Tracking Major Hurricane Erin; Hot in the Mid-Mississippi Valley

Major Hurricane Erin is tracking just north of the lower Bahamas today. Dangerous surf and rip current threats increase this week for most of the Atlantic coastline. Erin's outerbands may impact the Outer Banks later this week. Hot to extremely hot temperatures are forecast today and Tuesday from a part of the southern Plains into the central to lower Mississippi River Valley. Read More >

Current conditions at

Knoxville Downtown Airport (KDKX)

Lat: 35.97°NLon: 83.87°WElev: 827ft.

A Few Clouds

91°F

33°C

Humidity 56%
Wind Speed Calm
Barometer 30.02 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index100°F (38°C)
Last update 18 Aug 3:35 pm EDT
Extended Forecast for

3 Miles NE Knoxville TN

  • This Afternoon

    This Afternoon: Mostly sunny and hot, with a high near 93. Heat index values as high as 97. Northeast wind around 5 mph.

    High: 93 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 71. Northeast wind around 5 mph becoming calm.

    Low: 71 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 92. Heat index values as high as 96. Calm wind.

    High: 92 °F

    Hot

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms after 2pm.  Mostly sunny and hot, with a high near 92. Calm wind becoming northwest around 5 mph.

    High: 92 °F

    Sunny then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm.  Partly cloudy, with a low around 71. North wind around 5 mph becoming calm.

    Low: 71 °F

    Chance
    T-storms

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 89. Calm wind becoming north around 5 mph in the afternoon.

    High: 89 °F

    Mostly Sunny
    then 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 40 percent chance of showers and thunderstorms, mainly after 2pm.  Partly sunny, with a high near 85.

    High: 85 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
Mostly sunny and hot, with a high near 93. Heat index values as high as 97. Northeast wind around 5 mph.
Tonight
Mostly clear, with a low around 71. Northeast wind around 5 mph becoming calm.
Tuesday
Sunny and hot, with a high near 92. Heat index values as high as 96. Calm wind.
Tuesday Night
Partly cloudy, with a low around 72. Calm wind.
Wednesday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 92. Calm wind becoming northwest around 5 mph.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 71. North wind around 5 mph becoming calm.
Thursday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Calm wind becoming north around 5 mph in the afternoon.
Thursday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 69.
Friday
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 85.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 69.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Knoxville TN
 36°N 83.91°W (Elev. 997 ft)
2:16 pm EDT Aug 18, 2025
3pm EDT Aug 18, 2025-6pm EDT Aug 24, 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