Heat Wave Persists Over the Central U.S.; Significant Flooding Expected in the Northern Mid-Atlantic Tuesday

Dangerous and extreme heat will remain across portions of the Central U.S. this week, persisting across the Mid to Lower Mississippi Valleys, Gulf Coast, Southern Plains and portions of Texas. A heat wave over the Southwest will intensify late this week. Severe thunderstorms and flash flooding will spread from the Great Lakes/Ohio Valley to the Mid-Atlantic and Northeast the next few days. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Overcast

79°F

26°C

Humidity 85%
Wind Speed Calm
Barometer 29.89 in (1010.7 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 28 Jul 12:53 am EDT
Extended Forecast for

2 Miles WNW Friendsville TN

  • Overnight

    Overnight: A 30 percent chance of showers after 5am.  Mostly cloudy, with a low around 73. Calm wind.

    Low: 73 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Showers and thunderstorms likely, mainly between 3pm and 5pm, then showers likely and possibly a thunderstorm after 5pm.  Mostly sunny and hot, with a high near 92. Heat index values as high as 103. West wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 92 °F

    Chance
    Showers then
    T-storms
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am.  Partly cloudy, with a low around 71. West wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 71 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 86. Calm wind becoming north around 5 mph in the afternoon.

    High: 86 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 65. North wind around 5 mph becoming calm  in the evening.

    Low: 65 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 85. North wind around 5 mph.

    High: 85 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 64. Northeast wind around 5 mph becoming calm.

    Low: 64 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers after 2am.  Mostly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Overnight
A 30 percent chance of showers after 5am. Mostly cloudy, with a low around 73. Calm wind.
Tuesday
Showers and thunderstorms likely, mainly between 3pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly sunny and hot, with a high near 92. Heat index values as high as 103. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Partly cloudy, with a low around 71. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Mostly sunny, with a high near 86. Calm wind becoming north around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 65. North wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 85. North wind around 5 mph.
Thursday Night
Mostly clear, with a low around 64. Northeast wind around 5 mph becoming calm.
Friday
Mostly sunny, with a high near 87.
Friday Night
A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 68.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 40%.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Sunday
Showers and thunderstorms likely. Partly sunny, with a high near 84. Chance of precipitation is 60%.
Sunday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.
Monday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Friendsville TN
 35.77°N 84.15°W (Elev. 961 ft)
1:06 am EDT Jul 28, 2026
1am EDT Jul 28, 2026-6pm EDT Aug 3, 2026
 
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