624  
FNUS74 KMRX 271738  
FWSMRX  
 
SPOT FORECAST FOR TRILLIUM GAP TRAIL SAR...GREAT SMOKY MOUNTAINS NPS  
NATIONAL WEATHER SERVICE MORRISTOWN TN  
138 PM EDT SAT JUN 27 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 1400 EDT ON JUNE 27.  
 
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  
 
SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED THIS AFTERNOON  
INTO SUNDAY. A FEW OF THESE STORMS MAY BECOME STRONG TO SEVERE,  
PRODUCING GUSTY WINDS AND HEAVY RAINFALL. ISOLATED FLOODING IS  
POSSIBLE ACROSS AREAS THAT SEE REPEATED ROUNDS OF SHOWERS AND  
STORMS. A FLOOD WATCH IS IN EFFECT FROM 8 PM EDT THIS EVENING  
THROUGH 11 AM EDT SUNDAY.  
   
REST OF TODAY  
 
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT). SHOWERS WITH  
THUNDERSTORMS LIKELY.  
CHANCE OF PCPN......80 PERCENT.  
MAX TEMPERATURE.....AROUND 65.  
MIN HUMIDITY........84 PERCENT.  
DEWPOINT............59.  
SURFACE WINDS (MPH).WEST WINDS 8 TO 13 MPH. GUSTS UP TO 22 MPH LATE  
IN THE AFTERNOON.  
 
TIME (EDT) 2PM 3PM 4PM 5PM  
SKY (%).........73 68 72 75  
WEATHER COV.....LKY DEF LKY LKY  
WEATHER TYPE....RW RW RW RW  
TSTM COV........LKY LKY LKY LKY  
CHC OF PCPN (%).70 80 70 60  
TEMP............63 64 63 62  
DEWPOINT........58 60 59 59  
RH..............84 87 87 90  
SURFACE WND DIR.W W SW W  
SURFACE WND SPD.13 10 9 8  
SURFACE WND GST.22 21 20 18  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT) THEN BECOMING  
PARTLY CLOUDY (45-55 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (75-85 PERCENT). SHOWERS LIKELY  
AND CHANCE OF THUNDERSTORMS IN THE EVENING,  
THEN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS  
OVERNIGHT.  
CHANCE OF PCPN......80 PERCENT.  
MIN TEMPERATURE.....AROUND 58.  
MAX HUMIDITY........100 PERCENT.  
DEWPOINT............59.  
SURFACE WINDS (MPH).WEST WINDS 8 TO 11 MPH.  
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........70 67 72 54 49 74 68 73 70 76 89 95  
WEATHER COV.....CHC CHC LKY CHC CHC CHC CHC LKY LKY CHC LKY DEF  
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW  
TSTM COV........CHC CHC CHC CHC CHC SCH SCH SCH SCH  
CHC OF PCPN (%).50 50 60 30 30 30 40 70 60 50 60 80  
TEMP............62 61 61 61 61 61 61 61 61 61 60 60  
DEWPOINT........59 59 59 59 59 59 59 59 59 59 59 59  
RH..............90 93 93 93 93 93 93 93 93 93 96 96  
SURFACE WND DIR.SW W W W SW W SW SW W W W W  
SURFACE WND SPD.8 9 11 9 9 9 9 9 9 10 10 11  
SURFACE WND GST.17 17 18 15 15 14 14 14 14 14 15 15  
 
 
FORECASTER...SAM ROBERTS  
REQUESTED BY...MIKE GRIES  
TYPE OF REQUEST...SAR  
.TAG 2616321.0/MRX  
.DELDT 06/27/26  
.FORMATTERVERSION 2.0.0  
.EMAIL GRSM_DISPATCH@NPS.GOV  
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