National Weather Service United States Department of Commerce

While temperatures cool off slightly early this week, highs remain in the 90s through Wednesday. Thunderstorm risks return Thursday into Friday with highs in the 80s becoming more prevalent.
Temperatures once again rise into the 90s. Humidity will surge early in the day, but by the afternoon will gradually begin to lessen. Heat index values will still peak between 95 and 105 in most areas with the potential for areas along the Missouri River and Highway 20 corridor to reach 110 degrees in the afternoon.