Extreme Heat Across the Southern U.S.; Severe Thunderstorms and Heavy Rain in the Plains and Mississippi Valley

A heat wave over the Southwest will intensify late week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Severe thunderstorms and heavy rain are expected over portions of the Plains and Mississippi Valley tonight, which will shift to parts of the Upper Midwest and mid-Mississippi Valley Friday. Monsoonal showers and flooding persist in the Desert Southwest. Read More >

Current conditions at

Franklin County Airport (K18A)

Lat: 34.34°NLon: 83.13°WElev: 890ft.

Mostly Cloudy

66°F

19°C

Humidity 86%
Wind Speed NE 6 mph
Barometer 30.03 in
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 31 Jul 6:55 am EDT
Extended Forecast for

Lavonia GA

  • Today

    Today: Mostly sunny, with a high near 91. Northeast wind around 6 mph becoming south in the afternoon.

    High: 91 °F

    Mostly Sunny

  • Tonight

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

    Low: 70 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers and thunderstorms between 1pm and 2pm, then showers likely and possibly a thunderstorm after 2pm.  Partly sunny, with a high near 88. Calm wind becoming south 5 to 8 mph in the afternoon.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Partly Sunny
    then Showers
    Likely

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely before 11pm, then showers and possibly a thunderstorm between 11pm and 5am, then showers after 5am.  Low around 70. Light and variable wind.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 70 °F

    Showers

  • Sunday

    Sunday: Showers likely, then showers and possibly a thunderstorm after 11am.  High near 84. South wind 5 to 9 mph.  Chance of precipitation is 80%.

    High: 84 °F

    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms between midnight and 2am, then a chance of showers after 2am.  Low around 70. Chance of precipitation is 80%.

    Low: 70 °F

    Showers then
    Chance
    Showers

  • Monday

    Monday: A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 4pm, then showers likely and possibly a thunderstorm after 4pm.  Partly sunny, with a high near 85. Chance of precipitation is 60%.

    High: 85 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am.  Mostly cloudy, with a low around 70. Chance of precipitation is 30%.

    Low: 70 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
Mostly sunny, with a high near 91. Northeast wind around 6 mph becoming south in the afternoon.
Tonight
Partly cloudy, with a low around 70. Calm wind.
Saturday
A slight chance of showers and thunderstorms between 1pm and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 88. Calm wind becoming south 5 to 8 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and thunderstorms likely before 11pm, then showers and possibly a thunderstorm between 11pm and 5am, then showers after 5am. Low around 70. Light and variable wind. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Showers likely, then showers and possibly a thunderstorm after 11am. High near 84. South wind 5 to 9 mph. Chance of precipitation is 80%.
Sunday Night
Showers and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms between midnight and 2am, then a chance of showers after 2am. Low around 70. Chance of precipitation is 80%.
Monday
A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 85. Chance of precipitation is 60%.
Monday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 30%.
Tuesday
A 50 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 87.
Tuesday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Partly cloudy, with a low around 70. Chance of precipitation is 30%.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
Lavonia GA
 34.43°N 83.08°W (Elev. 715 ft)
6:19 am EDT Jul 31, 2026
7am EDT Jul 31, 2026-6pm EDT Aug 6, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database