LMK issues Area Forecast Discussion (AFD) at Oct 23, 1:09 PM EDT ...Updated Aviation Discussion...663
FXUS63 KLMK 231709
AFDLMK
Area Forecast Discussion
National Weather Service Louisville KY
109 PM EDT Fri Oct 23 2026
...Updated Aviation Discussion...
.KEY MESSAGES...
* Patchy frost will be possible early Friday and Saturday mornings,
mainly in sheltered rural areas.
* Dry weather continues through next Thursday. Expect chilly nights
and warm afternoons. Patchy fog will be possible each morning,
mainly in river valleys.
&&
.DISCUSSION...
Issued at 259 AM EDT Fri Oct 23 2026
We're in the midst of a tranquil stretch of weather. Very little has
changed since the last update. Skies are clear, and winds are calm.
Sprawling high pressure at the surface remains in place over the
eastern US and Canada. In the upper levels, a large ridge sits over
the central CONUS.
The mid/upper level ridge is forecast to slowly build eastward over
the Ohio Valley through the end of the weekend. The strong sfc high
will build south through the weekend, becoming centered over the
Northeast US. During the early to middle portion of next week,
ridging will remain in place while gradually weakening with time.
The upper level flow deamplifies, and multiple upper level
disturbances will traverse portions of the western and north-central
US. While we could see increasing high clouds at times, a dry low-
level airmass will keep us dry through next Thursday.
In short, very pleasant Fall weather continues through the middle of
next week. Afternoon highs in the low to mid 70s will be common,
with early morning lows in the 40s. Our coolest, sheltered valleys
in the Bluegrass and Lake Cumberland regions should see some mid to
upper 30s once again early this morning and again Saturday morning.
This may produce patchy frost in those areas.
Forecast confidence has increased slightly in our next chance of
rain arriving over Halloween weekend. A wave of low pressure
ejecting northeast out of the southern/central Plains could finally
draw some moisture into the Ohio Valley. About 40-50% of LREF
members bring us some measurable rainfall by Sunday, November 1st.
&&
.AVIATION /18Z TAFS THROUGH 00Z SUNDAY/...
Issued at 109 PM EDT Fri Oct 23 2026
VFR conditions are expected this afternoon and evening with a light
northeast wind. Winds should remain in the 5-8 knot range. Winds
will go light/variable overnight. Probably will see some fog again
over at KHNB between 24/08-12Z.
&&
.LMK WATCHES/WARNINGS/ADVISORIES...
KY...None.
IN...None.
&&
$$
DISCUSSION...EBW
AVIATION.....MJ
Source:
LMK issues Area Forecast Discussion (AFD) at Oct 23, 1:09 PM EDT ...Updated Aviation Discussion...---------------
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