Due to the heat sticking around for a good chunk of the week, the Heat Advisory that was originally set to expire on Tuesday evening has been extended. This will now expire on Wednesday at 8 PM. The NWS notes heat index values up to 106 degrees are possible! In addition to the extension, Adair county, who was previously not included has now also been added to the advisory to include our entire viewing area.

Here's more information from the NWS on the new heat advisory:
...HEAT ADVISORY NOW IN EFFECT UNTIL 8 PM EDT /7 PM CDT/ WEDNESDAY...
* WHAT...Heat index values up to 106.
* WHERE...Portions of south central Indiana and east central, north
central, northwest, and south central Kentucky.
* WHEN...Until 8 PM EDT /7 PM CDT/ Wednesday.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
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.