Tropical Storm Arthur and Heavy Rainfall in the South; Severe Weather in the Midwest

An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana tonight. Intense tornadoes, swaths of damaging gusts, and hail in excess of 2 inches in diameter possible. Tropical Storm Arthur will continue to produce strong winds across coastal Upper Texas and Louisiana tonight, as well as potentially life-threatening flooding across southern Louisiana into Mississippi. Read More >

Hazardous Weather Conditions

Current conditions at

Greeneville-Greene County Municipal Airport (KGCY)

Lat: 36.2°NLon: 82.81°WElev: 1608ft.

Overcast

72°F

22°C

Humidity 73%
Wind Speed Vrbl 3 mph
Barometer 29.83 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 18 Jun 4:15 am EDT
Extended Forecast for

4 Miles NNE Mosheim TN

  • Today

    Today: Showers and thunderstorms, mainly before 5pm, then showers and possibly a thunderstorm after 5pm.  High near 88. Breezy, with a southwest wind 5 to 10 mph increasing to 15 to 20 mph in the morning. Winds could gust as high as 35 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Breezy.
    Slight Chance
    T-storms then
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely, then showers after 3am.  Low around 66. Southwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    T-storms
    Likely then
    Showers

  • Juneteenth

    Juneteenth: Showers and thunderstorms likely, mainly before 10am.  Cloudy through mid morning, then gradual clearing, with a high near 83. Northwest wind 5 to 10 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Showers
    Likely then
    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 57. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 57 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 85. Calm wind.

    High: 85 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 62. Calm wind.

    Low: 62 °F

    Partly Cloudy

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 88. Calm wind becoming west around 5 mph in the afternoon.

    High: 88 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am.  Mostly cloudy, with a low around 66. Chance of precipitation is 70%.

    Low: 66 °F

    Chance
    T-storms then
    Showers
    Likely

  • Monday

    Monday: Showers and possibly a thunderstorm.  High near 82. Chance of precipitation is 100%.

    High: 82 °F

    Showers

Detailed Forecast

Today
Showers and thunderstorms, mainly before 5pm, then showers and possibly a thunderstorm after 5pm. High near 88. Breezy, with a southwest wind 5 to 10 mph increasing to 15 to 20 mph in the morning. Winds could gust as high as 35 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely, then showers after 3am. Low around 66. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Juneteenth
Showers and thunderstorms likely, mainly before 10am. Cloudy through mid morning, then gradual clearing, with a high near 83. Northwest wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Partly cloudy, with a low around 57. Northwest wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 85. Calm wind.
Saturday Night
Partly cloudy, with a low around 62. Calm wind.
Sunday
A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Calm wind becoming west around 5 mph in the afternoon.
Sunday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 70%.
Monday
Showers and possibly a thunderstorm. High near 82. Chance of precipitation is 100%.
Monday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 70%.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
Tuesday Night
A slight chance of thunderstorms. Partly cloudy, with a low around 59. Chance of precipitation is 10%.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNE Mosheim TN
 36.25°N 82.94°W (Elev. 1099 ft)
2:26 am EDT Jun 18, 2026
4am EDT Jun 18, 2026-6pm EDT Jun 24, 2026
 
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Additional Resources

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Hourly Weather Forecast

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