Severe Weather in the Central U.S.; Heavy Rain in the Ohio Valley and Mid-Atlantic

Scattered severe thunderstorms capable of producing severe gusts, large hail, and perhaps a couple tornadoes are forecast from the north-central High Plains into the Upper Mississippi Valley. Widespread thunderstorms may produce excessive rainfall across portions of the Ohio Valley and Mid-Atlantic. Hot conditions and Critical Fire Weather looms over the Great Basin and Southwest through midweek. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Overcast

75°F

24°C

Humidity 82%
Wind Speed SW 17 G 24 mph
Barometer 30.08 in (1017.2 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 16 Jun 8:53 am EDT
Extended Forecast for

Alcoa TN

  • Today

    Today: Showers and thunderstorms likely, mainly between 2pm and 5pm.  Partly sunny, with a high near 86. Southwest wind around 5 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Tonight

    Tonight: Showers and thunderstorms likely before 3am, then a slight chance of showers between 3am and 5am, then a slight chance of showers and thunderstorms after 5am.  Mostly cloudy, with a low around 70. South wind around 5 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    T-storms
    Likely then
    Chance
    Showers

  • Tuesday

    Tuesday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 5pm.  High near 85. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Chance
    T-storms then
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm, mainly before 2am, then a chance of showers and thunderstorms after 2am.  Low around 71. Southwest wind 5 to 10 mph.  Chance of precipitation is 80%.

    Low: 71 °F

    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly after 2pm.  Partly sunny, with a high near 87. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%.

    High: 87 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely, mainly before 8pm.  Partly cloudy, with a low around 72. Southwest wind 5 to 10 mph.  Chance of precipitation is 60%.

    Low: 72 °F

    T-storms
    Likely

  • Juneteenth

    Juneteenth: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm.  High near 86. Southwest wind around 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 80%.

    High: 86 °F

    Chance
    T-storms then
    T-storms

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am.  Low around 69. Chance of precipitation is 80%.

    Low: 69 °F

    T-storms then
    Chance
    T-storms

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 87.

    High: 87 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Today
Showers and thunderstorms likely, mainly between 2pm and 5pm. Partly sunny, with a high near 86. Southwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely before 3am, then a slight chance of showers between 3am and 5am, then a slight chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 70. South wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 5pm. High near 85. Southwest wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers and possibly a thunderstorm, mainly before 2am, then a chance of showers and thunderstorms after 2am. Low around 71. Southwest wind 5 to 10 mph. Chance of precipitation is 80%.
Wednesday
Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 87. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Wednesday Night
Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 72. Southwest wind 5 to 10 mph. Chance of precipitation is 60%.
Juneteenth
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 86. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Thursday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Low around 69. Chance of precipitation is 80%.
Friday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87.
Friday Night
A 10 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 68.
Saturday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 91.
Saturday Night
A 10 percent chance of showers and thunderstorms. Mostly clear, with a low around 71.
Sunday
A 30 percent chance of showers and thunderstorms. Sunny and hot, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
Alcoa TN
 35.8°N 83.98°W (Elev. 955 ft)
9:09 am EDT Jun 16, 2025
9am EDT Jun 16, 2025-6pm EDT Jun 22, 2025
 
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Additional Resources

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Hourly Weather Forecast

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