Regional Forecast — Cumberland Plateau & Tennessee Valley

After a warm and partly sunny Tuesday, repeated rounds of thunderstorms are expected through the end of the workweek across the region.

Tuesday: Partly sunny. Cumberland Plateau high near 86, Tennessee Valley high near 88. South-southwest to south wind 5–10 mph. Calm wind becoming south in the Tennessee Valley during the morning.

Tuesday Night: Partly cloudy to mostly cloudy. Low around 64 for both regions. Cumberland Plateau: slight chance of showers before 1 am, then slight chance of showers and thunderstorms after 5 am (20%). Tennessee Valley: mostly cloudy with calm winds by evening. South to west winds around 5 mph becoming calm overnight.

Wednesday: Showers and thunderstorms likely, then showers and possibly a thunderstorm later in the day. Cumberland Plateau high near 82, Tennessee Valley high near 86. Calm wind becoming west-southwest to southwest around 5 mph. Chance of precipitation: 90% Cumberland Plateau, 80% Tennessee Valley.

Wednesday Night: Mostly cloudy with showers and thunderstorms. Cumberland Plateau low around 61 with patchy fog after 11 pm and a 40% chance of precipitation. Tennessee Valley low around 62 with showers and thunderstorms before 11 pm, then a chance of showers afterward (80%). Calm winds.

Thursday: Showers likely with thunderstorms possible. Cumberland Plateau high near 79, Tennessee Valley high near 83. Patchy fog before 9 am in the Cumberland Plateau. Calm wind becoming south around 5 mph. Chance of precipitation: 80% Cumberland Plateau, 70% Tennessee Valley.

Thursday Night: Mostly cloudy with showers and thunderstorms possible. Cumberland Plateau low around 61 with east wind around 5 mph and a 50% chance of precipitation. Tennessee Valley low around 62 with showers likely before 8 pm, then scattered showers and thunderstorms overnight (60%). Calm winds.

Friday: Showers likely, then showers and possibly a thunderstorm. Cumberland Plateau high near 79, Tennessee Valley high near 82. South wind around 10 mph with gusts up to 20 mph in the Cumberland Plateau. Chance of precipitation 80% for both regions.

Friday Night: Showers likely with possible thunderstorms. Cumberland Plateau low around 61, Tennessee Valley low around 62. South wind 5–10 mph with gusts up to 20 mph in the Cumberland Plateau. Chance of precipitation: 70% Cumberland Plateau, 80% Tennessee Valley.

Saturday: Showers likely with thunderstorms possible. Cumberland Plateau high near 79, Tennessee Valley high near 81. Mostly cloudy skies. Chance of precipitation 70% for both regions.

Saturday Night: Mostly cloudy with showers and thunderstorms possible. Cumberland Plateau low around 62 with a 50% chance of precipitation. Tennessee Valley low around 62 with a 60% chance of precipitation.

May 19 Almanac — Crossville & Rockwood

Temperatures
Crossville: Normal 74° / 54° | Records: 90° (1962) / 32° (2002)
Rockwood: Normal 78° / 54° | Records: 93° (1962) / 32° (1976)

Precipitation Records
Crossville: 2.60″ rain (2013) | 0.0″ snow (2000)
Rockwood: 2.14″ rain (2018) | 0.0″ snow (2025)

Sunrise & Sunset
Crossville: Sunrise 5:29 AM CDT | Sunset 7:43 PM CDT
Rockwood: Sunrise 6:28 AM EDT | Sunset 8:41 PM EDT

Sky & Seasonal Events
Next Full Moon (Blue Moon): May 31, 2026
Crossville: 3:45 AM CDT | Rockwood: 4:45 AM EDT

Summer Solstice: June 21, 2026
Crossville: 3:24 AM CDT | Rockwood: 4:24 AM 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 Weather Reporter 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.