Regional Forecast — Cumberland Plateau & Tennessee Valley

Heat becomes the main weather story heading into the weekend, with only limited chances for showers and thunderstorms. The hottest stretch comes Friday through Monday, when highs could reach the mid 90s in warmer locations and heat index values may climb to around 110.

Thursday: Partly to mostly sunny with isolated to scattered showers and thunderstorms. Highs in the upper 80s to lower 90s. Heat index values could reach around 106 in warmer locations. Chance of rain 20 to 40 percent.

Thursday Night: Partly cloudy. Lows in the lower to mid 70s.

Friday: Mostly sunny and hot with an isolated afternoon shower or thunderstorm. Highs around 90 to the mid 90s. Heat index values could reach around 109 in warmer locations. Chance of rain 20 percent.

Friday Night: Mostly clear to partly cloudy. Lows in the lower to mid 70s.

Saturday: Mostly sunny and hot. Highs in the lower to mid 90s. Heat index values could reach around 110 in warmer locations.

Saturday Night: Partly cloudy early, then mostly clear. Lows in the lower to mid 70s.

Sunday: Mostly sunny and hot. Highs in the lower to mid 90s. Heat index values could reach around 107 in warmer locations.

Sunday Night: Mostly clear. Lows in the lower to mid 70s.

Monday: Sunny and hot with an isolated afternoon shower or thunderstorm possible. Highs in the lower to mid 90s. Heat index values could reach around 107 in warmer locations. Chance of rain 20 percent.

Monday Night: Mostly clear after some early clouds. Lows around 70 to the lower 70s.

August 13 Almanac — Crossville & Rockwood

Temperatures
Crossville: Normal 83° / 64° | Records: 93° (2010) / 46° (1964)
Rockwood: Normal 87° / 65° | Records: 98° (2007) / 46° (1964)

Precipitation Records
Crossville: 2.06″ rain (1998) | 0.0″ snow (2009)
Rockwood: 2.70″ rain (1996) | 0.0″ snow (2025)

Sunrise & Sunset
Crossville: Sunrise 5:57 AM CDT | Sunset 7:32 PM CDT
Rockwood: Sunrise 6:54 AM EDT | Sunset 8:32 PM EDT

Sky & Seasonal Events
Next Full Moon (Sturgeon Moon): August 27, 2026
Crossville: 11:18 PM CDT | Rockwood: 12:18 AM EDT

Autumn Equinox: September 22, 2026
Crossville: 7:05 PM CDT | Rockwood: 8:05 PM EDT

Daylight Saving Time Ends: November 1, 2026
Crossville: 2:00 AM CDT | Rockwood: 2:00 AM EDT

Weather information is provided by the National Weather Service in Nashville and Morristown. You can hear the latest forecast on 105.7 The Hog, 94.1 The Vibe (1410 AM), Spirit 101.9, 98.9 The Wolf, and 93.3 The Ranch (580 AM). Stay connected with Weathercaster Johnny Caudle on social media by following him on Facebook, X, Instagram, Bluesky, and YouTube. You can also click here to send him an email.