Cincinnati weather: Storms starting to develop with cooler temps coming after

Update, 3:08 p.m.: Storms popping up across Northern Kentucky and southwest Ohio in the Cincinnati area are not considered severe yet, according to the National Weather Service.

Forecasters say some of the storms have the potential to change into severe storms later in the afternoon or early evening.

Update, 1:50 p.m.: Storms are beginning to develop across southern Ohio and Northern Kentucky, according to the National Weather Service, with further development possible in southeast Indiana.

The primary threat will be lightning, and strongest storms bring the possibility of damaging winds. Hail and localized flooding are secondary threats. 

Friday will bring more heat and humidity following the high temperatures from earlier in the week, with a chance for severe rain and thunderstorms going into the evening. 

According to the National Weather Service, Friday will have a high of 91, with a heat index value as high as 100. Showers and thunderstorms will be likely mainly after 4 p.m. and may be "strong to severe," with damaging winds as the primary threat.

Locally, heavy rainfall will also be possible.

Temperatures for Saturday will drop back into the 80s after the front moves through.

Cincinnati saw a high temperature of 93 degrees on Thursday. Just shy of the maximum temperature of 95 degrees recorded on June 29, the hottest day of the year so far.

More:Places to cool off Thursday as excessive heat warning goes into effect

Weekend detailed forecast

Friday: Showers and thunderstorms likely, mainly after 4 p.m. Partly sunny, with a high near 91. The chance of precipitation is 60%. New rainfall amounts may be between a tenth and a quarter of an inch, except higher amounts possible in thunderstorms.

Saturday: Mostly sunny, with a high near 84, low near 61.

Sunday: Mostly sunny, with a high near 82, slight chance of showers after 1 a.m. Low near 64.

Source: National Weather Service, Wilmington