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

Greeneville-Greene County Municipal Airport (KGCY)

Lat: 36.2°NLon: 82.81°WElev: 1608ft.

84°F

29°C

Humidity 70%
Wind Speed N 7 mph
Barometer 30.06 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 13 Aug 2:35 pm EDT
Extended Forecast for

3 Miles S Rogersville TN

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 88. Heat index values as high as 99. West wind around 5 mph.

    High: 88 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: A slight chance of showers and thunderstorms before 3pm, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny and hot, with a high near 90. Heat index values as high as 103. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 90 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 91. Calm wind becoming west around 5 mph.

    High: 91 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 92. Calm wind becoming west around 5 mph in the afternoon.

    High: 92 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly after 2pm. Sunny and hot, with a high near 92.

    High: 92 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 88. Heat index values as high as 99. West wind around 5 mph.
Tonight
A 10 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 70. Calm wind.
Friday
A slight chance of showers and thunderstorms before 3pm, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny and hot, with a high near 90. Heat index values as high as 103. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 20%.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 72. Calm wind.
Saturday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 91. Calm wind becoming west around 5 mph.
Saturday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 72. Calm wind.
Sunday
Mostly sunny and hot, with a high near 92. Calm wind becoming west around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 72.
Monday
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Sunny and hot, with a high near 92.
Monday Night
A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 70.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Wednesday
Mostly sunny, with a high near 89.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Rogersville TN
 36.37°N 83.01°W (Elev. 1076 ft)
Last Update:
2:26 pm EDT Aug 13, 2026
Forecast Valid:
3pm EDT Aug 13, 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