Super Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather Threat from the Central Plains to the Great Lakes

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, and thunderstorms to the Marianas Islands into Wednesday. Tropical Storm conditions are likely over Guam. Severe thunderstorms and heavy rain are likely across the Upper Mississippi Valley and Great Lakes region with potential for large to very large hail, damaging wind, and tornadoes through Tuesday. Read More >

Hazardous Weather Conditions

Current conditions at

Greeneville-Greene County Municipal Airport (KGCY)

Lat: 36.2°NLon: 82.81°WElev: 1608ft.

Fair

70°F

21°C

Humidity 40%
Wind Speed SW 10 G 18 mph
Barometer 30.30 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 13 Apr 10:15 am EDT
Extended Forecast for

Greeneville TN

  • Today

    Today: Partly sunny, with a high near 78. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 78 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 56. Calm wind.

    Low: 56 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 82. Light south wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 82 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 57. Southwest wind around 5 mph becoming calm  after midnight.

    Low: 57 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 84. Calm wind becoming west around 5 mph in the afternoon.

    High: 84 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 59. Calm wind.

    Low: 59 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 83. Light and variable wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 83 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before 2am.  Partly cloudy, with a low around 59.

    Low: 59 °F

    Slight Chance
    T-storms

  • Friday

    Friday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 78. West wind 5 to 10 mph, with gusts as high as 20 mph.
Tonight
Partly cloudy, with a low around 56. Calm wind.
Tuesday
Mostly sunny, with a high near 82. Light south wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 57. Southwest wind around 5 mph becoming calm after midnight.
Wednesday
Mostly sunny, with a high near 84. Calm wind becoming west around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 59. Calm wind.
Thursday
Mostly sunny, with a high near 83. Light and variable wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 59.
Friday
Mostly sunny, with a high near 83.
Friday Night
Partly cloudy, with a low around 59.
Saturday
A 20 percent chance of showers. Partly sunny, with a high near 87.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 57.
Sunday
A 40 percent chance of showers. Mostly cloudy, with a high near 72.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Greeneville TN
 36.15°N 82.84°W (Elev. 1535 ft)
7:06 am EDT Apr 13, 2026
10am EDT Apr 13, 2026-6pm EDT Apr 19, 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