 and hot temperatures and high humidity can cause heat illnesses to occur. And as we know, the region is dealing with very hot temperatures today. Forecasters say we could see temperatures of up to 102 degrees with a heat index value of 109. Dr. Clifford Mitchell with the Maryland Health Department says if you start to overheat, you need to take action to stay safe. The most important thing, as I said, is to get out of the heat. So if you're outside, you need to find a shady area outside of the direct sun