Heavy Rain in the Mid-Atlantic; Severe Thunderstorms in the Northern Plains; Critical Fire in the West

Locally heavy rain and flash flooding will be possible today into tonight near the Mid-Atlantic/Carolina coast. Storms with large hail and severe wind gusts are expected across parts of the central and northern Plains into the upper Mississippi Valley. Dry thunderstorms, and warm, dry, and windy conditions will produce fire weather conditions in parts of the Great Basin and northern Rockies. Read More >

Current conditions at

Knoxville Downtown Airport (KDKX)

Lat: 35.97°NLon: 83.87°WElev: 827ft.

A Few Clouds

90°F

32°C

Humidity 59%
Wind Speed Vrbl 3 mph
Barometer 30.01 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index99°F (37°C)
Last update 14 Aug 2:30 pm EDT
Extended Forecast for

4 Miles E Heiskell TN

  • This Afternoon

    This Afternoon: Isolated showers and thunderstorms after 3pm.  Mostly sunny, with a high near 87. Calm wind.  Chance of precipitation is 20%.

    High: 87 °F

    Isolated
    T-storms

  • Tonight

    Tonight: Isolated showers and thunderstorms before 8pm.  Partly cloudy, with a low around 69. Calm wind.  Chance of precipitation is 10%.

    Low: 69 °F

    Isolated
    T-storms then
    Partly Cloudy

  • Friday

    Friday: A slight chance of showers and thunderstorms between 4pm and 5pm.  Mostly sunny and hot, with a high near 90. Heat index values as high as 96. Calm wind.  Chance of precipitation is 10%.

    High: 90 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 69. Calm wind.

    Low: 69 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny and hot, with a high near 92. Calm wind.

    High: 92 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 68. Calm wind.

    Low: 68 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 93. Calm wind.

    High: 93 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 94.

    High: 94 °F

    Hot

Detailed Forecast

This Afternoon
Isolated showers and thunderstorms after 3pm. Mostly sunny, with a high near 87. Calm wind. Chance of precipitation is 20%.
Tonight
Isolated showers and thunderstorms before 8pm. Partly cloudy, with a low around 69. Calm wind. Chance of precipitation is 10%.
Friday
A slight chance of showers and thunderstorms between 4pm and 5pm. Mostly sunny and hot, with a high near 90. Heat index values as high as 96. Calm wind. Chance of precipitation is 10%.
Friday Night
Partly cloudy, with a low around 69. Calm wind.
Saturday
Sunny and hot, with a high near 92. Calm wind.
Saturday Night
Mostly clear, with a low around 68. Calm wind.
Sunday
Sunny and hot, with a high near 93. Calm wind.
Sunday Night
Mostly clear, with a low around 70.
Monday
Sunny and hot, with a high near 94.
Monday Night
Mostly clear, with a low around 70.
Tuesday
Sunny and hot, with a high near 94.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 71.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 91.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Heiskell TN
 36.12°N 83.98°W (Elev. 892 ft)
1:36 pm EDT Aug 14, 2025
2pm EDT Aug 14, 2025-6pm EDT Aug 20, 2025
 
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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