Thunderstorms and Heavy Rains Across Portions of the Central and Eastern US; Heat Expands to Portions of the East

Widespread showers and thunderstorms, some severe, may produce heavy downpours and flash flooding across much of the eastern and central U.S. Dangerous heat will continue in the Pacific Northwest and expand across portions of the East. Deep tropical moisture and associated thunderstorms will bring heavy rainfall and localized flash flooding across portions of Florida into the central Gulf Coast. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Partly Cloudy

79°F

26°C

Humidity 79%
Wind Speed E 3 mph
Barometer 30.06 in (1016.6 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 16 Jul 12:53 am EDT
Extended Forecast for

7 Miles NW Tallassee TN

  • Overnight

    Overnight: Partly cloudy, with a low around 73. Calm wind.

    Low: 73 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms, mainly after 5pm.  Mostly sunny and hot, with a high near 92. Heat index values as high as 98. Calm wind becoming south around 5 mph in the afternoon.

    High: 92 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers and thunderstorms after 5am.  Partly cloudy, with a low around 75. South wind around 5 mph.  Chance of precipitation is 40%.

    Low: 75 °F

    Chance
    T-storms

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 11am.  Mostly sunny and hot, with a high near 92. Heat index values as high as 98. Southwest wind around 5 mph.  Chance of precipitation is 40%.

    High: 92 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms before 2am.  Partly cloudy, with a low around 75. South wind around 5 mph.

    Low: 75 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: Showers and thunderstorms likely, mainly between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm.  Mostly sunny and hot, with a high near 90. Calm wind becoming southwest around 5 mph in the afternoon.  Chance of precipitation is 60%.

    High: 90 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Friday Night

    Friday Night: Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am.  Mostly cloudy, with a low around 74. Southwest wind around 5 mph becoming calm.  Chance of precipitation is 60%.

    Low: 74 °F

    Showers
    Likely then
    Chance
    Showers

  • Saturday

    Saturday: A chance of thunderstorms, then showers and thunderstorms likely after 8am.  Mostly sunny, with a high near 89. Chance of precipitation is 70%.

    High: 89 °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 74. Chance of precipitation is 60%.

    Low: 74 °F

    T-storms
    Likely then
    Chance
    T-storms

Detailed Forecast

Overnight
Partly cloudy, with a low around 73. Calm wind.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny and hot, with a high near 92. Heat index values as high as 98. Calm wind becoming south around 5 mph in the afternoon.
Wednesday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 75. South wind around 5 mph. Chance of precipitation is 40%.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny and hot, with a high near 92. Heat index values as high as 98. Southwest wind around 5 mph. Chance of precipitation is 40%.
Thursday Night
A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 75. South wind around 5 mph.
Friday
Showers and thunderstorms likely, mainly between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly sunny and hot, with a high near 90. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 60%.
Friday Night
Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 74. Southwest wind around 5 mph becoming calm. Chance of precipitation is 60%.
Saturday
A chance of thunderstorms, then showers and thunderstorms likely after 8am. Mostly sunny, with a high near 89. Chance of precipitation is 70%.
Saturday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 74. Chance of precipitation is 60%.
Sunday
Showers and thunderstorms likely, mainly after 2pm. Mostly sunny and hot, with a high near 91. Chance of precipitation is 60%.
Sunday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 74. Chance of precipitation is 60%.
Monday
Showers and thunderstorms likely. Mostly sunny and hot, with a high near 91. Chance of precipitation is 60%.
Monday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 74. Chance of precipitation is 60%.
Tuesday
A 50 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 93.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles NW Tallassee TN
 35.63°N 84.03°W (Elev. 1001 ft)
1:38 am EDT Jul 16, 2025
1am EDT Jul 16, 2025-6pm EDT Jul 22, 2025
 
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Additional Resources

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Hourly Weather Forecast

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