The National Weather Service in Kansas City/Pleasant Hill has issued a heat advisory, which is in effect from 1 p.m. Thursday to 8 p.m. Friday for portions of eastern Kansas and western Missouri, including Pettis County.
Dangerous heat is expected to build into the region. Afternoon temperatures will climb into the mid- to upper 90s with high humidity.
The summer has been unseasonably cool so far and these temperatures will be some of the hottest seen so far this year and, combined with the high humidity, will make for oppressive heat indices of 100 to 105 degrees.
Temperature: Afternoon highs will climb into the mid- to upper 90s with heat index values ranging from 100 to 105 degrees during the afternoon and early evening hours.