8/13/25: Storms and Heat Index Warning

Showers and Thunderstorms Likely in Williamson County

It’s currently 2:19 AM in Williamson County, TN, with showers and thunderstorms likely. The temperature is 81°F, accompanied by a humidity level of 74%. The calm winds contribute to a muggy feeling outdoors, with overcast skies enhancing the overall atmosphere.

Weather Changes Coming

As we move through the night, expect the potential for heavier rainfall and thunderstorms. These conditions will increase humidity, making the air feel warmer. The calm winds may shift slightly, but they should remain light over the next few hours. Be prepared for possible precipitation that could affect both travel plans and outdoor activities.

Overnight and Tomorrow

Looking ahead, the forecast indicates continued showers and thunderstorms into the morning. Temperatures are expected to dip slightly overnight, with a low of 73°F. As you start your day, layers may be a good idea since conditions will feel humid and warm if stepping outside. Tomorrow’s high is forecasted to reach 92°F, so plan accordingly for a hot day ahead. Keep an umbrella handy, as showers could linger throughout the day.