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Franklin, Kentucky 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
NWS Forecast for Franklin KY
National Weather Service Forecast for: Franklin KY
Issued by: National Weather Service Louisville, KY
Updated: 5:34 am CDT Aug 13, 2025
 
Today

Today: A 50 percent chance of showers and thunderstorms, mainly after noon.  Partly sunny, with a high near 89. South wind around 5 mph becoming light and variable.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Slight Chance
T-storms then
Chance
T-storms
Tonight

Tonight: A 30 percent chance of showers and thunderstorms, mainly before 10pm.  Patchy fog after 11pm.  Otherwise, mostly cloudy, with a low around 71. Calm wind.
Chance
T-storms and
Patchy Fog
then Patchy
Fog
Thursday

Thursday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 89. Calm wind becoming northwest around 5 mph in the afternoon.
Mostly Sunny
then Slight
Chance
T-storms
Thursday
Night
Thursday Night: Patchy fog before 1am, then patchy fog after 2am.  Otherwise, partly cloudy, with a low around 71. Calm wind.
Partly Cloudy
then Patchy
Fog

Friday

Friday: Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 91. Light and variable wind.
Patchy Fog
then Mostly
Sunny

Friday
Night
Friday Night: Patchy fog after 5am.  Otherwise, mostly clear, with a low around 70.
Mostly Clear
then Patchy
Fog

Saturday

Saturday: Patchy fog before 8am.  Otherwise, sunny, with a high near 93.
Patchy Fog
then Sunny

Saturday
Night
Saturday Night: Mostly clear, with a low around 71.
Mostly Clear


Sunday

Sunday: Sunny and hot, with a high near 94.
Hot


Hi 89 °F Lo 71 °F Hi 89 °F Lo 71 °F Hi 91 °F Lo 70 °F Hi 93 °F Lo 71 °F Hi 94 °F

Hazardous Weather Outlook
 

Today
 
A 50 percent chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 89. South wind around 5 mph becoming light and variable. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
 
A 30 percent chance of showers and thunderstorms, mainly before 10pm. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 71. Calm wind.
Thursday
 
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. Calm wind becoming northwest around 5 mph in the afternoon.
Thursday Night
 
Patchy fog before 1am, then patchy fog after 2am. Otherwise, partly cloudy, with a low around 71. Calm wind.
Friday
 
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 91. Light and variable wind.
Friday Night
 
Patchy fog after 5am. Otherwise, mostly clear, with a low around 70.
Saturday
 
Patchy fog before 8am. Otherwise, sunny, with a high near 93.
Saturday Night
 
Mostly clear, with a low around 71.
Sunday
 
Sunny and hot, with a high near 94.
Sunday Night
 
Mostly clear, with a low around 71.
Monday
 
Sunny and hot, with a high near 94.
Monday Night
 
Mostly clear, with a low around 72.
Tuesday
 
Sunny, with a high near 92.

 

Forecast from NOAA-NWS for Franklin KY.

Weather Forecast Discussion
084
FXUS63 KLMK 130706
AFDLMK

Area Forecast Discussion
National Weather Service Louisville KY
306 AM EDT Wed Aug 13 2025

.KEY MESSAGES...

* Warm and humid today, with isolated to scattered showers and
  thunderstorms. The risk for severe weather is low, though some
  storms could produce locally heavy downpours and frequent
  lightning.

* Hot and humid this weekend with highs in the low to mid 90s.
  Triple digit heat index values possible at times.

&&

.SHORT TERM /THROUGH TONIGHT/...
Issued at 306 AM EDT Wed Aug 13 2025

Weak mid-level shortwave troughing is noted over the Lower Ohio
Valley this morning, with a deeper northern stream wave swinging
over Ontario and the Great Lakes. At the surface, a cold front is
draped NE to SW through Lower MI and northern IL/MO. We still have a
couple isolated thunderstorm drifting east across south-central KY
early this morning, where PW values exceed 2.0 inches. Subtle low-
level convergence enhanced by an outflow boundary, as well as weak
ascent provided by the approaching mid-level wave, may be enough to
sustain isolated convection south of the Bluegrass Parkway over the
next few hours. Otherwise, most will stay dry. Temperatures are
hovering in the lower 70s under partly cloudy skies.

Lower clouds are forecast to expand in coverage through the early to
mid-morning hours, trending the sky cover toward mostly cloudy in
many areas to start the day. Skies will become partly sunny during
the afternoon, though sky cover may be somewhat variable depending
on convection.

Today, weak mid-level troughing will remain in place as the cold
front to our northwest sinks to the Ohio River by this evening.
Isolated to scattered rain/storm chances will increase during the
afternoon and evening hours with diurnal warming providing a boost
to coverage and intensity. Coverage should be a bit higher across
portions of central and southern KY, where moisture and instability
will be relatively higher (compared to southern IN). Weak deep-layer
shear (15 kts or so) will continue to limit convective organization
and the ability to sustain an updraft. The severe weather risk is
low, though any storm could produce brief heavy rainfall and
lightning. Highs today will be in the upper 80s/near 90.

Tonight, rain chances gradually taper off as the low levels
stabilize. Look for partly cloudy skies with the possibility of some
fog. Lows will be in the upper 60s to lower 70s.

&&

.LONG TERM /THURSDAY THROUGH TUESDAY/...
Issued at 306 AM EDT Wed Aug 13 2025

A weak cold front will continue to sink south through the forecast
area on Thursday. Upper level support looks quite weak, and drier
mid-level air is forecast to spill into the region from the
northwest. Thus, rain chances look fairly spotty and confined to
central and eastern KY. Most will stay dry, with afternoon highs
once again in the upper 80s to near 90.

A strong mid-level ridge is forecast to build over the Mississippi
Valley and Lower Ohio Valley, which is likely to bring a stretch of
hot and dry weather Friday into early next week. Saturday through
Monday looks like the hottest period, with afternoon highs in the
low to mid 90s. Afternoon heat index values will flirt with 100 each
day. Strong mid and upper level ridging eventually shifts to the
western United States by the middle of next week, which allows for
NW flow aloft and opens the door to a cold front dropping in from
the north. This should spell relief from the heat and higher rain
chances mid to late next week.

&&

.AVIATION /06Z TAFS THROUGH 12Z THURSDAY/...
Issued at 153 AM EDT Wed Aug 13 2025

Just have some isolated TSRA near BWG, which will pass to the east
of that terminal quickly at the start of the period. Cannot rule out
VCSH at LEX/RGA over the next few hours either. Otherwise, the main
aviation concern will be the potential for low MVFR stratus through
the early to mid-morning hours.

Already seeing some MVFR stratus over portions of central KY, and
these low clouds seem likely to expand between 06-12Z. All of the
guidance isn`t sold on the low clouds and their evolution, however.
Confidence in MVFR ceilings is lower at SDF and BWG, with relatively
higher confidence at LEX/RGA. Sct shra/tsra expected once again
Wednesday afternoon and evening, most likely in vicinity of BWG,
LEX, and RGA.

&&

.LMK WATCHES/WARNINGS/ADVISORIES...
KY...None.
IN...None.

&&

$$

SHORT TERM...EBW
LONG TERM...EBW
AVIATION...EBW
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Forecast Discussion from: NOAA-NWS Script developed by: El Dorado Weather






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