Wetter-Warnungen, Helmer Ranch Mine

Heat Advisory issued July 18 at 1:04PM MDT until July 19 at 9:00PM MDT by NWS Rapid City SD * WHAT...Heat index values up 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 and high humidity 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.