A severe heatwave is set to scorch the central and eastern United States from Tuesday through the July 4th holiday. Temperatures are predicted to soar above 100°F with oppressive humidity, pushing the heat index even higher. Overnight lows will offer little respite, increasing the risk of heat-related illnesses for millions. A severe heatwave is set to scorch the central and eastern United States from Tuesday through the July 4th holiday. Temperatures are predicted to soar above 100°F with oppressive humidity, pushing the heat index even higher. Overnight lows will offer little respite, increasing the risk of heat-related illnesses for millions.
