“Saturday in the late afternoon/evening time, some thunderstorms will move in from the north,” Vrydaghs said. “They do have the threat to bring some strong to damaging winds, heavy rain and hail. Those are our main concerns.”
Vrydaghs said Sunday will have fairly widespread showers and thunderstorms, with the wettest weather in the afternoon. Temperatures will again start in the 60s and climb just barely over 80 degrees.
Monday’s weather for parades and Memorial Day services is more uncertain, but again, there’s a chance for storms, as temperatures should again reach the low 80s.
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Before Thursday, the Dayton area only had five days with highs in the 80s this year. If the forecast holds, Monday would be the fifth day in a row in the 80s. The average high for the last week of May in Dayton is 74 or 75 degrees. Last year’s Memorial Day weekend was one of the hottest in recent years, as temperatures hit 90 on Sunday and Monday.
School’s out for the summer already for many students, and most swimming pools begin their seasons this weekend. Boating families often use the long Memorial Day weekend to get out on the water.
“It’s going to be warm, and it’s going to feel like summer,” Vrydaghs said. “You just need to make sure you have something that’s going to alert you if there are thunderstorms developing in the area.”
Vrydaghs said the WHIO Weather App has a lightning detection feature that can send you an alert of lightning danger in your area, even if there’s not a severe storm warning.
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“That’s important especially if you’re going to be boating or out in the water, as people open their pools this weekend,” she said.