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

Heavy Rainfall in the Southern Plains, Carolinas and Florida; Heat in the West and Northeast

Heavy to excessive rainfall over parts of the southern Plains, Florida Panhandle, and coastal Carolinas may bring areas of flooding today. Hot to extremely hot temperatures are in place through early this week across much of the western U.S. and northern New England. Read More >

Current conditions at

Knoxville Downtown Airport (KDKX)

Lat: 35.97°NLon: 83.87°WElev: 827ft.

Overcast

86°F

30°C

Humidity 62%
Wind Speed Calm
Barometer 30.12 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 11 Aug 2:15 pm EDT
Extended Forecast for

Maynardville TN

  • This Afternoon

    This Afternoon: A chance of rain between 3pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 89. Heat index values as high as 95. Northeast wind around 5 mph becoming calm. Chance of precipitation is 10%.

    High: 89 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of sprinkles before 7pm. Mostly cloudy, with a low around 69. Calm wind.

    Low: 69 °F

    Chance
    Sprinkles

  • Tuesday

    Tuesday: A chance of rain and thunderstorms before 2pm, then showers and thunderstorms likely between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Patchy fog between 7am and 8am. Otherwise, mostly cloudy, with a high near 86. Calm wind becoming south around 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    T-storms
    Likely and
    Patchy Fog

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 86. Calm wind becoming southwest around 5 mph. Chance of precipitation is 60%.

    High: 86 °F

    Chance
    T-storms and
    Patchy Fog
    then T-storms
    Likely

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before 2am, then a slight chance of showers between 2am and 5am, then a slight chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 70. Calm wind. Chance of precipitation is 60%.

    Low: 70 °F

    Showers
    Likely then
    Chance
    Showers

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 87. Calm wind.

    High: 87 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 69.

    Low: 69 °F

    Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 91.

    High: 91 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

This Afternoon
A chance of rain between 3pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 89. Heat index values as high as 95. Northeast wind around 5 mph becoming calm. Chance of precipitation is 10%.
Tonight
A chance of sprinkles before 7pm. Mostly cloudy, with a low around 69. Calm wind.
Tuesday
A chance of rain and thunderstorms before 2pm, then showers and thunderstorms likely between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Patchy fog between 7am and 8am. Otherwise, mostly cloudy, with a high near 86. Calm wind becoming south around 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Calm wind.
Wednesday
Showers and thunderstorms likely, mainly between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 86. Calm wind becoming southwest around 5 mph. Chance of precipitation is 60%.
Wednesday Night
Showers and thunderstorms likely before 2am, then a slight chance of showers between 2am and 5am, then a slight chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 70. Calm wind. Chance of precipitation is 60%.
Thursday
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 87. Calm wind.
Thursday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 69.
Friday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 91.
Friday Night
A 10 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 70.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 92.
Saturday Night
A 10 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 92.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Maynardville TN
 36.24°N 83.8°W (Elev. 1178 ft)
Last Update:
1:44 pm EDT Aug 11, 2025
Forecast Valid:
2pm EDT Aug 11, 2025-6pm EDT Aug 17, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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