Rain, hail, thunder and heat: what weather to expect in Indianapolis for the rest of the week

Indianapolis Star

14-05-2025

Indianapolis can expect rain for the rest of the week, according to the National Weather Service. The wet weather won't dampen the temperatures brought in by a heat wave expected to push temperatures into the high 80s over the next few days.
While forecasters aren't ruling out the chance of severe storms on May 14, they aren't likely, according to NWS meteorologist Earl Breon. Rainfall amounts throughout the Indianapolis area will vary, with some zip codes receiving only a sprinkling while others will see as much as an inch of rainfall.
A flood warning has been issued through 11:30 a.m. May 14 for "creeks, streams, low-lying spots on roads and construction zones, and other low-lying and flood-prone locations is imminent or occurring" for Marion, Johnson and Hamilton counties.
May 15 will begin partly sunny, and temperatures will spike as high as 88 degrees. But be careful with enjoying the outdoors — there's a slight chance of severe storms beginning at around 3 p.m., and the risk increases at around 9 p.m.
"The ones that do become severe have potential to produce large hail, strong winds - things of that nature," Breon said.
Storms will continue overnight into the early morning hours, tapering off between 1-2 a.m. on May 16. The NWS doesn't currently predict tornadoes, but that could change as more information becomes available, according to Breon.
The chance of severe weather will continue on May 16, though storms may stay south of Indianapolis. Hail will remain a possibility, but high winds will be a stronger concern. May 16 will see temperatures around 87 degrees.
The days of heavy rainfall will bring "a ramped-up threat of potential isolated flooding," especially beginning on May 16. And while there's a chance of rain continuing through the weekend, May 15 and May 16 remain the primary severe weather threats.
Breon said people should prepare for the hazards presented both by storms and by severe heat. Power outages brought on by the storms could knock out air conditioning, exacerbating heat stress, Breon said.
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