Heavy Rain in the Southeast; Wintry Mix from the Plains through the Ohio Valley

A storm system will bring a number impacts to the central and eastern US. Heavy rain and thunderstorms are expected in the Gulf Coast and Deep South. Further north, a wintry mix may produce a glaze of ice from the Ozarks/Mid-South east through the Ohio Valley. Accumulating snow is expected from the central Plains east into the Upper Ohio Valley/Lower Great Lakes. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Overcast

44°F

7°C

Humidity 58%
Wind Speed N 3 mph
Barometer 30.11 in (1020.1 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 1 Dec 3:53 pm EST
Extended Forecast for

Alcoa TN

  • Tonight

    Tonight: Rain, mainly after 8pm.  Patchy fog after 1am. Low around 39. Calm wind becoming northwest around 5 mph.  Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 39 °F

    Rain and
    Patchy Fog

  • Tuesday

    Tuesday: Rain likely, mainly before 9am.  Patchy fog before noon.  Otherwise, cloudy, with a high near 44. Southwest wind around 5 mph becoming north in the morning.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 44 °F

    Rain Likely
    and Patchy
    Fog then
    Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 26. North wind around 5 mph becoming calm  after midnight.

    Low: 26 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 48. Calm wind.

    High: 48 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 31. Calm wind.

    Low: 31 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 48. Calm wind becoming north around 5 mph in the afternoon.

    High: 48 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A 20 percent chance of rain after 1am.  Mostly cloudy, with a low around 32. North wind around 5 mph becoming calm  in the evening.

    Low: 32 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Friday

    Friday: A 50 percent chance of rain.  Cloudy, with a high near 46.

    High: 46 °F

    Chance Rain

  • Friday Night

    Friday Night: A 50 percent chance of rain.  Cloudy, with a low around 38.

    Low: 38 °F

    Chance Rain

Detailed Forecast

Tonight
Rain, mainly after 8pm. Patchy fog after 1am. Low around 39. Calm wind becoming northwest around 5 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday
Rain likely, mainly before 9am. Patchy fog before noon. Otherwise, cloudy, with a high near 44. Southwest wind around 5 mph becoming north in the morning. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Mostly cloudy, with a low around 26. North wind around 5 mph becoming calm after midnight.
Wednesday
Sunny, with a high near 48. Calm wind.
Wednesday Night
Partly cloudy, with a low around 31. Calm wind.
Thursday
Mostly cloudy, with a high near 48. Calm wind becoming north around 5 mph in the afternoon.
Thursday Night
A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 32. North wind around 5 mph becoming calm in the evening.
Friday
A 50 percent chance of rain. Cloudy, with a high near 46.
Friday Night
A 50 percent chance of rain. Cloudy, with a low around 38.
Saturday
A 30 percent chance of rain, mainly before 1pm. Mostly cloudy, with a high near 51.
Saturday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 35.
Sunday
Partly sunny, with a high near 52.
Sunday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 32.
Monday
Partly sunny, with a high near 47.
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ABOUT THIS FORECAST

 
Point Forecast:
Alcoa TN
 35.8°N 83.96°W (Elev. 856 ft)
2:21 pm EST Dec 1, 2025
4pm EST Dec 1, 2025-6pm EST Dec 8, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database