Severe Weather in the Plains; Heavy Rainfall in the Ohio and Tennessee Valleys; Heat Wave in the Central U.S.

Numerous severe storms with a potential for severe wind gusts, tornadoes (some potentially strong), and very large hail are expected in parts of the central and northern Plains. Heavy rainfall may bring a flooding threat to parts of the northern Plains and from the Ohio Valley to the Southeast. Fire weather concerns persist in the Four Corners Region. Hot and humid expected in the central U.S.. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Overcast

72°F

22°C

Humidity 94%
Wind Speed SW 7 mph
Barometer 30.21 in (1022.2 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 9 Jun 8:53 am EDT
Extended Forecast for

Alcoa TN

  • Today

    Today: A chance of showers, then showers and thunderstorms likely after 11am.  Partly sunny, with a high near 86. Light south wind becoming southwest 5 to 10 mph in the morning.  Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    T-storms
    Likely

  • Tonight

    Tonight: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and midnight.  Mostly cloudy, with a low around 70. Southwest wind around 5 mph.  Chance of precipitation is 30%.

    Low: 70 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms, mainly after 2pm.  Partly sunny, with a high near 89. Heat index values as high as 98. Southwest wind 5 to 10 mph.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 89 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 10 percent chance of showers and thunderstorms before 7pm.  Mostly clear, with a low around 71. South wind around 5 mph.

    Low: 71 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 2pm.  Sunny and hot, with a high near 91. Calm wind becoming southwest around 5 mph in the morning.

    High: 91 °F

    Sunny then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A 10 percent chance of showers and thunderstorms before 8pm.  Mostly clear, with a low around 72. Southwest wind around 5 mph.

    Low: 72 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm.  Mostly sunny and hot, with a high near 91. West wind 5 to 10 mph.  Chance of precipitation is 70%.

    High: 91 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am.  Mostly cloudy, with a low around 69. Chance of precipitation is 60%.

    Low: 69 °F

    Showers
    Likely then
    Chance
    T-storms

  • Saturday

    Saturday: A slight chance of showers, with thunderstorms also possible after 2pm.  Partly sunny, with a high near 87. Chance of precipitation is 20%.

    High: 87 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

Detailed Forecast

Today
A chance of showers, then showers and thunderstorms likely after 11am. Partly sunny, with a high near 86. Light south wind becoming southwest 5 to 10 mph in the morning. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and midnight. Mostly cloudy, with a low around 70. Southwest wind around 5 mph. Chance of precipitation is 30%.
Wednesday
A 50 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 89. Heat index values as high as 98. Southwest wind 5 to 10 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 71. South wind around 5 mph.
Thursday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 91. Calm wind becoming southwest around 5 mph in the morning.
Thursday Night
A 10 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 72. Southwest wind around 5 mph.
Friday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny and hot, with a high near 91. West wind 5 to 10 mph. Chance of precipitation is 70%.
Friday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.
Saturday
A slight chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 20%.
Saturday Night
A slight chance of thunderstorms before 8pm, then a slight chance of showers after 2am. Partly cloudy, with a low around 66. Chance of precipitation is 20%.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Sunday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Monday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 84. Chance of precipitation is 70%.
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ABOUT THIS FORECAST

 
Point Forecast:
Alcoa TN
 35.78°N 83.99°W (Elev. 869 ft)
7:06 am EDT Jun 9, 2026
8am EDT Jun 9, 2026-6pm EDT Jun 15, 2026
 
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Additional Resources

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