Heat Alerts Cover DC, Maryland, Columbia Amid Extreme Temperatures

The eastern United States is experiencing a severe heatwave with dangerously high temperatures and humidity levels. Columbia, South Carolina, faces heat index values approaching 112 degrees, with an Extreme Heat Watch in effect and forecasts indicating continued oppressive heat through Monday. Washington, D.C., under a Heat Alert, is enduring feels-like temperatures near 100 degrees and expects sustained mid-90s highs until a cold front arrives later in the week. Central Maryland reported temperatures in the mid to upper 90s with heat indices reaching 105 to 110 degrees, prompting heat alerts and advisories. Local health and fire departments, including those in Mint Hill and Howard County, Maryland, have issued public safety advisories urging residents to hydrate properly, avoid prolonged outdoor exposure during peak heat hours, and check on vulnerable individuals without air conditioning. These warnings emphasize the increased risk of heat-related illnesses amid the ongoing extreme heat conditions.