NWS Forecast for Collierville TN

National Weather Service Forecast for: Collierville TN
Issued by: National Weather Service Memphis, TN

Updated: 10:41 pm CDT Jun 29, 2026

Tonight Clear	Tuesday Hot	Tuesday Night Clear	Wednesday Hot	Wednesday Night Mostly Clear	Thursday Hot	Thursday Night Slight Chance T-storms	Friday Sunny then Slight Chance T-storms	Friday Night Partly Cloudy
Lo 76 °F	Hi 99 °F	Lo 78 °F	Hi 101 °F	Lo 79 °F	Hi 99 °F	Lo 77 °F	Hi 98 °F	Lo 77 °F

Extreme Heat Watch
Heat Advisory

Tonight	Clear, with a low around 76. South wind around 5 mph becoming calm.
Tuesday	Sunny and hot, with a high near 99. Heat index values as high as 109. Calm wind becoming west southwest around 5 mph.
Tuesday Night	Clear, with a low around 78. Calm wind.
Wednesday	Sunny and hot, with a high near 101. Heat index values as high as 112. Calm wind becoming south around 5 mph.
Wednesday Night	Mostly clear, with a low around 79. East southeast wind around 5 mph becoming calm.
Thursday	Sunny and hot, with a high near 99. Calm wind becoming south southeast around 5 mph.
Thursday Night	A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 77. Calm wind.
Friday	A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 98. Calm wind becoming south southeast around 5 mph.
Friday Night	Partly cloudy, with a low around 77.
Independence Day	A 30 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 98.
Saturday Night	A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77.
Sunday	A 40 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 97.
Sunday Night	A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77.
Monday	A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95.

Forecast from NOAA-NWS for Collierville TN.