223  
FNUS74 KMRX 111719  
FWSMRX  
 
SPOT FORECAST FOR JUMP OFF SAR...GRSM  
NATIONAL WEATHER SERVICE MORRISTOWN TN  
119 PM EDT FRI JUL 11 2025  
 
FORECAST IS BASED ON FORECAST START TIME OF 1400 EDT ON JULY 11.  
 
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  
 
ISOLATED TO SCATTERED STORMS CAN BE EXPECTED IN THE SEARCH  
VICINITY FROM NOW THROUGH THIS EVENING. WHILE SEVERE WEATHER IS  
NOT ANTICIPATED, GUSTY WINDS TO 30 TO 40 MPH ARE POSSIBLE WITH  
ANY STRONGER STORMS. ALSO, HEAVY RAIN COULD LEAD TO QUICK RUNOFF  
AND ELEVATED CREEK LEVELS WITH ANY SLOW MOVING OR TRAINING STORMS.  
 
SHOWERS AND STORMS WILL DECREASE IN COVERAGE THIS EVENING, THOUGH  
AN ISOLATED SHOWER OR STORM OVERNIGHT CAN'T BE RULED OUT. EXPECT  
SIMILAR CONDITIONS THROUGH THE WEEKEND, WITH DIURNAL AFTERNOON  
SHOWERS AND STORMS.  
   
REST OF TODAY  
 
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT). SHOWERS LIKELY  
AND CHANCE OF THUNDERSTORMS.  
CHANCE OF PCPN......70 PERCENT.  
MAX TEMPERATURE.....AROUND 72.  
MIN HUMIDITY........81 PERCENT.  
DEWPOINT............63.  
SURFACE WINDS (MPH).LIGHT WINDS.  
 
TIME (EDT) 10A 11A 12P 1PM 2PM 3PM  
SKY (%).........50 52 37 37 35 39  
WEATHER COV.....LKY CHC CHC CHC LKY CHC  
WEATHER TYPE....RW RW RW RW RW RW  
TSTM COV........CHC CHC CHC CHC CHC CHC  
CHC OF PCPN (%).70 50 50 50 60 30  
TEMP............67 68 69 69 68 66  
DEWPOINT........65 65 64 63 63 62  
RH..............93 90 84 81 84 87  
SURFACE WND DIR.NW NW NW NW NW NW  
SURFACE WND SPD.3 3 3 3 2 3  
SURFACE WND GST.8 8 8 8 8 8  
   
TONIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (45-55 PERCENT). CHANCE OF  
SHOWERS AND THUNDERSTORMS EARLY IN THE EVENING.  
PATCHY FOG OVERNIGHT.  
CHANCE OF PCPN......30 PERCENT.  
MIN TEMPERATURE.....AROUND 59.  
MAX HUMIDITY........100 PERCENT.  
DEWPOINT............60.  
SURFACE WINDS (MPH).LIGHT WINDS EARLY IN THE EVENING BECOMING  
SOUTHWEST 5 TO 6 MPH, THEN SHIFTING TO THE  
NORTHWEST AROUND 5 MPH OVERNIGHT BECOMING  
LIGHT.  
 
TIME (EDT) 4PM 5PM 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM  
SKY (%).........45 37 37 35 32 30 27 35 29 38 43 52  
WEATHER COV.....CHC PTY PTY  
WEATHER TYPE....RW FOG FOG  
TSTM COV........CHC  
CHC OF PCPN (%).30 10 10 0 0 0 0 0 0 10 10 10  
TEMP............64 62 61 60 60 60 60 60 60 59 59 60  
DEWPOINT........62 61 60 59 59 60 60 60 59 59 59 60  
RH..............93 97 97 96 96 100 100 100 96 100 100 100  
SURFACE WND DIR.W SW SW SW SW SW SW W W W NW NW  
SURFACE WND SPD.3 5 5 5 5 6 6 6 5 5 5 3  
SURFACE WND GST.8 8 8 8 8 8 8 8 8 8 7 7  
   
SATURDAY  
 
SKY/WEATHER.........MOSTLY SUNNY (45-55 PERCENT). CHANCE OF SHOWERS  
AND THUNDERSTORMS IN THE MORNING, THEN SHOWERS  
WITH THUNDERSTORMS LIKELY IN THE AFTERNOON.  
CHANCE OF PCPN......80 PERCENT.  
MAX TEMPERATURE.....AROUND 71.  
MIN HUMIDITY........84 PERCENT.  
DEWPOINT............62.  
SURFACE WINDS (MPH).LIGHT WINDS BECOMING WEST 5 TO 6 MPH IN THE  
LATE MORNING AND AFTERNOON.  
 
TIME (EDT) 4AM 5AM 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM  
SKY (%).........45 38 40 42 48 54 60 60 59 59 56 54  
WEATHER COV.....SCH CHC CHC CHC CHC CHC DEF DEF DEF LKY LKY LKY  
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW  
TSTM COV........ CHC CHC CHC LKY LKY LKY LKY LKY LKY  
CHC OF PCPN (%).20 30 40 50 50 50 80 80 80 60 60 60  
TEMP............61 62 64 67 68 67 67 68 68 68 67 65  
DEWPOINT........61 62 63 63 63 64 64 64 64 64 63 63  
RH..............100 100 97 87 84 90 90 87 87 87 87 93  
SURFACE WND DIR.NW NW W W W W W W NW NW W W  
SURFACE WND SPD.3 3 3 5 5 5 5 5 5 5 5 6  
SURFACE WND GST.7 7 7 8 9 9 10 10 10 10 10 10  
 
 
FORECASTER...SAM ROBERTS  
REQUESTED BY...HEEMSTRA  
TYPE OF REQUEST...SAR  
.TAG 2517824.0/MRX  
.DELDT 07/11/25  
.FORMATTERVERSION 2.0.0  
.EMAIL GRSM_DISPATCH@NPS.GOV  
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab TN Page
The Nexlab VA Page
The Nexlab NC Page
Main Text Page