National Weather Service United States Department of Commerce

After a warm and humid conditions through Tuesday, the Heat is On Wednesday and Thursday ahead of a cold front on Friday. High temperatures will average near 90 degrees across central Indiana. Recent rainfall and already moist conditions will lead to very high heat indices up to 102 degrees. If you are outdoors Wednesday and Thursday afternoons, make sure to take frequent breaks and stay hydrated.
If you are driving an encounter a flooded road, the best course of action is turn around and don't drive through. Even 1-2 feet of water can stall out a vehicle. Please also don't drive around barricades.
A line of strong to severe thunderstorms is expected to move into central Indiana Thursday Night into early Friday morning. The biggest hazard will be wind gusts over 60 mph along with localized flooding. The potential for tornadoes and hail is expected to be relatively low. Stay tuned for updates to the intensity and timing of this severe weather potential.
Forecast information for the 12-24 hour forecast. Graphic displays temperatures, precipitation chances, wind direction, and wind speeds for the 12-24 hour period of the forecast.
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: https://www.weather.gov/ind/Climate_Maps