Heat Wave Expands to the East Coast; Flash Flooding Likely in the Central Plains into the Midwest; Severe Thunderstorms in the Northeast

Dangerous, prolonged heat is ongoing in the Mid-South to Mid-Mississippi Valley and heat expands into the Northeast for a brief period today. Widely scattered instances of flash flooding due to heavy rains are forecast from northeast Kansas to much of Indiana. Scattered strong to severe thunderstorms are possible across parts of New England, northern Mid-Atlantic, and North Dakota. Read More >

Current conditions at

Knoxville Downtown Airport (KDKX)

Lat: 35.97°NLon: 83.87°WElev: 827ft.

Fair

77°F

25°C

Humidity 100%
Wind Speed Calm
Barometer 30.15 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 26 Jul 8:35 am EDT
Extended Forecast for

2 Miles NE Knoxville TN

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly after 5pm.  Sunny and hot, with a high near 94. Heat index values as high as 100. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 94 °F

    Sunny then
    Chance
    T-storms

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 7pm.  Mostly clear, with a low around 75. Southwest wind around 5 mph becoming calm  in the evening.

    Low: 75 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after 2pm.  Mostly sunny and hot, with a high near 94. Heat index values as high as 102. Calm wind becoming west around 5 mph in the afternoon.

    High: 94 °F

    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 76. West wind around 5 mph becoming calm.

    Low: 76 °F

    Chance
    T-storms

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms after 2pm.  Mostly sunny and hot, with a high near 95. Calm wind becoming west around 5 mph.

    High: 95 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm.  Partly cloudy, with a low around 75. Calm wind.

    Low: 75 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 2pm.  Mostly sunny and hot, with a high near 97. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 97 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before 8pm.  Partly cloudy, with a low around 75.

    Low: 75 °F

    Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms after 2pm.  Mostly sunny and hot, with a high near 97.

    High: 97 °F

    Sunny then
    Chance
    T-storms

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Sunny and hot, with a high near 94. Heat index values as high as 100. Calm wind becoming southwest around 5 mph in the afternoon.
Tonight
A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 75. Southwest wind around 5 mph becoming calm in the evening.
Sunday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 94. Heat index values as high as 102. Calm wind becoming west around 5 mph in the afternoon.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 76. West wind around 5 mph becoming calm.
Monday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 95. Calm wind becoming west around 5 mph.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 75. Calm wind.
Tuesday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 97. Calm wind becoming northeast around 5 mph in the afternoon.
Tuesday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 75.
Wednesday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 97.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 75. Chance of precipitation is 40%.
Thursday
Showers and thunderstorms likely. Partly sunny and hot, with a high near 92. Chance of precipitation is 70%.
Thursday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 72. Chance of precipitation is 60%.
Friday
Showers and thunderstorms likely. Partly sunny, with a high near 85. Chance of precipitation is 60%.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NE Knoxville TN
 36°N 83.91°W (Elev. 997 ft)
7:07 am EDT Jul 26, 2025
8am EDT Jul 26, 2025-6pm EDT Aug 1, 2025
 
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