Late day heat indices across Central Indiana have hit 90 degrees and higher… with the exception of rain-cooled Putnam County. Greencastle’s experiencing one of the isolated showers on Live Doppler 13 Radar.
We don’t expect much coverage this evening or tonight, but rain/storm chances remain in the forecast each day into Monday afternoon.
The time for talk is just about over, and we’ve been talking about the impending heat wave since last week.
Though our forecast hasn’t changed much since then… the National Weather Service in Indianapolis made it somewhat official today with the issuance of Heat Advisory to begin for most Friday and carryover into Saturday.
However it should be noted that heat and humidity will be uncomfortable Thursday too and deserves your attention to limit outdoor activity.
You can already see the oppressive triple figure heat indices in the central U.S. where a large chunk of real estate is under an Excessive Heat Warning. As expected these continue to expand eastward with the building hot dome.
We noted in the forecast Tuesday there would be “ridge runners” or clusters of rain and heavy storms building/tracking on the edge of the hottest air. We’ll need to watch for these locally heavy rain-makers Thursday and again Friday morning as we’ll be close to the “lid” that caps the atmosphere from storms.
Anyway you slice it conditions for Brickyard 400 will be less than ideal. If you’re heading to IMS either Friday, Saturday or Sunday you’re going to need to take the heat seriously.
Latest indications suggest the high heat/humidity combo lasts into Monday along with scattered heavy storms. Check back for updates – Sean Ash