Sioux Falls, South Dakota – Sunny skies and highs near 90°F will dominate South Dakota this weekend, but thunderstorms are expected to return by late Monday night, potentially bringing severe weather to parts of the region.
According to the National Weather Service in Sioux Falls, a system moving in Monday evening could trigger scattered showers and thunderstorms across southeast South Dakota, northeast Nebraska, and western Iowa. The threat will continue through Wednesday, with a few strong to severe storms possible depending on timing and storm development.
In Sioux Falls, temperatures will climb to 86°F on Saturday and 88°F on Sunday before peaking at 91°F Monday. The first round of storms may arrive after 1 a.m. Tuesday, with an 80% chance of rain and temperatures falling to the low 60s overnight.
Travelers and residents are urged to monitor local alerts and prepare for possible downed branches, lightning, and heavy rainfall early next week. Areas like Brookings, Yankton, and Vermillion may also be affected, especially Monday night into Tuesday.
Storm timing and severity remain uncertain. Additional weather statements or warnings may be issued as the system approaches.
