High heat and humidity will bring dangerous conditions to the greater Mankato area.

Michele Margraf with the National Weather Service said an excessive heat warning will start late Wednesday morning and last through the early evening and, “We’re expecting the highs to be around 93 and with the humidity in the air that’s going to push the heat index between 100 and 105.”

Margraf said weather conditions such as this always bring an added threat because, “Due to the heat and humidity, we do have a threat for thunderstorms across much of central and southern Minnesota. And there is a slight risk for severe weather with that. So hail, high winds, some of the major threats. And heavy rainfall.”

There is also the risk of heat-related illness and Margraf explained, “When it’s hot we sweat a lot and lose a lot of water. So dehydration is a threat with the heat. If anyone needs to be outdoors it’s really important to find shade or go into an air-conditioned building to cool down.”