The work week will start out with smoke nearing from fires over the western U.S. Temperatures will top out mainly in the upper 80s and 90s. There is a 50% chance of late afternoon and evening showers and thunderstorms over central South Dakota. A couple of storms over central South Dakota could become strong to severe from 5-10 PM, with damaging winds being the main concern. After a couple of mainly dry days Tuesday and Wednesday, there will be a 60% chance of showers and thunderstorms Thursday.