Regional Forecast — Cumberland Plateau & Tennessee Valley

Thunderstorms and heavy rain chances remain high through the holiday weekend and into Memorial Day, with warm and humid conditions continuing across the region.

Friday: Showers and possibly a thunderstorm. Cumberland Plateau high near 74, Tennessee Valley high near 77. South winds 5–10 mph with gusts up to 25 mph in the Cumberland Plateau. Calm wind becoming south around 5 mph in the Tennessee Valley during the afternoon. Chance of precipitation 90% for both regions. New rainfall amounts between one-half and three-quarters inch possible in the Cumberland Plateau, and between one-quarter and one-half inch possible in the Tennessee Valley.

Friday Night: Showers and thunderstorms likely through the night. Cumberland Plateau low around 61 with south winds around 10 mph and gusts up to 20 mph. Tennessee Valley low around 61 with south winds around 5 mph. Chance of precipitation: 70% Cumberland Plateau, 90% Tennessee Valley. New rainfall amounts between one-quarter and one-half inch possible in the Cumberland Plateau, and between one-half and three-quarters inch possible in the Tennessee Valley.

Saturday: Showers and thunderstorms likely. Cumberland Plateau high near 77, Tennessee Valley high near 79. South-southwest to south winds 5–10 mph with gusts up to 20 mph possible in the Cumberland Plateau. Chance of precipitation: 80% Cumberland Plateau, 90% Tennessee Valley.

Saturday Night: Mostly cloudy with a chance of showers and thunderstorms. Cumberland Plateau low around 60 with south-southwest wind around 5 mph becoming calm. Tennessee Valley low around 61 with calm winds. Chance of precipitation: 40% Cumberland Plateau, 50% Tennessee Valley.

Sunday: A chance of showers in the morning, then showers and thunderstorms becoming more widespread during the afternoon. Cumberland Plateau high near 79, Tennessee Valley high near 82. Calm wind becoming south around 5 mph. Chance of precipitation 80% for both regions.

Sunday Night: Showers likely with possible thunderstorms. Cumberland Plateau low around 61, Tennessee Valley low around 61. Calm winds. Chance of precipitation: 70% Cumberland Plateau, 80% Tennessee Valley.

Memorial Day (Monday): Showers and possibly a thunderstorm. Cumberland Plateau high near 77, Tennessee Valley high near 80. Calm wind becoming south around 5 mph in the Cumberland Plateau. Chance of precipitation 90% for both regions.

Monday Night: Showers likely with possible thunderstorms. Cumberland Plateau low around 61, Tennessee Valley low around 61. Mostly cloudy skies with calm winds. Chance of precipitation: 70% Cumberland Plateau, 80% Tennessee Valley.

Tuesday: Showers and possibly a thunderstorm. Cumberland Plateau high near 79, Tennessee Valley high near 81. Chance of precipitation: 90% Cumberland Plateau, 80% Tennessee Valley.

Tuesday Night: Showers and thunderstorms likely. Cumberland Plateau low around 61 with a 50% chance of precipitation. Tennessee Valley low around 61 with an 80% chance of precipitation. Mostly cloudy skies.

May 22 Almanac — Crossville & Rockwood

Temperatures
Crossville: Normal 75° / 54° | Records: 88° (1970) / 32° (2002)
Rockwood: Normal 79° / 55° | Records: 92° (1962) / 35° (1997)

Precipitation Records
Crossville: 1.54″ rain (1957) | 0.0″ snow (2019)
Rockwood: 0.82″ rain (1987) | 0.0″ snow (2025)

Sunrise & Sunset
Crossville: Sunrise 5:30 AM CDT | Sunset 7:45 PM CDT
Rockwood: Sunrise 6:26 AM EDT | Sunset 8:44 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.