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

Extreme Heat and Fire Weather Conditions in the West; Severe Thunderstorm Threat in the Northern Plains on Thursday

Extreme heat will may set some new daily temperature records across the Desert Southwest. Hot, dry and windy conditions and dry thunderstorms continue to bring fire weather concerns for portions of the Desert Southwest, the central Great Basin and Rockies. Severe thunderstorms and heavy rain are expected across the Northern Plains late Thursday. Read More >

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Partly Cloudy

69°F

21°C

Humidity 93%
Wind Speed NE 3 mph
Barometer 30.22 in (1022.1 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 7 Aug 3:53 am EDT
Extended Forecast for

7 Miles SE Greenback TN

  • Overnight

    Overnight: A 20 percent chance of showers. Partly cloudy, with a low around 68. Calm wind.

    Low: 68 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers before 7am, then a chance of showers and thunderstorms after 2pm. Patchy fog between 7am and 8am. Otherwise, mostly sunny, with a high near 84. Calm wind. Chance of precipitation is 30%.

    High: 84 °F

    Chance
    Showers and
    Patchy Fog

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 67. Calm wind.

    Low: 67 °F

    Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 2pm. Patchy fog between 7am and 8am. Otherwise, mostly sunny, with a high near 85. Calm wind.

    High: 85 °F

    Patchy Fog
    then Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 67. Calm wind becoming southeast around 5 mph.

    Low: 67 °F

    Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. Calm wind.

    High: 87 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 68. Calm wind becoming southeast around 5 mph after midnight.

    Low: 68 °F

    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

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

    Low: 69 °F

    Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of showers. Partly cloudy, with a low around 68. Calm wind.
Thursday
A slight chance of showers before 7am, then a chance of showers and thunderstorms after 2pm. Patchy fog between 7am and 8am. Otherwise, mostly sunny, with a high near 84. Calm wind. Chance of precipitation is 30%.
Thursday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 67. Calm wind.
Friday
A 30 percent chance of showers and thunderstorms after 2pm. Patchy fog between 7am and 8am. Otherwise, mostly sunny, with a high near 85. Calm wind.
Friday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 67. Calm wind becoming southeast around 5 mph.
Saturday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. Calm wind.
Saturday Night
Partly cloudy, with a low around 68. Calm wind becoming southeast around 5 mph after midnight.
Sunday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87.
Sunday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 69.
Monday
A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 87.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Tuesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles SE Greenback TN
 35.58°N 84.06°W (Elev. 942 ft)
Last Update:
2:36 am EDT Aug 7, 2025
Forecast Valid:
4am EDT Aug 7, 2025-6pm EDT Aug 13, 2025
 
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