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

Heavy Rain From the Central Plains to the Mid-Atlantic; Heat Wave Begins This Weekend

Strong to severe thunderstorms and heavy rain will impact portions of the central Plains into the Upper Midwest and the Mid-Atlantic through the weekend. A stretch of unusually hot and humid weather is expected across portions of the central U.S. and the Southeast beginning this weekend and continuing through next week. The heat may reach dangerous levels, particularly mid to late next week. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville Downtown Airport (KDKX)

Lat: 35.97°NLon: 83.87°WElev: 827ft.

Mostly Cloudy

79°F

26°C

Humidity 94%
Wind Speed SW 8 mph
Barometer 30.09 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 19 Jul 8:55 pm EDT
Extended Forecast for

4 Miles SSE Halls TN

  • Tonight

    Tonight: A chance of showers and thunderstorms before midnight, then a slight chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 73. Southwest wind around 5 mph. Chance of precipitation is 30%.

    Low: 73 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny and hot, with a high near 90. Heat index values as high as 98. Southwest wind around 5 mph.

    High: 90 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely, mainly before 8pm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 74. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 74 °F

    Heavy Rain
    then Chance
    Showers

  • Monday

    Monday: Showers and thunderstorms likely, mainly after 2pm. Partly sunny and hot, with a high near 91. Heat index values as high as 98. Calm wind becoming west around 5 mph. Chance of precipitation is 70%.

    High: 91 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Monday Night

    Monday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 73. North wind around 5 mph becoming calm. Chance of precipitation is 60%.

    Low: 73 °F

    T-storms
    Likely then
    Chance
    Showers

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 92. Calm wind becoming northeast around 5 mph.

    High: 92 °F

    Partly 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 72. Calm wind.

    Low: 72 °F

    Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 93.

    High: 93 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 10 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 72.

    Low: 72 °F

    Slight Chance
    T-storms then
    Mostly Clear

Detailed Forecast

Tonight
A chance of showers and thunderstorms before midnight, then a slight chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 73. Southwest wind around 5 mph. Chance of precipitation is 30%.
Sunday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny and hot, with a high near 90. Heat index values as high as 98. Southwest wind around 5 mph.
Sunday Night
Showers and thunderstorms likely, mainly before 8pm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 74. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Showers and thunderstorms likely, mainly after 2pm. Partly sunny and hot, with a high near 91. Heat index values as high as 98. Calm wind becoming west around 5 mph. Chance of precipitation is 70%.
Monday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 73. North wind around 5 mph becoming calm. Chance of precipitation is 60%.
Tuesday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 92. Calm wind becoming northeast around 5 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 72. Calm wind.
Wednesday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 93.
Wednesday Night
A 10 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 72.
Thursday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 94.
Thursday Night
A 10 percent chance of showers and thunderstorms. Mostly clear, with a low around 73.
Friday
A 30 percent chance of showers and thunderstorms. Sunny and hot, with a high near 94.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 73.
Saturday
A 40 percent chance of showers and thunderstorms. Sunny and hot, with a high near 94.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Halls TN
 36.02°N 83.91°W (Elev. 1115 ft)
Last Update:
7:09 pm EDT Jul 19, 2025
Forecast Valid:
9pm EDT Jul 19, 2025-6pm EDT Jul 26, 2025
 
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Additional Resources

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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