A thunderstorm is moving across the Buffalo metro area.
"It's not severe, but we'll still have some lightning and heavy rain, which is typical for summer thunderstorms," said Kirk Apffel, a meteorologist with the National Weather Service at the Buffalo and Niagara Falls International Airport in Cheektowaga.
"They're still dangerous, especially with the lightning. So people still have to be careful," Apffel added.
There is the likelihood of a severe thunderstorm Friday evening.
"The definition of a severe thunderstorm is if you have really strong winds of over 60 mph that can bring tree branches down, or if it's accompanied by large hail greater than an inch in diameter, bigger than a quarter," Apffel explained.
"Those are the primary severe weather types and we're not expecting either of those with these storms. It's just going to be heavy rain and lightning," he added.
The line of showers and thunderstorms moving through the region Thursday evening will give way to cooler weather by Friday afternoon, according to meteorologists.
High temperatures that reached into the mid 80s over the past couple of days are forecast to dip into the high 60s Friday, thanks to a strong cold front that is expected to bring in more showers and thunderstorms from mid-afternoon into evening, according to meteorologist Steven Welch.
The cooler temperatures are anticipated to last into Saturday and Sunday, Welch added. Flood warnings also are expected for the weekend.
On Thursday, the National Weather Services issued a severe thunderstorm warning for much of Niagara County that was in effect from 5:30 p.m. until it expired at 6:15 p.m. At least one localized power outage was reported in Lockport that resulted from a lightning strike.
Welch said Thursday's storms also carried a potential for strong winds though there were no reports of any wind damage.