Scattered showers and storms will be likely east of the James River Valley this evening and tonight while central and western South Dakota stay dry. Lows will fall to the forties and fifties.
Low pressure will develop in the plains of the central United States Thursday and move through KELOLAND. This will bring widespread cloud cover to the area. Along with the clouds, rain will become likely by the late afternoon and evening. The rain will start in western South Dakota then move east. Along with the rain, temperatures will be much cooler with highs in the fifties and sixties.
Rain will continue into Friday. North winds will usher in colder air with many areas having steady or slowly falling temps throughout the day. Model rain amounts through Saturday are ranging from an inch to over two inches. The rain will mix with and switch to snow Friday night in central and western South Dakota. Winter Storm Watches are posted for the southern Hills for Thursday night through Friday night.
Dry skies will be likely in central and western South Dakota on Saturday while eastern KELOLAND will still contend with a cold rain. Highs on Saturday will only be in the thirties and forties.
As the system clears KELOLAND, Sunday morning will be cold with temps in the twenties and thirties. Sunday afternoon will remain well below average with highs in the forties and fifties, but the temps will slowly warm early next week.