Active AlertsRapid City, SD

What: Peak afternoon heat index values of 95 to 105.
Where: Portions of northwestern, south central, and southwestern South Dakota and northeast Wyoming.
When: Until 9 PM MDT /10 PM CDT/ Sunday.
Impacts: Hot temperatures may cause heat illnesses.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.