An Excessive Heat Warning is in effect for the entire region until 8 p.m. Saturday. Heat stroke, heat exhaustion and other heat-related illnesses will be possible for those who spend a significant amount of time outdoors or are involved in strenuous outdoor activity. Reduce outdoor activities, take frequent breaks in the shade or air conditioning. Heat stroke is an emergency, call 911 if you experience symptoms.

>> Cooling centers announced in several communities ahead of excessive heat
QUICK-LOOK FORECAST
- Air Pollution Advisory issued for 6 counties
- Temperatures soar through the 90s Thursday through Sunday
- Heat index at or above 100 degrees
- Seasonable weather returns next week
DETAILED FORECAST
Overnight: It will be mainly clear, warm and muggy overnight with lows around the middle 70s, Storm Center Chief Meteorologist McCall Vrydaghs said. A few areas of patchy fog are possible by daybreak.
>> TRACK THE CONDITIONS: Live Doppler 7 HD Interactive Radar
Friday: Another partly cloudy, hot and humid day. Highs are expected in the mid-90s, but it will feel like 110 degrees.

>> YOU NEED THIS: Download the WHIO Weather App
Saturday: The weekend starts with a mostly sunny and hot day with highs in the mid-90s. The heat index will rise to around 110 degrees again. There's a slight chance of a few pop-up storms.
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Sunday: Partly cloudy and hot again with highs in the mid-90s. The heat index will rise into the low 100s. Showers and storms are likely to develop from the north into the afternoon and evening.
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Monday: It will be mostly sunny, warm and muggy. We get a break from the extreme heat with the high temperature in the middle 80s. A few showers and storms are possible.
Credit: DaytonDailyNews
Credit: DaytonDailyNews
Tuesday: Mostly sunny and pleasant, high temperatures will reach the lower 80s.
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