Heat Advisory issued June 18 at 2:58AM MDT until June 19 at 7:00PM MDT by NWS

…HEAT ADVISORY REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM CDT SUNDAY… * WHAT…Heat index values up to 107 expected. Overnight heat index values above 75 degrees possible. * WHERE…Charles Mix, Beadle, Brule, Douglas, Jerauld, Sanborn, Gregory, Aurora and Davison Counties. This includes the Tribal