Indianapolis, IN
Dry Tuesday before rain and storms return | June 23, 2026
INDIANAPOLIS (WISH) — We’re in for a much better Tuesday, after all of the recent wet weather. High pressure is bringing us sunshine and comfortable temperatures today, but don’t get too used to it—rain and storms are heading back our way by Wednesday night, and we’re tracking a flooding threat heading into the weekend.
Today:
Finally, a day to enjoy! High pressure is firmly in control, giving us plenty of sunshine and comfortable conditions.
Highs today will be pleasant, ranging from the mid-70s across northern Indiana to around 80 degrees in the south.
Tonight:
Clear skies continue with lows dropping into the mid-50s to lower 60s.
Wednesday:
Another nice day as high pressure continues to dominate. We’ll see plenty of sunshine with highs climbing into the low to mid-80s. Humidity will remain low, making it feel comfortable despite the warmer temperatures.
Wednesday Night into Thursday: Heavy Rain Threat
Scattered showers and thunderstorms will develop Wednesday night as moisture increases significantly. There will be much more moisture in the atmosphere by the evening hours, which opens the door for heavy downpours overnight.
Thursday should be mostly dry during the day as weak ridging builds in behind the overnight activity. However, another round of storms could develop late Thursday ahead of a warm front moving in.
Thursday Night through the Weekend: More Heavy Rain
A storm system will move through Thursday night, bringing moderate to heavy rainfall and thunderstorms. Rainfall totals could exceed 2 inches in many locations, raising flash flooding concerns.
The big concern is training storms. When storms repeatedly move over the same areas, rainfall totals can quickly add up, leading to localized ponding and minor flooding. Low-lying areas, poor drainage spots, and areas near creeks and streams will be most vulnerable.
Sunday and Beyond: Heat and Humidity Return
Rain and storms will finally push northeast of the area by Sunday, giving us a break. But the break from rain comes with a price—heat and humidity.
By Sunday, high humidity and southerly breezes will boost afternoon temperatures near 90 degrees. Heat indices could approach mid- to upper 90sby early next week.