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

Severe Weather Threats Across the Plains; Dangerous Heat and Wildfire Concerns for the West; Watching the Tropics

Severe thunderstorms are expected across the Central Plains accompanied by damaging wind gusts and large hail. In addition, heavy rainfall may lead to instances of flash flooding from the Plains and mid-Atlantic regions. The heavy rainfall threat continues across Florida and across the northern Gulf as we monitor a tropical disturbance tracking westward. Critical fire weather for the Great Basin. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Partly Cloudy

92°F

33°C

Humidity 43%
Wind Speed W 7 mph
Barometer 29.99 in (1014.2 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 15 Jul 6:53 pm EDT
Extended Forecast for

4 Miles SW Tallassee TN

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly before 10pm. Partly cloudy, with a low around 71. Calm wind becoming southeast around 5 mph.

    Low: 71 °F

    Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny and hot, with a high near 92. Heat index values as high as 101. Southeast wind around 5 mph becoming calm. New rainfall amounts between a quarter and half of an inch possible.

    High: 92 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 72. Calm wind becoming southeast around 5 mph.

    Low: 72 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers, then showers and thunderstorms likely after 11am. Mostly sunny and hot, with a high near 91. Heat index values as high as 99. Southwest wind around 5 mph. Chance of precipitation is 60%.

    High: 91 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely before 2am, then a slight chance of showers. Mostly cloudy, with a low around 72. Calm wind becoming south around 5 mph. Chance of precipitation is 60%.

    Low: 72 °F

    T-storms
    Likely then
    Chance
    Showers

  • Friday

    Friday: A slight chance of showers, then showers and thunderstorms likely after 8am. Mostly sunny and hot, with a high near 91. Calm wind. Chance of precipitation is 70%.

    High: 91 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Friday Night

    Friday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 71. Calm wind. Chance of precipitation is 60%.

    Low: 71 °F

    T-storms
    Likely then
    Chance
    T-storms

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly after 2pm. Mostly sunny and hot, with a high near 90. Chance of precipitation is 60%.

    High: 90 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.

    Low: 71 °F

    T-storms
    Likely then
    Slight Chance
    T-storms

Detailed Forecast

Tonight
A 40 percent chance of showers and thunderstorms, mainly before 10pm. Partly cloudy, with a low around 71. Calm wind becoming southeast around 5 mph.
Wednesday
A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny and hot, with a high near 92. Heat index values as high as 101. Southeast wind around 5 mph becoming calm. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
A 40 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 72. Calm wind becoming southeast around 5 mph.
Thursday
A slight chance of showers, then showers and thunderstorms likely after 11am. Mostly sunny and hot, with a high near 91. Heat index values as high as 99. Southwest wind around 5 mph. Chance of precipitation is 60%.
Thursday Night
Showers and thunderstorms likely before 2am, then a slight chance of showers. Mostly cloudy, with a low around 72. Calm wind becoming south around 5 mph. Chance of precipitation is 60%.
Friday
A slight chance of showers, then showers and thunderstorms likely after 8am. Mostly sunny and hot, with a high near 91. Calm wind. Chance of precipitation is 70%.
Friday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 71. Calm wind. Chance of precipitation is 60%.
Saturday
Showers and thunderstorms likely, mainly after 2pm. Mostly sunny and hot, with a high near 90. Chance of precipitation is 60%.
Saturday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.
Sunday
Showers and thunderstorms likely, mainly after 2pm. Mostly sunny and hot, with a high near 92. Chance of precipitation is 60%.
Sunday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 72. Chance of precipitation is 60%.
Monday
Showers and thunderstorms likely. Mostly sunny and hot, with a high near 92. Chance of precipitation is 70%.
Monday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 72. Chance of precipitation is 60%.
Tuesday
Showers and thunderstorms likely. Mostly sunny and hot, with a high near 93. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Tallassee TN
 35.49°N 83.99°W (Elev. 899 ft)
Last Update:
1:42 pm EDT Jul 15, 2025
Forecast Valid:
7pm EDT Jul 15, 2025-6pm EDT Jul 22, 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