Notice of NWS' New Version of Forecast
A new version of Forecast is coming soon!
Click here to visit the new site for details.

Storm system to bring heavy rainfall and the potential for flash flooding over the southern Mid Atlantic and Southeast U.S.

A slow moving low pressure system will bring the threat for heavy rainfall, flash flooding, and a few strong to severe thunderstorms into Tuesday. The main threat areas include the southern Mid Atlantic and Southeast U.S. Excessive runoff may lead to flooding of low lying areas, rivers, and streams. Read More >

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Overcast

12°C

54°F

Humidity 90%
Wind Speed N 13 km/h
Barometer 1009.0 mb (29.81 in)
Dewpoint 11°C (51°F)
Visibility 16 km
Wind Chill11°C (52°F)
Last update 24 Apr 12:53 am EDT
Extended Forecast for

Knoxville TN

Flash Flood Watch until April 24, 08:00am
Flood Warning until April 24, 06:30am
Click here for hazard details and duration
Flash Flood Watch
Flood Warning
  •  
    Flash Flood Watch until April 24, 08:00am
    Flood Warning until April 24, 06:30am

    NOW: Multiple
    hazards in effect

    Click HERE for Details

  • Overnight

    Overnight: A 50 percent chance of showers.  Cloudy, with a low around 11. Northeast wind around 15 km/h.  New precipitation amounts between 1 and 2.5 mm possible.

    Chance
    Showers

    Low: 11 °C

  • Monday

    Monday: A 30 percent chance of showers.  Mostly cloudy, with a high near 21. Northeast wind around 10 km/h.

    Chance
    Showers

    High: 21 °C

  • Monday
    Night

    Monday Night: Mostly cloudy, with a low around 12. Northeast wind 5 to 10 km/h.

    Mostly Cloudy

    Low: 12 °C

  • Tuesday

    Tuesday: Mostly sunny, with a high near 25. North wind 5 to 10 km/h becoming east in the afternoon.

    Mostly Sunny

    High: 25 °C

  • Tuesday
    Night

    Tuesday Night: Mostly clear, with a low around 13. Calm wind.

    Mostly Clear

    Low: 13 °C

  • Wednesday

    Wednesday: Sunny, with a high near 28.

    Sunny

    High: 28 °C

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 16.

    Partly Cloudy

    Low: 16 °C

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms.  Partly sunny, with a high near 26.

    Chance
    Showers

    High: 26 °C

Detailed Forecast

Overnight
A 50 percent chance of showers. Cloudy, with a low around 11. Northeast wind around 15 km/h. New precipitation amounts between 1 and 2.5 mm possible.
Monday
A 30 percent chance of showers. Mostly cloudy, with a high near 21. Northeast wind around 10 km/h.
Monday Night
Mostly cloudy, with a low around 12. Northeast wind 5 to 10 km/h.
Tuesday
Mostly sunny, with a high near 25. North wind 5 to 10 km/h becoming east in the afternoon.
Tuesday Night
Mostly clear, with a low around 13. Calm wind.
Wednesday
Sunny, with a high near 28.
Wednesday Night
Partly cloudy, with a low around 16.
Thursday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 26.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 16.
Friday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 28.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 17.
Saturday
Mostly sunny, with a high near 30.
Saturday Night
Partly cloudy, with a low around 18.
Sunday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 28.
Click Map For Forecast
Point Forecast:
Knoxville TN
 35.98°N 83.94°W (Elev. 287 m)
9:14 pm EDT Apr 23, 2017
1am EDT Apr 24, 2017-6pm EDT Apr 30, 2017
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database