Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Lexington Blue Grass Airport (KLEX)

Lat: 38.03° N Lon: 84.61° W Elev: 955 ft.

Fair

65°F

18°C

Humidity 93%
Wind Speed SE 3 mph
Barometer 30.02 in (1015.9 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 18 Aug 11:54 pm EDT
Detailed forecast for

Franklin County

Tonight
Mostly clear. Lows in the lower 60s. Northwest winds up to 5 mph in the evening becoming light.
Wednesday
Sunny in the morning then becoming mostly cloudy. Highs in the mid 80s. Southwest winds up to 5 mph.
Wednesday Night
Mostly cloudy. Slight chance of thunderstorms in the evening, then chance of showers and slight chance of thunderstorms after midnight. Lows in the mid 60s. South winds up to 5 mph. Chance of precipitation 50 percent.
Thursday
Showers likely and slight chance of thunderstorms in the morning, then showers likely and chance of thunderstorms in the afternoon. Highs in the lower 80s. Southwest winds up to 5 mph shifting to the northwest in the afternoon. Chance of precipitation 70 percent.
Thursday Night
Partly cloudy. Showers likely and chance of thunderstorms in the evening. Lows in the lower 60s. Northeast winds up to 5 mph. Chance of precipitation 60 percent.
Friday
Mostly sunny. Highs in the lower 80s.
Friday Night
Mostly clear. Lows in the lower 60s.
Saturday
Sunny. A 20 percent chance of thunderstorms in the afternoon. Highs in the mid 80s.
Saturday Night
Mostly clear. A 20 percent chance of thunderstorms in the evening. Lows in the lower 60s.
Sunday
Sunny. Highs in the lower 80s.
Sunday Night
Partly cloudy. Lows in the upper 50s.
Monday
Mostly sunny. Highs in the lower 80s.
Monday Night
Partly cloudy. A 20 percent chance of showers after midnight. Lows in the lower 60s.
Tuesday
Mostly sunny. A 20 percent chance of showers in the morning. Highs in the mid 80s.



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408 PM EDT Tue Aug 18 2026
 
 

Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database