Knoxville, TN Weather
88°F
Mostly Clear
Data: NOAA/National Weather Service. Forecast updated Aug 30, 2026, 11:06 PM UTC. Discussion issued Aug 30, 2026, 5:03 PM UTC.
Air Quality Index: 52 (Moderate)
SPC Convective Outlook: Thunderstorm Risk
Local discussion
- Temperatures will rise into the low to mid 90s this week.
- Heat index values could reach 100-105 degrees in central and southern Tennessee.
- Most areas will remain dry, with only isolated rain chances in the eastern mountains.
Hazards
- Heat: High heat index values may lead to uncomfortable and potentially hazardous conditions. (Throughout the week; Central and southern Tennessee)