National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Record Heat Remains in Place This Week; Severe Thunderstorms Possible Thursday

Record warmth will persist across portions of California, the Southwest U.S., the central Great Basin and return back to areas of the central/southern Plains and mid-lower Mississippi Valley this week. Over 200 new record high temperatures are forecast. Severe thunderstorms are being outlooked on Thursday over the Midwest. Read More >

Current conditions at

Knoxville Downtown Airport (KDKX)

Lat: 35.97°NLon: 83.87°WElev: 827ft.

Overcast

57°F

14°C

Humidity 72%
Wind Speed Vrbl 5 G 14 mph
Barometer 30.14 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 23 Mar 12:15 pm EDT
Extended Forecast for

Seymour TN

  • This Afternoon

    This Afternoon: Mostly cloudy, then gradually becoming sunny, with a high near 66. North wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 66 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Increasing clouds, with a low around 39. Northeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 39 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Partly sunny, with a high near 63. Northeast wind 5 to 10 mph becoming light north in the afternoon.

    High: 63 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A 10 percent chance of showers before 8am. Partly sunny, with a high near 66. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 66 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 49. Southwest wind around 5 mph.

    Low: 49 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 77. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 77 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Friday

    Friday: A 40 percent chance of showers, mainly after 2pm. Partly sunny, with a high near 75.

    High: 75 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Mostly cloudy, then gradually becoming sunny, with a high near 66. North wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
Increasing clouds, with a low around 39. Northeast wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Partly sunny, with a high near 63. Northeast wind 5 to 10 mph becoming light north in the afternoon.
Tuesday Night
A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 42. Calm wind.
Wednesday
A 10 percent chance of showers before 8am. Partly sunny, with a high near 66. Calm wind becoming southwest around 5 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 49. Southwest wind around 5 mph.
Thursday
Mostly sunny, with a high near 77. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 59.
Friday
A 40 percent chance of showers, mainly after 2pm. Partly sunny, with a high near 75.
Friday Night
A 40 percent chance of showers, mainly before 2am. Mostly cloudy, with a low around 40.
Saturday
A 10 percent chance of showers. Mostly sunny, with a high near 58.
Saturday Night
Mostly clear, with a low around 35.
Sunday
Sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Seymour TN
 35.88°N 83.76°W (Elev. 1086 ft)
Last Update:
7:06 am EDT Mar 23, 2026
Forecast Valid:
12pm EDT Mar 23, 2026-6pm EDT Mar 29, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation