A prolonged period of heat and humidity with afternoon apparent temperature values of 100 to 110 degrees will continue across central and southern Iowa through Saturday. The warmest conditions will be today and Friday with high temperatures reaching 100 in some locations.
High temperatures of 90 to 100 and dewpoints in the upper 60s to mid 70s will create heat index values of 100 to 110 degrees each afternoon through Saturday. In addition, overnight low temperatures will be in the 75 to 80 degree range. Prolonged exposure to heat and humidity may lead to heat-related illness if precautions are not taken.
An Excessive Heat Warning means that a prolonged period of dangerously hot temperatures will occur. The combination of hot temperatures and high humidity will combine to create a DANGEROUS SITUATION in which heat illnesses are likely. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
Young children and pets should never be left unattended in vehicles under any circumstances. This is especially true during warm or hot weather when car interiors can reach lethal temperatures in a matter of minutes.