National Weather Service United States Department of Commerce

Warm and humid conditions will persist today. There will be quite a bit of clouds and more showers as well as some storms.
Locally heavy rainfall will be possible again today, especially near and south of the Ohio River. More showers and storms with heavy rainfall may occur late tonight as well in parts of the Tri-State south and west of Cincinnati. Those who live near creeks and streams and any other flood prone areas should maintain a heightened awareness.
Temperatures will get very warm on Wednesday and Thursday and a humid air mass will remain in place. This will cause the heat index to approach 100 for the first time this year. This may cause some heat stress, especially for those people who are sensitive to heat. Heat Risk takes into consideration: 1 How much temperatures are above normal 2 Humidity 3 Time of year 4 Duration of heat