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September Sizzler But Heat Eases Next 48 Hours

Another day of highs near 90° but cloudier spells around central Indiana the next couple of days.
Credit: WTHR

A hot September afternoon in central Indiana with highs topping-out near 90°.  Thankfully dewpoints have "dried-out" and dropped to near 60° as the air mixes out.  A weak boundary/wind shift remains draped over north-central Indiana and could trigger spotty, but heavy, storms this afternoon and early evening.  Like Tuesday, some storms could become severe and there's also a low chance of rotation/funnels with wind shear maximized around the front.

While it's hazy and hot locally, not far away it's feeling more like autumn.  Temperatures on the colder side of a stalled front are only in the 50s.  If you're fan of cooler don't get your hopes up.  While the heat and Muggy Meter ease here the next 48 hours, that air mass modifies significantly.

Areas of fog redevelop overnight into Thursday morning... likely covering much more of the viewing area and setting the stage for an overall cloudier day.  Wind shifting to the north-northeast allows the Muggy Meter to slowly become comfortable by Thursday afternoon.

Late-day sun is possible but we're opting for a mainly cloudy forecast Thursday and Friday... due to the expected fog/stratus cloud layer that may get trapped beneath a temperature inversion (warmer air aloft trapping cooler air at the surface).

70s mainly to finish the week before a warm-up into the 80s Saturday afternoon and again on Sunday.  There's a system crossing the state late Saturday into Sunday morning that brings a chance of scattered showers/storms.

In its wake looks like another dry stretch Monday-Wednesday of next week with pleasant highs in the 80s.

Credit: WTHR

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