During the alert, the agencies expect there to be elevated levels of fine particulate matter, specifically wildfire smoke. Conditions are considered “unhealthy for sensitive groups,” such as children, older adults and people with heart or lung diseases.
There’s a slight chance for thunderstorms this afternoon and evening, with the possibility for some storms to be strong to severe, according to the National Weather Service in Wilmington. The primary threats are damaging winds and large hail.
An NWS employee near Clarksville reported hail 1.5 inches across at 4:34 p.m.
A weak frontal boundary will remain across the region today, bringing a chance of showers and storms for some. A few strong or severe storms will be possible, especially along and south of the Ohio River. pic.twitter.com/f8Dt4Z7maP
— NWS Wilmington OH (@NWSILN) July 18, 2023
Highs will be in the low 80s today, with lows around 65 degrees.
On Wednesday, there will be a chance of rain throughout the day, with a chance of thunderstorms beginning around noon. Both rain and storm chances will linger through the night.
Highs on Wednesday will be around 84 degrees and lows will be around 68 degrees.
The chance for thunderstorms and showers continue Thursday, with strong to severe storms possible in the afternoon and evening. Once again, the primary threats are damaging winds and hail.
Highs will be around 87 degrees.
Thunderstorm chances are expected to drop away around midnight, though rain chances will slowly trail off throughout the night, finally falling away by sunrise on Friday.
Lows will be around 65 degrees.
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