperatures slowly warm by the end of the week.