Storms roll in Wednesday, then big cooldown

Temperature hit at least 90 (Dayton airport) for 5th straight day.

QUICK-LOOK FORECAST

  • More heat humidity through Tuesday
  • Thunderstorms late day Wednesday
  • Cooling trend into the weekend
  • Area hit 90 degrees (at Dayton airport) today
  • 5 straight days at 90, 6th possible Tuesday
  • Hottest September 90+ streak in 76 years

DETAILED FORECAST

This Evening: If we hit 90, it will be the fifth consecutive day for the heat wave — the hottest stretch we have had all summer, StormCenter 7 Meteorologist Rich Wirdzek said Monday afternoon. It’s conceivable that an isolated shower or thundershower could pop up within this heat environment, but the chance is extremely low and would diminish by sunset, he said.

Tonight: A few clouds and staying very warm and muggy. Lows in the upper 60s.

Tuesday: Mostly sunny skies, hot and humid continue. Highs will be close to 90 with a heat index peaking into the mid-90s.

Wednesday: We’ll have more clouds develop and eventually some showers and thunderstorms into the late afternoon. The coverage of this activity will increase into evening as a cold front draws closer to the region. There is a relatively low risk for any severe weather. But, a few storms in the evening could be on the strong side. Highs in the mid-80s.

Thursday: The cold front will move just south of our area before stalling. As a result, a return shower could pop up at one point, but this chance would be well south of Dayton. The humidity will be dropping through the day to make it noticeably cooler with highs in the upper 70s.

Friday: More cool air will continue to pour into the region from the north. Some upper level energy will help to generate clouds at times during the day. An isolated light shower is possible, but the chance will be very low. Highs will be in the mid-70s.

Saturday: Even more clouds will be expected to rule the day at various points. This will help make the day that much more unseasonably cool. An isolated light shower is possible, but the chance will be low at best. Highs only will reach the low 70s.

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