A heat advisory will be in effect for Sioux Falls and surrounding areas starting at noon Saturday, July 25, as temperatures are set to climb into the mid- and upper- 90s through July 28, with a heat index that could surpass 100 degrees this weekend.
Isolated severe storms are possible this evening and the following night.
The National Weather Service heat advisory is set to expire at 8 p.m. July 26. However, the temperature high each day may reach or surpass 90 degrees until at least Friday, July 31, according to the NWS Sioux Falls station…