Super Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather from the Southern Plains to the Great Lakes

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, thunderstorms, and coastal impacts to the Marianas Islands into Wednesday. Typhoon conditions are likely over CNMI and tropical storm conditions over Guam. Severe thunderstorms and heavy rain are expected from the Southern Plains to the Great Lakes today. Read More >

Current conditions at

Knoxville Downtown Airport (KDKX)

Lat: 35.97°NLon: 83.87°WElev: 827ft.

Fair

70°F

21°C

Humidity 69%
Wind Speed Calm
Barometer 30.20 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 14 Apr 10:15 am EDT
Extended Forecast for

3 Miles E Heiskell TN

  • Today

    Today: Mostly sunny, with a high near 85. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 85 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 59. Southwest wind around 5 mph.

    Low: 59 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 86. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 86 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 59. Southwest wind around 5 mph.

    Low: 59 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers after 2pm.  Partly sunny, with a high near 85. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 25 mph.

    High: 85 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: A 40 percent chance of showers, mainly between 8pm and 2am.  Partly cloudy, with a low around 59. Southwest wind around 5 mph.

    Low: 59 °F

    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 87. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 87 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers after 2pm.  Partly sunny, with a high near 89.

    High: 89 °F

    Partly Sunny
    then Slight
    Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 85. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 59. Southwest wind around 5 mph.
Wednesday
Mostly sunny, with a high near 86. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 59. Southwest wind around 5 mph.
Thursday
A 20 percent chance of showers after 2pm. Partly sunny, with a high near 85. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 25 mph.
Thursday Night
A 40 percent chance of showers, mainly between 8pm and 2am. Partly cloudy, with a low around 59. Southwest wind around 5 mph.
Friday
Mostly sunny, with a high near 87. Calm wind becoming southwest around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 60.
Saturday
A 20 percent chance of showers after 2pm. Partly sunny, with a high near 89.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 52. Chance of precipitation is 50%.
Sunday
A 30 percent chance of showers. Partly sunny, with a high near 70.
Sunday Night
Mostly clear, with a low around 43.
Monday
Sunny, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Heiskell TN
 36.12°N 83.98°W (Elev. 892 ft)
7:06 am EDT Apr 14, 2026
10am EDT Apr 14, 2026-6pm EDT Apr 20, 2026
 
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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