Regional Forecast — Cumberland Plateau & Tennessee Valley

Repeated rounds of thunderstorms and heavy rain chances will keep conditions unsettled for much of the workweek, with warmer temperatures building later in the period.

Memorial Day (Monday): Showers and thunderstorms likely, becoming more widespread during the afternoon. Cumberland Plateau high near 76, Tennessee Valley high near 79. Areas of fog before 10 am in the Cumberland Plateau. Calm winds. Chance of precipitation: 80% Cumberland Plateau, 60% Tennessee Valley. New rainfall amounts between one-tenth and one-quarter inch possible, with higher amounts in thunderstorms. Locally heavy downpours and isolated flooding are possible in the Tennessee Valley.

Monday Night: Showers and possibly a thunderstorm, then showers likely overnight. Cumberland Plateau low around 62 with patchy fog between 8 pm and 2 am. Tennessee Valley low around 63. Calm winds. Chance of precipitation: 80% Cumberland Plateau, 90% Tennessee Valley. New rainfall amounts between one-tenth and one-quarter inch possible, with higher amounts in thunderstorms.

Tuesday: Showers likely with thunderstorms possible through the day. Cumberland Plateau high near 77, Tennessee Valley high near 80. Calm winds becoming south around 5 mph during the day. Chance of precipitation: 80% Cumberland Plateau, 70% Tennessee Valley.

Tuesday Night: Mostly cloudy with showers and thunderstorms likely. Cumberland Plateau low around 62 with south wind around 5 mph. Tennessee Valley low around 63 with calm winds. Chance of precipitation: 60% Cumberland Plateau, 70% Tennessee Valley.

Wednesday: Showers likely with thunderstorms developing during the day. Cumberland Plateau high near 78, Tennessee Valley high near 81. Southwest to south winds around 5 mph. Chance of precipitation 90% for both regions.

Wednesday Night: Mostly cloudy with lingering showers and thunderstorms. Cumberland Plateau low around 62 with patchy fog after 9 pm and a 30% chance of precipitation. Tennessee Valley low around 62 with showers and thunderstorms before 8 pm, then scattered showers overnight (80%). Calm winds.

Thursday: A chance of showers and thunderstorms in the morning, then showers likely with thunderstorms possible during the afternoon. Cumberland Plateau high near 81, Tennessee Valley high near 84. Areas of fog before 8 am in the Cumberland Plateau. Calm winds becoming north around 5 mph in the Cumberland Plateau during the afternoon. Partly sunny skies. Chance of precipitation 60% for both regions.

Thursday Night: Mostly cloudy. Cumberland Plateau low around 61 with calm winds. Tennessee Valley low around 62 with showers likely and possible thunderstorms before 8 pm (60%).

Friday: A chance of showers and thunderstorms, then showers likely with thunderstorms possible during the afternoon. Cumberland Plateau high near 79, Tennessee Valley high near 82. Partly sunny skies. Chance of precipitation 60% for both regions.

Friday Night: Showers likely with possible thunderstorms. Cumberland Plateau low around 60, Tennessee Valley low around 61. Mostly cloudy skies. Chance of precipitation 60% for both regions.

May 25 Almanac — Crossville & Rockwood

Temperatures
Crossville: Normal 75° / 55° | Records: 86° (2019) / 37° (1979)
Rockwood: Normal 80° / 56° | Records: 91° (1970) / 43° (1976)

Precipitation Records
Crossville: 1.40″ rain (2014) | 0.0″ snow (2019)
Rockwood: 1.50″ rain (1927) | 0.0″ snow (2025)

Sunrise & Sunset
Crossville: Sunrise 5:28 AM CDT | Sunset 7:47 PM CDT
Rockwood: Sunrise 6:25 AM EDT | Sunset 8:46 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.