...A Heat Advisory is in effect for the entire Four State Region through 7 PM CDT Sunday... ...HEAT ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 7 PM CDT SUNDAY... * EVENT...Relative humidity values will be on the rise as southerly winds will bring an increase in low level moisture across the region. The higher humidity values combined with afternoon temperatures in the mid to upper 90s, will result in heat indices ranging from 105 to 110 degrees. Limited relief from the heat is expected overnight, with low temperatures only falling briefly into the mid and upper 70s. * TIMING...Through 7 pm CDT Sunday. * IMPACT...High heat index readings will increase the risk of heat-related illnesses.
