134
FNUS74 KMRX 161957
FWSMRX

Spot Forecast for Grotto SAR...NPS
National Weather Service Morristown TN
357 PM EDT Sat Aug 16 2025

Forecast is based on forecast start time of 1600 EDT on August 16.

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...
A dry pattern sets up for most of the area through the weekend, with
any showers isolated to the mountains. Above normal temperatures
will also make a return for the weekend, becoming increasingly muggy
early next week.

.REST OF TODAY...

Sky/weather.........Sunny (20-30 percent). Slight chance of showers
                    and thunderstorms early in the afternoon.
Chance of pcpn......20 percent.
Max temperature.....Around 81.
Min humidity........60 percent.
Dewpoint............65.
Surface winds (mph).Light winds.

TIME (EDT)      12P 1PM 2PM 3PM
Sky (%).........18  24  15  32
Weather cov.....SCH CHC CHC CHC
Weather type....RW  RW  RW  RW
Tstm cov........SCH SCH CHC CHC
Chc of pcpn (%).20  30  30  40
Temp............80  80  79  77
Dewpoint........66  65  65  65
RH..............62  60  62  67
Surface wnd dir.N   N   N   N
Surface wnd spd.3   3   3   2
Surface wnd gst.7   7   6   6

.TONIGHT...

Sky/weather.........Mostly clear (15-25 percent).
Chance of pcpn......10 percent.
Min temperature.....Around 67.
Max humidity........76 percent.
Dewpoint............62 decreasing to 59 late in the evening.
Surface winds (mph).Light winds.

TIME (EDT)      4PM 5PM 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM
Sky (%).........35  23  21  20  20  13  10  8   10  15  14  25
Weather cov.....CHC CHC SCH
Weather type....RW  RW  RW
Tstm cov........CHC CHC SCH
Chc of pcpn (%).30  30  20  10   0   0   0   0   0   0   0   0
Temp............74  73  72  72  71  70  70  70  69  69  69  68
Dewpoint........64  62  61  61  60  59  59  60  60  59  59  59
RH..............71  68  68  68  68  68  68  71  73  70  70  73
Surface wnd dir.NE  E   SE  SE  SE  SE  SE  SE  SE  SE  SE  SE
Surface wnd spd.2   2   2   3   2   3   3   3   3   3   2   2
Surface wnd gst.6   6   6   7   7   7   7   7   7   7   7   6

$$
Forecaster...Lyle Wilson
Requested by...412
Type of request...SAR
.TAG 2520038.0/MRX
.DELDT 08/16/25
.FormatterVersion 2.0.0
.EMAIL grsm_Dispatch@nps.gov