Weather Alerts For Henry, SD

# HEADLINE -------------------- HEAT ADVISORY REMAINS IN EFFECT FROM 1 PM SATURDAY TO 9 PM CDT SUNDAY # DETAILS -------------------- WHAT Heat index values up to 102 expected. WHERE Portions of west central Minnesota and northeast South Dakota. WHEN From 1 PM Saturday to 9 PM CDT Sunday. IMPACTS Hot temperatures and high humidity may cause heat illnesses. ISSUED AT Friday, July 24, 2026 at 8:36 PM CDT ISSUED BY National Weather Service Aberdeen SD HEADER URGENT - WEATHER MESSAGE # PRECAUTIONARY/PREPAREDNESS ACTIONS -------------------- Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. # AREAS AFFECTED -------------------- Codington, Big Stone, Brown, Clark, Day, Deuel, Grant, Hamlin, Marshall, Roberts, Spink, Traverse Including the cities of Britton, Aberdeen, Ortonville, Redfield, Clark, Milbank, Webster, Watertown, Hayti, Clear Lake, Wheaton, and Sisseton