National Weather Service United States Department of Commerce
Click a location below for detailed forecast.

Last Map Update: Tue, Jul 21, 2026 at 3:28:34 pm CDT

There is a risk for severe storms late today and tonight. The main risk time is 6 PM to midnight. Damaging winds and flash flooding will be the main concerns. Please stay weather aware and be prepared to seek safe shelter.
Flash flooding is a threat this evening and overnight as storms with torrential downpours move into the area. Some spots may have several inches of rain in a short period. Please stay aware and be prepared for action if you live in a spot subject to flooding.
Dangerous heat and humidity will continue today with a Heat Advisory across Middle Tennessee. Major heat risk will occur with heat index values topping 100 degrees and as high as 110. Please take appropriate actions to protect people and pets.

​

Middle Tennessee Weather History For July 21st...
On July 21, 1994...Two persons are injured by lightning while hanging
gutters on a house in Crossville.


 

Text Product Selector (Selected product opens in current window)

 

 

Briefing Hydrology Past Weather Events Graphical Hazardous Weather Outlook for Middle Tennessee Middle Tennessee Observations
Decision Support Hydrology Past Weather Events GHWO Observations Gridded Forecast
Daily Climate for Middle Tennessee Local Middle Tennessee Climate Tornado Database Tropical Weather Information NOAA Weather Radio
IDSS Point Forecasts Daily Climate Local Climate Tornado Database Tropical Weather Radio
   
Being Prepared Probabilistic Climate Records Outreach