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

Heavy Rainfall and Flooding Threats in the Midwest and Ohio Valley; Heat Continues in the Plains and Southeast

An active pattern will continue to bring heavy to excessive rainfall and flash flooding threats to the Midwest and Ohio Valley over the next couple of days. Dangerous heat continues across the central/southern Plains and Southeast U.S. into next week. There is potential for record-tying/breaking temperatures with many areas forecast to see their hottest temperatures so far this year. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Partly Cloudy

76°F

24°C

Humidity 88%
Wind Speed SW 6 mph
Barometer 29.96 in (1013.3 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 13 Aug 3:53 am EDT
Extended Forecast for

Townsend TN

Flood Watch August 13, 03:59am until August 13, 08:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch August 13, 03:59am until August 13, 08:00am

    NOW until 8:00am Thu

    Flood Watch

  • Overnight

    Low: 72 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny and hot, with a high near 91. Heat index values as high as 100. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 91 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 73. Calm wind.

    Low: 73 °F

    Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms, mainly before 4pm. Mostly sunny and hot, with a high near 93. Heat index values as high as 103. Calm wind becoming west around 5 mph.

    High: 93 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms between 7pm and 8pm. Partly cloudy, with a low around 74. Calm wind. Chance of precipitation is 10%.

    Low: 74 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny and hot, with a high near 94. Calm wind. Chance of precipitation is 50%.

    High: 94 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 73. Calm wind. Chance of precipitation is 30%.

    Low: 73 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 95.

    High: 95 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

Overnight
A 20 percent chance of showers before 4am. Partly cloudy, with a low around 72. Calm wind.
Thursday
A 40 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny and hot, with a high near 91. Heat index values as high as 100. Calm wind becoming southwest around 5 mph in the afternoon.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 73. Calm wind.
Friday
A 40 percent chance of showers and thunderstorms, mainly before 4pm. Mostly sunny and hot, with a high near 93. Heat index values as high as 103. Calm wind becoming west around 5 mph.
Friday Night
A slight chance of showers and thunderstorms between 7pm and 8pm. Partly cloudy, with a low around 74. Calm wind. Chance of precipitation is 10%.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny and hot, with a high near 94. Calm wind. Chance of precipitation is 50%.
Saturday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 73. Calm wind. Chance of precipitation is 30%.
Sunday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 95.
Sunday Night
A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 74.
Monday
A 30 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 96.
Monday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Tuesday
A 50 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 92.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 92.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Townsend TN
 35.68°N 83.75°W (Elev. 1093 ft)
Last Update:
2:26 am EDT Aug 13, 2026
Forecast Valid:
3am EDT Aug 13, 2026-6pm EDT Aug 19, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation