…HEAT ADVISORY IN EFFECT FROM 1 PM TO 8 PM CDT SUNDAY… The National Weather Service in Sioux Falls has issued a Heat Advisory, which is in effect from 1 PM to 8 PM CDT Sunday. * TEMPERATURE…Afternoon temperatures in the mid to upper 90s combined with high dew points in the middle to upper 70s will result in heat index values of around 100 to 105 degrees.
