320
FNUS74 KMRX 122352
FWSMRX

Spot Forecast for Alum SAR...NPS GRSM
National Weather Service Morristown TN
752 PM EDT Thu Jun 12 2025

Forecast is based on forecast start time of 2000 EDT on June 12.

If conditions become unrepresentative,contact the National Weather
Service...at 1-800-697-0075. If possible, please provide feedback
for every spot forecast request.

.DISCUSSION...
Current radar trends (as of 745 PM EDT) suggest that the rain will
move north of the SAR area by 815 PM EDT. Also seems doubtful there
will be any lightning through that time as well. Rain chances will
significantly decrease afterwards and expect dry conditions during
the overnight hours. Friday will be very similar to today, with
afternoon showers and thunderstorms building over the Smokies by
early to mid afternoon.

.REST OF TONIGHT...

Sky/weather.........Mostly cloudy (75-85 percent). Rain showers
                    likely and chance of thunderstorms in the
                    evening. Slight chance of rain showers
                    overnight.
Chance of pcpn......60 percent.
Min temperature.....Around 58.
Max humidity........100 percent.
Dewpoint............56.
Surface winds (mph).Northeast winds around 5 mph shifting to the
                    east 6 to 7 mph early in the evening, then
                    shifting to the southeast 7 to 8 mph late in
                    the evening shifting to the south 9 to 10 mph
                    late in the evening.

TIME (EDT)      4PM 5PM 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM
Sky (%).........93  89  83  82  78  66  67  64  75  72  79  77
Weather cov.....LKY CHC SCH                 SCH SCH     SCH SCH
Weather type....RW  RW  RW                  RW  RW      RW  RW
Tstm cov........CHC CHC SCH
Chc of pcpn (%).60  40  20  10  10  10  10  20  20  10  20  20
Temp............58  58  58  58  58  58  58  59  58  58  58  58
Dewpoint........56  56  55  55  56  56  55  56  56  57  57  57
RH..............93  93  90  90  93  93  90  90  93  96  96  96
Surface wnd dir.NE  NE  E   SE  SE  S   S   S   S   SW  S   S
Surface wnd spd.5   6   7   7   8   9   10  10  10  9   9   9
Surface wnd gst.9   10  10  12  12  13  13  13  13  13  13  12

.FRIDAY...

Sky/weather.........Partly sunny (65-75 percent) then becoming
                    cloudy (85-95 percent). Areas of fog early in
                    the morning, then patchy fog early in the
                    morning. Chance of showers and thunderstorms in
                    the morning, then showers and thunderstorms
                    likely in the afternoon.
Chance of pcpn......70 percent.
Max temperature.....Around 64.
Min humidity........87 percent.
Dewpoint............59.
Surface winds (mph).Southwest winds 6 to 9 mph decreasing to around
                    5 mph late in the afternoon, then shifting to
                    the south around 6 mph late in the afternoon.

TIME (EDT)      4AM 5AM 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM
Sky (%).........74  66  52  62  64  79  83  71  83  84  89  86
Weather cov.....ARS CHC CHC CHC CHC CHC LKY LKY LKY LKY LKY LKY
Weather type....FOG RW  RW  RW  RW  RW  RW  RW  RW  RW  RW  RW
Tstm cov........            CHC CHC CHC LKY LKY LKY LKY LKY CHC
Chc of pcpn (%).20  30  30  40  40  50  60  70  70  60  60  60
Temp............59  60  62  62  62  62  62  64  62  62  62  61
Dewpoint........57  58  58  58  59  60  59  61  61  60  60  59
RH..............93  93  87  87  90  93  90  90  97  93  93  93
Surface wnd dir.SW  S   S   SW  SW  W   SW  SW  SW  SW  SW  S
Surface wnd spd.9   8   7   6   6   6   6   5   5   5   5   6
Surface wnd gst.12  12  10  10  10  10  10  10  10  9   9   9

$$
Forecaster...Charles Dalton
Requested by...150
Type of request...SAR
.TAG 2515882.0/MRX
.DELDT 06/12/25
.FormatterVersion 2.0.0
.EMAIL grsm_dispatch@nps.gov