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

Severe Weather and Heavy Rainfall from the High Plains to the Ohio Valley; Heat Continuing in the Central Plains and Southeast

A stationary front will be the focus for daily showers and thunderstorms capable of widely scattered flash flooding and severe weather from the High Plains to the Ohio Valley. Monsoonal thunderstorms could cause local flash flooding across the Southwest and the Great Basin. Dangerous heat continues across the Central Plains and Southeast. Many areas will see their hottest temperatures of the year. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Partly Cloudy

86°F

30°C

Humidity 65%
Wind Speed NA
Barometer 29.97 in (1013.7 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 12 Aug 3:53 pm EDT
Extended Forecast for

5 Miles WSW Friendsville TN

Flood Watch August 12, 04:45pm until August 13, 08:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch August 12, 04:45pm until August 13, 08:00am

    NOW until 8:00am Thu

    Flood Watch

  • This Afternoon

    High: 89 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 10pm. Mostly cloudy, with a low around 73. Southwest wind around 5 mph becoming calm in the evening.

    Low: 73 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly before 2pm. Partly sunny and hot, with a high near 90. Heat index values as high as 102. South wind around 5 mph.

    High: 90 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 10 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 74. Calm wind.

    Low: 74 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 92. Calm wind becoming west around 5 mph.

    High: 92 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 75. Calm wind.

    Low: 75 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 93. Calm wind.

    High: 93 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 74.

    Low: 74 °F

    Slight Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. Heat index values as high as 99. Southwest wind around 5 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 10pm. Mostly cloudy, with a low around 73. Southwest wind around 5 mph becoming calm in the evening.
Thursday
A 30 percent chance of showers and thunderstorms, mainly before 2pm. Partly sunny and hot, with a high near 90. Heat index values as high as 102. South wind around 5 mph.
Thursday Night
A 10 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 74. Calm wind.
Friday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 92. Calm wind becoming west around 5 mph.
Friday Night
A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 75. Calm wind.
Saturday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 93. Calm wind.
Saturday Night
A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 74.
Sunday
Mostly sunny and hot, with a high near 94.
Sunday Night
Mostly clear, with a low around 75.
Monday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 95.
Monday Night
A 10 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 92.
Tuesday Night
A 10 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny and hot, with a high near 91.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WSW Friendsville TN
 35.73°N 84.21°W (Elev. 994 ft)
Last Update:
2:25 pm EDT Aug 12, 2026
Forecast Valid:
4pm EDT Aug 12, 2026-6pm EDT Aug 19, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation