Severe Thunderstorms and Heavy Rain in the Southern U.S.; Snow in the Northern Rockies and Northern Plains

A storm system will shift from eastern Texas into the lower Mississippi Valley today with additional threats of severe thunderstorms and heavy to excessive rainfall which may bring flooding. 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 today into Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville Downtown Airport (KDKX)

Lat: 35.97°NLon: 83.87°WElev: 827ft.

Fair

68°F

20°C

Humidity 46%
Wind Speed Calm
Barometer 30.08 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 24 Nov 3:35 pm EST
Extended Forecast for

3 Miles E Heiskell TN

  • Tonight

    Tonight: A slight chance of showers before 2am, then a chance of showers after 4am.  Mostly cloudy, with a low around 52. Calm wind becoming southeast around 5 mph.  Chance of precipitation is 30%.

    Low: 52 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Showers, with thunderstorms also possible after 4pm.  High near 67. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 67 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 1am, then showers likely.  Low around 52. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 52 °F

    Showers

  • Wednesday

    Wednesday: A 20 percent chance of showers before 1pm.  Mostly sunny, with a high near 60. West wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 60 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 30. West wind around 5 mph.

    Low: 30 °F

    Partly Cloudy

  • Thanksgiving Day

    Thanksgiving Day: Sunny, with a high near 46. Light west wind increasing to 5 to 10 mph in the morning.

    High: 46 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 23. West wind around 5 mph becoming calm  in the evening.

    Low: 23 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 43.

    High: 43 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of showers before 2am, then a chance of showers after 4am. Mostly cloudy, with a low around 52. Calm wind becoming southeast around 5 mph. Chance of precipitation is 30%.
Tuesday
Showers, with thunderstorms also possible after 4pm. High near 67. Southwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Showers and possibly a thunderstorm before 1am, then showers likely. Low around 52. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 60. West wind 5 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 30. West wind around 5 mph.
Thanksgiving Day
Sunny, with a high near 46. Light west wind increasing to 5 to 10 mph in the morning.
Thursday Night
Mostly clear, with a low around 23. West wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 43.
Friday Night
Partly cloudy, with a low around 24.
Saturday
Partly sunny, with a high near 48.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 35.
Sunday
A 40 percent chance of showers. Mostly cloudy, with a high near 54.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 40.
Monday
A 50 percent chance of showers. Mostly cloudy, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Heiskell TN
 36.12°N 83.98°W (Elev. 892 ft)
12:31 pm EST Nov 24, 2025
4pm EST Nov 24, 2025-6pm EST Dec 1, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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