National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat Wave Continues; Areas of Severe Thunderstorms Today

Dangerous, record-breaking heat will continue across most of the central and eastern U.S through Friday then focusing on the eastern U.S. through the Independence Day weekend. Peak heat indices of up to 115 degrees are possible. Strong to severe thunderstorms will be possible from the northern Plains into the Midwest and Great Lakes regions, as well as across the southern Appalachians today. Read More >

Hazardous Weather Conditions

Current conditions at

Williamsburg-Whitley County Airport (KBYL)

Lat: 36.8°NLon: 84.2°WElev: 1165ft.

Partly Cloudy

76°F

24°C

Humidity 99%
Wind Speed Calm
Barometer 30.20 in
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index75°F (24°C)
Last update 2 Jul 9:15 am EDT
Extended Forecast for

Jellico TN

Heat Advisory July 2, 09:33am until July 3, 09:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 2, 09:33am until July 3, 09:00pm

    NOW until 9:00pm Fri

    Heat Advisory

  • Today

    High: 95 °F

    Hot

  • Tonight

    Tonight: Partly cloudy, with a low around 75. Calm wind.

    Low: 75 °F

    Partly Cloudy

  • Friday

    Friday: Sunny and hot, with a high near 96. Heat index values as high as 101. Calm wind becoming northeast around 5 mph.

    High: 96 °F

    Hot

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 73. Calm wind.

    Low: 73 °F

    Slight Chance
    T-storms

  • Independence Day

    Independence Day: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 93. Calm wind.

    High: 93 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly between 8pm and 2am. Partly cloudy, with a low around 73. Calm wind.

    Low: 73 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 91. Calm wind.

    High: 91 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 72.

    Low: 72 °F

    Chance
    T-storms

Detailed Forecast

Today
Sunny and hot, with a high near 95. Heat index values as high as 99. Calm wind becoming northeast around 5 mph.
Tonight
Partly cloudy, with a low around 75. Calm wind.
Friday
Sunny and hot, with a high near 96. Heat index values as high as 101. Calm wind becoming northeast around 5 mph.
Friday Night
A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 73. Calm wind.
Independence Day
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 93. Calm wind.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly between 8pm and 2am. Partly cloudy, with a low around 73. Calm wind.
Sunday
A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 91. Calm wind.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 72.
Monday
A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny and hot, with a high near 90.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 72.
Tuesday
Showers and thunderstorms likely. Partly sunny, with a high near 88. Chance of precipitation is 70%.
Tuesday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 71. Chance of precipitation is 60%.
Wednesday
Showers and thunderstorms likely. Mostly sunny, with a high near 87. Chance of precipitation is 70%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Jellico TN
 36.58°N 84.16°W (Elev. 1102 ft)
Last Update:
7:06 am EDT Jul 2, 2026
Forecast Valid:
9am EDT Jul 2, 2026-6pm EDT Jul 8, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation