⚠️ Heat Advisory – Lyon; Osceola; Dickinson; Sioux; O’Brien; Clay; Plymouth; Cherokee; Buena Vista; Woodbury; Ida; Lincoln; Lyon; Murray; Cottonwood; Nobles; Jackson; Pipestone; Rock; Dixon; Dakota; Beadle; Kingsbury; Brookings; Gregory; Jerauld; Sanborn; Miner; Lake; Moody; Brule; Aurora; Davison; Hanson; McCook; Minnehaha; Charles Mix; Douglas; Hutchinson; Turner; Lincoln; Bon Homme; Yankton; Clay; Union – Friday, July 17, 2026

Heat Advisory issued July 17 at 1:31AM CDT until July 17 at 9:00PM CDT by NWS Sioux Falls SD

Details

* WHAT…Heat index values up to 100 expected.

* WHERE…Portions of northwest and west central Iowa, southwest
Minnesota, northeast Nebraska, and central, east central, south
central, and southeast South Dakota.

* WHEN…From 1 PM this afternoon to 9 PM CDT this evening.

* IMPACTS…Hot temperatures and high humidity may cause heat
illnesses.

Instructions

Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.

Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.

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.

This alert was automatically posted by SkyGuard, MWSC’s severe weather alerting system. Source: National Weather Service.