After hot and humid conditions this afternoon, there is still the chance for severe weather this evening.
Temperatures reached 91 degrees today in Dayton and Columbus and 92 in Cincinnati, according to the National Weather Service in Wilmington. The combination of heat and humidity led to heat index values above 100, which means the “feel-like” temperature is more than 100 degrees.
The hot weather prompted a Heat Advisory through 8 p.m. for Butler, Greene, Montgomery, Preble and Warren counties. The Dayton area had 10 days where the high temperature cracked 90 degrees in the 23-day span from June 13 to July 5. In the two weeks since, the temperature has not gone above 88, according to National Oceanic and Atmospheric Administration data.
Scattered showers and thunderstorms could develop this evening along and ahead of a cold front, with some stronger storms possible. The primary severe risk will be damaging gusts, although isolated hail and a tornado threat cannot be ruled out, the NWS said. The NWS Storm Prediction Center placed the region under a slight risk for severe weather.
[6:47PM] Here are the results of our special balloon release from this afternoon. This sounding indicates that the environment is still favorable for storms to form this evening.— NWS Wilmington OH (@NWSILN) July 20, 2022
We are monitoring central and southern Ohio for further thunderstorm development. pic.twitter.com/nV1t4TJjgo
The main period for storms is through 10 p.m. with the storm threat ending by midnight. Otherwise, skies will be partly cloudy with an overnight low around 69 degrees.
Hot and dry conditions will remain for the second half of the workweek.
After a high temperature of 89 degrees on Thursday, highs will climb again Friday through Sunday, with each day forecast to top out between 91 and 93 degrees.
Thursday through Saturday are expected to be dry. A chance of showers and thunderstorms arrives for Sunday, with wet weather possible into the early part of the new workweek.
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