The western edges of the SD mountains will enjoy mostly sunn skies while the system that brough us clouds, showers and plenty of thunderstorms Wednesday slowly exists to the east leaving the mountains and deserts with a slight chance for returning thunderstorms for Thursday.
Coast: mid to upper 70's.
Inland: mid 80's.
Mountains: mid 70's & a 40% chance of Thunderstorms or showers
Deserts: upper 90's & a 30% chance of Thunderstorms.
Drier and warmer in all areas on Friday with a warm, sunny weekend on tap.