Areas of Excessive Rainfall and Severe Thunderstorms; Fire Weather Concerns in the Northern Plains and Four Corners Region

Widespread showers and thunderstorms may bring areas of flash flooding across much of the Southern Plains into the Gulf Coast region and the upper Ohio River Valley into the Mid-Atlantic. A large Pacific storm will bring widespread rain, gusty winds, and mountain snow to California and the Great Basin. Fire weather concerns expected in the Northern Plains and the Four Corners region. Read More >

Hazardous Weather Conditions

Current conditions at

Greeneville-Greene County Municipal Airport (KGCY)

Lat: 36.2°NLon: 82.81°WElev: 1608ft.

Overcast

70°F

21°C

Humidity 100%
Wind Speed SE 3 mph
Barometer 30.07 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 27 May 12:15 am EDT
Extended Forecast for

Greeneville TN

  • Overnight

    Overnight: A 20 percent chance of showers before 4am.  Mostly cloudy, with a low around 64. Calm wind.

    Low: 64 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 5pm, then a chance of showers and thunderstorms after 5pm.  Partly sunny, with a high near 80. Calm wind becoming west around 5 mph in the afternoon.  Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms.  Low around 63. West wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Showers

  • Thursday

    Thursday: Showers, with thunderstorms also possible after 11am.  High near 79. West wind around 5 mph becoming northwest in the afternoon.  Chance of precipitation is 80%.

    High: 79 °F

    Showers

  • Thursday Night

    Thursday Night: A chance of thunderstorms before 8pm.  Mostly cloudy, with a low around 59. Calm wind becoming east around 5 mph after midnight.  Chance of precipitation is 30%.

    Low: 59 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 80. East wind around 5 mph becoming calm.

    High: 80 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms, then a chance of showers after 2am.  Mostly cloudy, with a low around 60. Calm wind.  Chance of precipitation is 30%.

    Low: 60 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 8am.  Partly sunny, with a high near 78. Chance of precipitation is 50%.

    High: 78 °F

    Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 8pm, then a slight chance of showers.  Partly cloudy, with a low around 57. Chance of precipitation is 30%.

    Low: 57 °F

    Chance
    T-storms then
    Slight Chance
    Showers

Detailed Forecast

Overnight
A 20 percent chance of showers before 4am. Mostly cloudy, with a low around 64. Calm wind.
Wednesday
A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 5pm, then a chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 80. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and thunderstorms. Low around 63. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers, with thunderstorms also possible after 11am. High near 79. West wind around 5 mph becoming northwest in the afternoon. Chance of precipitation is 80%.
Thursday Night
A chance of thunderstorms before 8pm. Mostly cloudy, with a low around 59. Calm wind becoming east around 5 mph after midnight. Chance of precipitation is 30%.
Friday
A 20 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 80. East wind around 5 mph becoming calm.
Friday Night
A slight chance of showers and thunderstorms, then a chance of showers after 2am. Mostly cloudy, with a low around 60. Calm wind. Chance of precipitation is 30%.
Saturday
A chance of showers, with thunderstorms also possible after 8am. Partly sunny, with a high near 78. Chance of precipitation is 50%.
Saturday Night
A chance of showers and thunderstorms before 8pm, then a slight chance of showers. Partly cloudy, with a low around 57. Chance of precipitation is 30%.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 77. Chance of precipitation is 40%.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 55.
Monday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 76.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 53.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
Greeneville TN
 36.17°N 82.81°W (Elev. 1598 ft)
7:06 pm EDT May 26, 2026
12am EDT May 27, 2026-6pm EDT Jun 2, 2026
 
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Additional Resources

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