National Weather Service United States Department of Commerce

What is Heat Risk? You'll be hearing us talk about this a lot over the next few months as we enter the hottest time of the year. This tool, developed with CDC, provides a forecast risk of heat related impacts for a 24 hour period. We're watching tomorrow for unseasonably hot conditions that could potentially impact sensitive and vulnerable groups. For more information on Heat Risk, visit #inwx
After a steamy Tuesday, thunderstorms will arrive into central Indiana after midnight Tuesday night. A few storms may be severe with damaging winds. Additional storms will develop Wednesday afternoon and evening with damaging winds and large hail possible. Heavy rainfall will also be a concern with storms Wednesday.
Unseasonably hot and humid conditions expected Tuesday may be impactful for sensitive and vulnerable populations. Highs may reach 90 degrees in portions of Central Indiana. Stay hydrated and familiarize yourself with the signs of heat exhaustions if you have to work outside for extended periods of time. Don't forget to check on those without adequate air conditioning. #inwx
Forecast graphics for the 12 to 24 hour period.
These images contain the daily records and averages across central Indiana. The data is an estimation and interpolation between the various points that have a long enough record across Central Indiana. Additional daily climate information available here including a full listing of all the points used to generate the maps: