Severe Thunderstorms and Heavy Rain in the Mid-Atlantic; Heat Persists Across the South

Scattered severe thunderstorms and excessive rainfall are possible into the night in the Mid Atlantic, and heavy rain will shift to Virginia and the Carolinas on Friday. Severe thunderstorms are also possible in the Central Plains into the Upper MS Valley and the Deep South tonight. Dangerous heat persists across the Southern Plains and Lower MS Valley and heat will expand into the Southwest. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Overcast

80°F

27°C

Humidity 76%
Wind Speed Calm
Barometer 30.03 in (1015.5 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 20 Aug 9:53 pm EDT
Extended Forecast for

Rockford TN

  • Tonight

    Tonight: Showers and thunderstorms before 2am, then a chance of showers.  Low around 70. Southwest wind around 5 mph becoming calm.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Showers then
    Chance
    T-storms

  • Friday

    Friday: A slight chance of showers before 2pm, then a slight chance of showers and thunderstorms between 2pm and 4pm.  Mostly cloudy, then gradually becoming sunny, with a high near 88. Heat index values as high as 95. Calm wind becoming west around 5 mph in the afternoon.  Chance of precipitation is 20%.

    High: 88 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A 10 percent chance of showers and thunderstorms before 8pm.  Partly cloudy, with a low around 68. North wind around 5 mph becoming calm.

    Low: 68 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 88. Calm wind becoming west around 5 mph in the afternoon.

    High: 88 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 66. West wind around 5 mph becoming calm  in the evening.

    Low: 66 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 86. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 86 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 63. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 63 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers after 2pm.  Sunny, with a high near 86.

    High: 86 °F

    Sunny then
    Slight Chance
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of showers.  Partly cloudy, with a low around 63.

    Low: 63 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
Showers and thunderstorms before 2am, then a chance of showers. Low around 70. Southwest wind around 5 mph becoming calm. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A slight chance of showers before 2pm, then a slight chance of showers and thunderstorms between 2pm and 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 88. Heat index values as high as 95. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 20%.
Friday Night
A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 68. North wind around 5 mph becoming calm.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 88. Calm wind becoming west around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 66. West wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 86. Calm wind becoming northwest around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 63. Northwest wind around 5 mph becoming calm in the evening.
Monday
A 20 percent chance of showers after 2pm. Sunny, with a high near 86.
Monday Night
A 20 percent chance of showers. Partly cloudy, with a low around 63.
Tuesday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88.
Tuesday Night
A 10 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 91.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Thursday
A 40 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
Rockford TN
 35.85°N 83.95°W (Elev. 906 ft)
7:06 pm EDT Aug 20, 2026
9pm EDT Aug 20, 2026-6pm EDT Aug 27, 2026
 
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Additional Resources

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