Severe Thunderstorms and Heavy Rain Possible Across the Central U.S.; Additional Flash Flooding Potential in the Mid-Atlantic

Strong thunderstorms are forecast across parts of the Central Plains and Midwest today with damaging wind gusts, large hail, and heavy rainfall the primary threats. Heavy rain and scattered flash flooding is also possible across the Carolinas into Virginia. Elevated to critical fire weather concerns in the Four Corners region as Extreme Heat Warnings remain in effect across the Desert Southwest. Read More >

Hazardous Weather Conditions

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 29.96 in
Dewpoint 77°F (25°C)
Visibility 9.00 mi
Heat Index78°F (26°C)
Last update 10 Jul 7:35 pm EDT
Extended Forecast for

4 Miles WNW Seymour TN

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly before 8pm.  Patchy fog after 4am.  Otherwise, partly cloudy, with a low around 71. Calm wind.  New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 71 °F

    Chance
    T-storms then
    Patchy Fog

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly after 2pm.  Patchy fog before 9am.  Otherwise, mostly sunny, with a high near 89. Heat index values as high as 97. Calm wind.

    High: 89 °F

    Chance
    T-storms and
    Patchy Fog

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms before 8pm.  Partly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms, mainly after 2pm.  Mostly sunny and hot, with a high near 91. Heat index values as high as 100. Calm wind becoming west around 5 mph.

    High: 91 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers.  Partly cloudy, with a low around 72. Southwest wind around 5 mph becoming calm.  Chance of precipitation is 30%.

    Low: 72 °F

    Chance
    T-storms

  • Sunday

    Sunday: A slight chance of showers, then a chance of showers and thunderstorms after 11am.  Mostly sunny and hot, with a high near 91. Calm wind becoming west around 5 mph in the afternoon.  Chance of precipitation is 50%.

    High: 91 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms before 2am.  Mostly cloudy, with a low around 71. Southwest wind around 5 mph becoming calm.

    Low: 71 °F

    Chance
    T-storms

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms, mainly after 2pm.  Partly sunny and hot, with a high near 91.

    High: 91 °F

    Slight Chance
    T-storms 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 71.

    Low: 71 °F

    Chance
    T-storms

Detailed Forecast

Tonight
A 50 percent chance of showers and thunderstorms, mainly before 8pm. Patchy fog after 4am. Otherwise, partly cloudy, with a low around 71. Calm wind. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 89. Heat index values as high as 97. Calm wind.
Friday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 71. Calm wind.
Saturday
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny and hot, with a high near 91. Heat index values as high as 100. Calm wind becoming west around 5 mph.
Saturday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers. Partly cloudy, with a low around 72. Southwest wind around 5 mph becoming calm. Chance of precipitation is 30%.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny and hot, with a high near 91. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 50%.
Sunday Night
A 30 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 71. Southwest wind around 5 mph becoming calm.
Monday
A 50 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny and hot, with a high near 91.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 71.
Tuesday
A 30 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 93.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 92.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Thursday
A 50 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Seymour TN
 35.88°N 83.84°W (Elev. 925 ft)
7:16 pm EDT Jul 10, 2025
7pm EDT Jul 10, 2025-6pm EDT Jul 17, 2025
 
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Additional Resources

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