National Weather Service United States Department of Commerce

Widespread Red Flag Warnings are in place today due to the combination of very dry air and gusty southerly winds. Hot temperatures in the upper 80s to mid 90s will also be in place.
Humidity will drop to between 10 and 25 percent across the region while southerly wind gusts increase to between 30 and 45 mph by afternoon.
Very High to Extreme grassland fire danger across the region today.
A few strong to severe thunderstorms are possible across central SD by early evening. Wind gusts around 60 mph are possible, along with small hail.