Grand Rapids, Mich. – Sweltering heat continues to blanket much of Michigan this weekend, with heat index values soaring past 100°F in cities including Grand Rapids, Lansing, and Kalamazoo through 8 p.m. Sunday. The extreme warmth, paired with stifling humidity, poses a risk of heat-related illnesses, especially for vulnerable groups without access to air conditioning.
According to the National Weather Service in Grand Rapids, a Heat Advisory remains in effect for 23 counties across central, west-central, and southern Michigan. Daytime heat index readings are expected to hover near or above 100°F through Sunday afternoon, while overnight lows will offer little relief—only dipping into the mid to upper 70s.
Communities such as Battle Creek, Jackson, and Muskegon are also in the advisory zone. Local emergency officials are urging residents to limit outdoor activity, check on neighbors and the elderly, and avoid strenuous tasks during peak heat hours. Cooling centers are open in several counties, and residents are encouraged to stay hydrated and wear light clothing…