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Jeffersontown, Kentucky 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
NWS Forecast for Jeffersontown KY
National Weather Service Forecast for: Jeffersontown KY
Issued by: National Weather Service Louisville, KY
Updated: 7:14 pm EDT Jun 13, 2025
 
Tonight

Tonight: A 50 percent chance of showers and thunderstorms, mainly between 2am and 5am.  Mostly cloudy, with a low around 69. South wind 6 to 8 mph.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms

Saturday

Saturday: Showers and thunderstorms likely, mainly before 4pm, then showers likely and possibly a thunderstorm after 5pm.  Mostly cloudy, with a high near 81. Southwest wind around 7 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers
Likely

Saturday
Night
Saturday Night: Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms, mainly between 7pm and 2am.  Mostly cloudy, with a low around 69. Southwest wind 3 to 6 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers
Likely

Sunday

Sunday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm.  Mostly cloudy, with a high near 82. Northwest wind around 6 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers
Likely

Sunday
Night
Sunday Night: Showers likely and possibly a thunderstorm before 8pm.  Mostly cloudy, with a low around 68. Northwest wind 3 to 6 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Showers
Likely then
Mostly Cloudy
Monday

Monday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 85. Chance of precipitation is 30%.
Chance
Showers

Monday
Night
Monday Night: A 30 percent chance of showers and thunderstorms, mainly after 2am.  Mostly cloudy, with a low around 70.
Chance
Showers

Tuesday

Tuesday: A 50 percent chance of showers and thunderstorms.  Partly sunny, with a high near 85.
Chance
Showers then
Chance
T-storms
Tuesday
Night
Tuesday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers.  Mostly cloudy, with a low around 71. Chance of precipitation is 30%.
Chance
T-storms

Lo 69 °F Hi 81 °F Lo 69 °F Hi 82 °F Lo 68 °F Hi 85 °F Lo 70 °F Hi 85 °F Lo 71 °F

Hazardous Weather Outlook
 

Tonight
 
A 50 percent chance of showers and thunderstorms, mainly between 2am and 5am. Mostly cloudy, with a low around 69. South wind 6 to 8 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
 
Showers and thunderstorms likely, mainly before 4pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 81. Southwest wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
 
Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms, mainly between 7pm and 2am. Mostly cloudy, with a low around 69. Southwest wind 3 to 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
 
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 82. Northwest wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
 
Showers likely and possibly a thunderstorm before 8pm. Mostly cloudy, with a low around 68. Northwest wind 3 to 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
 
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 30%.
Monday Night
 
A 30 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 70.
Tuesday
 
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
Tuesday Night
 
A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 71. Chance of precipitation is 30%.
Wednesday
 
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 50%.
Wednesday Night
 
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.
Juneteenth
 
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 85. Chance of precipitation is 60%.
Thursday Night
 
Showers and thunderstorms likely. Partly cloudy, with a low around 68. Chance of precipitation is 60%.
Friday
 
A 20 percent chance of showers. Mostly sunny, with a high near 85.

 

Forecast from NOAA-NWS for Jeffersontown KY.

Weather Forecast Discussion
983
FXUS63 KLMK 132358
AFDLMK

Area Forecast Discussion
National Weather Service Louisville KY
758 PM EDT Fri Jun 13 2025

...Updated Aviation Discussion...

.KEY MESSAGES...

*  Additional scattered showers and storms expected through late
   this evening. Heavy rainfall and localized flooding are the main
   concerns, though isolated gusty winds and small hail are also
   possible.

*  Scattered showers and thunderstorms are also expected over the
   weekend, mainly during the afternoon and evening hours. The
   potential for severe storms is low, but additional swaths of
   heavy rain would increase the risk for localized flash flooding.

&&

.SHORT TERM /THROUGH SATURDAY NIGHT/...
Issued at 312 PM EDT Fri Jun 13 2025

A cutoff low over Missouri will continue to slowly weaken as it
rotates east-northeast over the Lower Ohio Valley through Saturday
night. This morning and afternoon, 35 kts of low to mid-level SW
flow on the east side of the cyclone has aided in the development of
a band of heavier showers and scattered storms. Temperatures have
been able to rise into the lower 80s in many areas east of I-65 (at
least until the arrival of steady rainfall). But widespread cloud
cover and showers pushing west to east across the region have
suppressed sfc heating and destabilization. Mid-level lapse rates
remain quite poor in a moist environment, but isolated stronger
storms may produce 30-40+ mph winds locally. The bigger concern for
the remainder of the day is locally torrential downpours, ponding,
and minor flooding. Precipitable water is approaching 2.0 inches.
Fortunately, 25+ kt cell motion is limiting the residence time of
extreme rainfall rates. These brief torrential downpours will impact
Lexington and the rest of the Bluegrass Region as head into the
start of the afternoon rush hour.

Behind the main band pushing into the Bluegrass, additional
scattered convective development looks possible through sunset.
After 01Z or so this evening, precip coverage will decrease markedly
due to increasing stability and modest forcing. Expect a warm/humid
and mostly cloudy night with lows in the upper 60s to near 70.

On Saturday, the low moves directly overhead. Scattered diurnally-
driven convection appears likely with modest destabilization and
slightly cooler air aloft. Lapse rates are still fairly poor (5.5-6
C/km). Flow through the column is weaker with the low overhead, and
a slower storm motion may increase the potential for localized
flooding. However, more widely scattered development will confine
the flood threat to pretty localized areas. Therefore, do not see
enough support at this time for a Flood Watch. Areas from south-
central KY into the southern Bluegrass, right on the eastern
periphery of the low, would have the best chance at seeing localized
swaths of heavier rain. Very narrow totals of 1-2 inches are
possible, in addition to today`s rainfall. Sfc temps should creep
into the low 80s during dry spells between showers.

Shower coverage should again drop off significantly Saturday night
with the loss of heating. The weakening low will drift across
eastern KY. Skies will likely remain mostly cloudy, with lows in the
upper 60s to around 70.

&&

.LONG TERM /SUNDAY THROUGH FRIDAY/...
Issued at 312 PM EDT Fri Jun 13 2025

Sunday...

The weakening low spins over the Appalachians on Sunday, with
additional shortwave energy riding southeast over the Midwest.
Strong ridging aloft is forecast to be centered over the Southwest
and Mexico. Scattered afternoon and evening showers/storms again
look possible.

Next Week...

There is growing consensus in a decrease in shower/storm activity
for Sunday night into Monday as the remnant energy from this
weekend`s system dissipates and lifts to the northeast. The
continued humid air mass will still keep a chance for afternoon
showers and storms on Monday, but coverage should be even more
isolated.

For the middle portion of next week, the pattern could remain
relatively active with multiple mid-level shortwave disturbances
rippling from the Plains across portions of the Midwest and Ohio
Valley. Each of these could be tied to an area of convection, but
timing these waves is problematic. So will have to continue to
feature elevated PoPs each day Tuesday through Thursday. A somewhat
stronger wave could boost our severe weather (and heavy rainfall)
potential late Wednesday through Thursday.

&&

.AVIATION /00Z TAFS THROUGH 06Z SUNDAY/...
Issued at 758 PM EDT Fri Jun 13 2025

Storms over HNB have dissipated to showers as the sun is beginning
to set. Light to moderate showers will continue over the next few
hours in southern Indiana. Very light rain will continue over other
terminals over the next few hours. Skies will lift to broken mid-
levels before low CIGs begin to enter from the northwest. At LEX and
RGA there is a weak signal for some patchy fog development, this is
mentioned in the LEX TAF. Scattered showers and isolated storms will
pick back up after 14Z lasting through the end of the TAF period.

&&

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

&&

$$

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






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