Tracking Severe Thunderstorms and Excessive Rainfall in the Southern U.S.; Winter Storm to Impact the Northern U.S.

A storm system will shift from eastern Texas into the lower Mississippi Valley Monday with additional threats of severe thunderstorms and heavy to excessive rainfall which may bring flooding. A Flood Watch remains in effect. In the northern U.S., a storm will bring heavy snow and gusty winds over parts of the northern Rockies, northern Plains, and Upper Midwest Monday into Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Fair

45°F

7°C

Humidity 86%
Wind Speed Calm
Barometer 30.16 in (1021.0 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 24 Nov 12:53 am EST
Extended Forecast for

2 Miles WSW Alcoa TN

  • Overnight

    Overnight: Patchy fog.  Otherwise, partly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Patchy Fog

  • Monday

    Monday: Patchy fog between 8am and 9am.  Otherwise, partly sunny, with a high near 67. Northeast wind around 5 mph becoming calm.

    High: 67 °F

    Patchy Fog
    then Partly
    Sunny

  • Monday Night

    Monday Night: A slight chance of showers before 1am, then a chance of showers after 4am.  Mostly cloudy, with a low around 53. South wind around 5 mph.  Chance of precipitation is 30%.

    Low: 53 °F

    Mostly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: Showers, with thunderstorms also possible after 1pm.  High near 67. South wind 10 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 90%.

    High: 67 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers.  Low around 55. Southwest wind 5 to 10 mph.  Chance of precipitation is 90%.

    Low: 55 °F

    Showers

  • Wednesday

    Wednesday: A 20 percent chance of showers before 1pm.  Mostly sunny, with a high near 61. West wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 61 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 31. West wind 5 to 10 mph.

    Low: 31 °F

    Mostly Clear

  • Thanksgiving Day

    Thanksgiving Day: Sunny, with a high near 46.

    High: 46 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy fog. Otherwise, partly cloudy, with a low around 41. Calm wind.
Monday
Patchy fog between 8am and 9am. Otherwise, partly sunny, with a high near 67. Northeast wind around 5 mph becoming calm.
Monday Night
A slight chance of showers before 1am, then a chance of showers after 4am. Mostly cloudy, with a low around 53. South wind around 5 mph. Chance of precipitation is 30%.
Tuesday
Showers, with thunderstorms also possible after 1pm. High near 67. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Tuesday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 55. Southwest wind 5 to 10 mph. Chance of precipitation is 90%.
Wednesday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 61. West wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 31. West wind 5 to 10 mph.
Thanksgiving Day
Sunny, with a high near 46.
Thursday Night
Mostly clear, with a low around 25.
Friday
Sunny, with a high near 45.
Friday Night
Partly cloudy, with a low around 27.
Saturday
Partly sunny, with a high near 49.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 35.
Sunday
A 50 percent chance of showers. Mostly cloudy, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Alcoa TN
 35.78°N 84.01°W (Elev. 958 ft)
12:31 am EST Nov 24, 2025
1am EST Nov 24, 2025-6pm EST Nov 30, 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