Louisville, Kentucky 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
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NWS Forecast for 2 Miles NNW Louisville KY
National Weather Service Forecast for:
2 Miles NNW Louisville KY
Issued by: National Weather Service Louisville, KY |
Updated: 5:16 pm EDT Jul 17, 2025 |
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This Afternoon
 T-storms
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Tonight
 T-storms then Chance T-storms
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Friday
 Chance T-storms
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Friday Night
 T-storms Likely
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Saturday
 Showers then T-storms
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Saturday Night
 T-storms Likely
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Sunday
 Chance T-storms then T-storms
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Sunday Night
 T-storms then Chance T-storms
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Monday
 Chance T-storms then Showers Likely
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Hi 81 °F |
Lo 74 °F |
Hi 89 °F |
Lo 75 °F |
Hi 88 °F |
Lo 75 °F |
Hi 90 °F |
Lo 74 °F |
Hi 89 °F |
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Hazardous Weather Outlook
Flood Watch
This Afternoon
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Showers and possibly a thunderstorm. Steady temperature around 81. Light southwest wind. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. |
Tonight
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Showers and possibly a thunderstorm before 8pm, then showers and thunderstorms likely, mainly between 8pm and 10pm. Low around 74. Southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible. |
Friday
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A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 89. Light south wind. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. |
Friday Night
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Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 75. Light south wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. |
Saturday
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Showers and possibly a thunderstorm. High near 88. Southwest wind around 7 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible. |
Saturday Night
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Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 75. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. |
Sunday
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A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 90. Chance of precipitation is 80%. |
Sunday Night
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Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Low around 74. Chance of precipitation is 80%. |
Monday
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A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 89. Chance of precipitation is 70%. |
Monday Night
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Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am. Mostly cloudy, with a low around 74. Chance of precipitation is 60%. |
Tuesday
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A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93. |
Tuesday Night
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A chance of thunderstorms. Partly cloudy, with a low around 76. Chance of precipitation is 30%. |
Wednesday
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A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 95. |
Wednesday Night
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Partly cloudy, with a low around 77. |
Thursday
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A slight chance of showers and thunderstorms. Mostly sunny and hot, with a high near 96. |
Forecast from NOAA-NWS
for 2 Miles NNW Louisville KY.
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Weather Forecast Discussion
911
FXUS63 KLMK 172011
AFDLMK
Area Forecast Discussion
National Weather Service Louisville KY
411 PM EDT Thu Jul 17 2025
.KEY MESSAGES...
* Scattered to numerous showers and thunderstorms expected this
afternoon and evening in southern IN and north-central KY. Storms
could produce localized flash flooding and damaging wind gusts, in
addition to frequent lightning.
* Torrential rainfall is expected with the storms this afternoon and
flash flooding may occur.
* Outside of storms, very hot and humid across central and southern
KY with heat indices up to 100-105 this afternoon.
* A continued active pattern continues into the weekend and early
next week, with daily chances for showers and storms. Hot and
humid weather is also expected to continue.
&&
.SHORT TERM /THROUGH FRIDAY/...
Issued at 411 PM EDT Thu Jul 17 2025
Scattered strong storms are ongoing this afternoon, mainly in
southern IN and northern portions of central KY. This development
has occurred with strong heating of a very moist airmass along and
just south of a stalled frontal boundary in southern IL/IN. MLCAPE
is around 3000 J/kg as noted in recent SPC RAP mesoanalysis data.
Weak mid-level westerlies are producing deep-layer shear on the
order of 15-20 kts. Storm mode continues to look like only loosely
organized clusters as cold pools interact. Localized wet microbursts
remain a possible hazard through this evening given the strong
destabilization taking place and weak shear.
PW of 2+ inches near the boundary will support very heavy rainfall
rates of 1-3 inches/hr at times. Storm motion is progressive enough
to avoid widespread flooding issues, but some west to east training
is possible with deep-layer mean wind roughly parallel to the
stalled boundary. Expanded the Flood Watch slightly westward this
morning, and considered expanding further west across portions of
southern IN and north central KY. However, not quite confident
enough to expand further west at this time due to higher FFG in most
of those areas and limited confidence in significant training
occurring. But, expect ponding of water on roads in thunderstorms.
Some localized flash flooding will be possible in areas that see
repeated/excessive heavy rainfall.
Thunderstorm coverage looks more isolated across southern KY into
the evening hours. This evening, scattered storms will gradually
wane in both coverage and intensity after 02Z. However, additional
isolated to scattered convection looks possible again overnight into
early Friday. A weak mid-level wave is forecast to move east across
the stalled frontal zone, and with such rich moisture in place, we
are unlikely to see a completely clear radar overnight. Reduced
convective intensity and coverage will lower the overall flooding
threat during the overnight hours, however. So will leave the
expiration time on the Flood Watch at 04Z, but as the previous
discussion mentioned, cannot completely rule out needing to extend
at least a portion of the Watch into Friday morning.
Friday will remain very warm and humid. Sfc warming may be held back
a bit by cloud cover. Afternoon temperatures still look to rise into
the mid 80s to around 90. Isolated to scattered showers and storms
will be possible in a very moist, weakly forced environment.
Localized heavy rainfall, gusty winds, and lightning will be
possible with any storm.
&&
.LONG TERM /FRIDAY NIGHT THROUGH THURSDAY/...
Issued at 411 PM EDT Thu Jul 17 2025
Strong upper level ridging remains in place across the South through
the weekend and into early next week, with the center retrograding
westward just a bit. Amplifying ridging over the Plains will
gradually yield more of a NW flow pattern with time. Shortwave
disturbances moving through the flow will likely bring episodic
bouts of convection. The northwest flow pattern could result in
multiple MCSs that drop down into the region. Current thinking is
that northern IL, central/southern IN and into northern/eastern KY
could see the most convective action along with a threat of flash
flooding.
Conditions will remain relatively hot and humid through early next
week, with highs in the upper 80s and lower 90s. From Tuesday
onward, the heat will build with time as the ridge aloft strengthens
over the Southeast and Lower Ohio Valley. Excessive heat becomes a
greater concern through the midweek time frame, with temperatures in
the low to mid 90s and peak heat indices well over 100. We should
also gradually see a trend toward drier conditions overall late in
the period.
&&
.AVIATION /18Z TAFS THROUGH 00Z SATURDAY/...
Issued at 219 PM EDT Thu Jul 17 2025
Scattered to numerous showers and storms are expected through the
evening hours, especially in southern IN and north-central KY near a
stalled frontal boundary. TSRA coverage/probability is highest at
HNB/SDF/LEX, with lower chances at BWG. There is also a concern for
isolated to scattered lingering overnight as a weak mid-level wave
moves west to east over the stalled boundary. A very moist airmass
will yield high rainfall rates with any storm. Localized
downbursts/gusty winds are also possible with stronger storms this
afternoon and evening.
&&
.LMK WATCHES/WARNINGS/ADVISORIES...
KY...Flood Watch until midnight EDT /11 PM CDT/ tonight for
KYZ023>025-028>043-045>049-055>057-067.
IN...Flood Watch until midnight EDT /11 PM CDT/ tonight for
INZ076>079-083-084-089>092.
&&
$$
SHORT TERM...EBW
LONG TERM...EBW
AVIATION...EBW
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