Dangerous Heat Builds and Expands; Critical Fire Weather for the Southwest; Severe Thunderstorms for Plains and Midwest

Dangerous to record breaking heat will build across the center of the nation and slowly build eastward this week. Wildfire conditions remain critical for the Southwest and portions of the Great Basin through Monday. For the northern Plains and upper Midwest, severe thunderstorms with the potential for large to very large hail and severe winds are the primary hazards. Read More >

Hazardous Weather Conditions

Current conditions at

Greeneville-Greene County Municipal Airport (KGCY)

Lat: 36.2°NLon: 82.81°WElev: 1608ft.

Partly Cloudy

73°F

23°C

Humidity 94%
Wind Speed Calm
Barometer 30.05 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 28 Jun 9:15 pm EDT
Extended Forecast for

5 Miles WSW Rogersville TN

  • Tonight

    Tonight: Partly cloudy, with a low around 68. Calm wind.

    Low: 68 °F

    Partly Cloudy

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms, mainly after 3pm.  Mostly cloudy, then gradually becoming sunny, with a high near 88. Heat index values as high as 99. Calm wind.

    High: 88 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 92. Heat index values as high as 103. Calm wind.

    High: 92 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 71. Calm wind.

    Low: 71 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 93. Calm wind.

    High: 93 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 71. Calm wind.

    Low: 71 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 95.

    High: 95 °F

    Hot

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before 2am.  Mostly clear, with a low around 71.

    Low: 71 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
Partly cloudy, with a low around 68. Calm wind.
Monday
A 40 percent chance of showers and thunderstorms, mainly after 3pm. Mostly cloudy, then gradually becoming sunny, with a high near 88. Heat index values as high as 99. Calm wind.
Monday Night
Partly cloudy, with a low around 70. Calm wind.
Tuesday
Mostly sunny and hot, with a high near 92. Heat index values as high as 103. Calm wind.
Tuesday Night
Mostly clear, with a low around 71. Calm wind.
Wednesday
Sunny and hot, with a high near 93. Calm wind.
Wednesday Night
Mostly clear, with a low around 71. Calm wind.
Thursday
Sunny and hot, with a high near 95.
Thursday Night
A 20 percent chance of showers and thunderstorms before 2am. Mostly clear, with a low around 71.
Friday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 95.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 71.
Independence Day
A 30 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 94.
Saturday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WSW Rogersville TN
 36.37°N 83.09°W (Elev. 1434 ft)
7:06 pm EDT Jun 28, 2026
9pm EDT Jun 28, 2026-6pm EDT Jul 5, 2026
 
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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