298
FNUS73 KLMK 281030
FWSLMK

Spot Forecast for Mill Creek...USFS
National Weather Service Louisville KY
630 AM EDT Mon Sep 28 2026

Forecast is based on ignition time of 0730 EDT on September 28.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...

Mostly clear skies and temperatures in the upper 70s
continues today. With mixing heights and a dry airmass
near the surface, dry air mixdown will likely continue
this afternoon. Minimum RH values are expected to be
in the mid 30s this afternoon. Mixing heights will increase
to roughly 5400 ft this afternoon and tomorrow. Light
northerly winds will continue through today and tonight. The
light winds will keep smoke dispersion on the poor to fair side.
Tomorrow winds will remain light but begin to shift southerly
in the afternoon.

.REST OF TODAY...

Sky/weather.........Sunny (5-15 percent). Patchy fog early in the
                    morning.
Temperature.........48 at ignition...Max 78.
RH..................96 percent at ignition...Min 34 percent.
Wind (20 ft)........Winds north at 1 mph at ignition...otherwise
                    Light winds.
Mixing height.......300 ft AGL at ignition...otherwise 5600 ft AGL.
Transport winds.....North 6 to 8 mph.
Smoke dispersal.....Poor /1900 knot-ft/ at ignition. Max...fair
                    /38900 knot-ft/.
LVORI...............4.
ADI.................7 early in the morning increasing to 51 in the
                    afternoon.

TIME (EDT)      7 AM   9 AM   11 AM  1 PM   3 PM   5 PM
Sky (%).........2      0      8      7      8      21
Weather cov.....PATCHY PATCHY
Weather type....FOG    FOG    NONE   NONE   NONE   NONE
Tstm cov........
Temp............48     53     67     74     77     78
RH..............96     86     56     40     35     34
20 ft wind......N 1    N 1    NE 2   N 2    N 2    N 2
20 ft wind gust.2      2      4      4      5      5
Mix hgt (ft)....200    500    1600   3900   5500   5100
Transport wind..N 7    N 7    NE 6   N 7    N 8    N 8
LVORI...........6      5      2      1      1      1
ADI.............7      7      12     33     50     47
SDspl kt-ft/10001      3      8      24     38     35

.TONIGHT...

Sky/weather.........Mostly clear (15-25 percent). Patchy fog after
                    3 am.
Temperature.........Min 49.
RH..................Max 100 percent.
Wind (20 ft)........Light winds.
Mixing height.......100 ft AGL.
Transport winds.....Northeast 7 to 8 mph shifting to the east
                    around 7 mph after 3 am.
Smoke dispersal.....Poor (500 knot-ft).
LVORI...............5.
ADI.................3 to 36.

TIME (EDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky (%).........30     38     23     10     4      7
Weather cov.....                                   PATCHY
Weather type....NONE   NONE   NONE   NONE   NONE   FOG
Tstm cov........
Temp............76     68     62     57     55     52
RH..............39     59     75     93     96     100
20 ft wind......N 2    N 1    N 2    N 1    NE 1   NE 1
20 ft wind gust.5      4      4      4      4      2
Mix hgt (ft)....3700   500    200    400    400    400
Transport wind..N 8    NE 7   NE 7   NE 7   NE 7   E 7
LVORI...........1      3      4      6      8      9
ADI.............36     3      3      3      3      3
SDspl kt-ft/100026     3      1      2      2      2

.TUESDAY...

Sky/weather.........Sunny (0-10 percent). Patchy fog early in the
                    morning.
Temperature.........Max 80.
RH..................Min 38 percent.
Wind (20 ft)........Light winds.
Mixing height.......5300 ft AGL.
Transport winds.....Southeast 5 to 7 mph.
Smoke dispersal.....Poor (1100 knot-ft).
LVORI...............6.
ADI.................3 to 30.

TIME (EDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
Sky (%).........8      10     5      0      3      4
Weather cov.....PATCHY PATCHY
Weather type....FOG    FOG    NONE   NONE   NONE   NONE
Tstm cov........
Temp............50     49     64     74     79     80
RH..............100    100    73     50     41     38
20 ft wind......NE 1   NE 1   E 1    SE 2   SE 1   N 0
20 ft wind gust.2      2      2      4      2      2
Mix hgt (ft)....300    300    1000   2700   4600   5300
Transport wind..E 7    E 6    E 6    SE 6   SE 5   SE 5
LVORI...........9      9      3      2      2      2
ADI.............3      6      7      19     27     30
SDspl kt-ft/10002      2      5      13     18     21

$$
Forecaster...CAL
Requested by...Logan Scherschel
Type of request...PRESCRIBED
.TAG 2622596.1/LMK
.DELDT 09/28/26
.FormatterVersion 2.0.0
.EMAIL logan.scherschel@usda.gov