National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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 >

Current conditions at

Franklin County Airport (K18A)

Lat: 34.34°NLon: 83.13°WElev: 890ft.

Fair

75°F

24°C

Humidity 88%
Wind Speed S 5 mph
Barometer 29.92 in
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 18 Jun 12:15 am EDT
Extended Forecast for

Lavonia GA

  • Overnight

    Overnight: Increasing clouds, with a low around 72. Southwest wind around 10 mph, with gusts as high as 21 mph.

    Low: 72 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Showers and thunderstorms likely before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly sunny during the morning, then cloudy during the afternoon, with a high near 84. Southwest wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 84 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers and thunderstorms before 5am, then a chance of showers. Some of the storms could produce heavy rainfall. Patchy fog. Low around 68. South wind 6 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 68 °F

    Showers and
    Patchy Fog
    then Heavy
    Rain and
    Patchy Fog

  • Juneteenth

    Juneteenth: A slight chance of showers between 10am and 11am, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 87. West wind 8 to 10 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of thunderstorms before 8pm. Mostly cloudy, with a low around 66. West wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 40%.

    Low: 70 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Increasing clouds, with a low around 72. Southwest wind around 10 mph, with gusts as high as 21 mph.
Thursday
Showers and thunderstorms likely before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly sunny during the morning, then cloudy during the afternoon, with a high near 84. Southwest wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers and thunderstorms before 5am, then a chance of showers. Some of the storms could produce heavy rainfall. Patchy fog. Low around 68. South wind 6 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Juneteenth
A slight chance of showers between 10am and 11am, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 87. West wind 8 to 10 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of thunderstorms before 8pm. Mostly cloudy, with a low around 66. West wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 87.
Saturday Night
Mostly clear, with a low around 66.
Sunday
Mostly sunny, with a high near 88.
Sunday Night
A chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 40%.
Monday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 40%.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Tuesday
Mostly sunny, with a high near 87.
Tuesday Night
Partly cloudy, with a low around 68.
Wednesday
Mostly sunny, with a high near 86.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lavonia GA
 34.44°N 83.11°W (Elev. 843 ft)
Last Update:
8:09 pm EDT Jun 17, 2026
Forecast Valid:
12am EDT Jun 18, 2026-6pm EDT Jun 24, 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