383  
FNUS74 KMRX 091018  
FWSMRX  
 
SPOT FORECAST FOR ROUGH BRANCH...USFS  
NATIONAL WEATHER SERVICE MORRISTOWN TN  
618 AM EDT THU APR 9 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0640 EDT ON APRIL 09.  
 
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  
 
DRY WEATHER WILL CONTINUE WITH LOW RH VALUES BOTH THIS AFTERNOON  
AND TOMORROW AFTERNOON.  
 
WINDS THIS MORNING ARE AGAIN A LITTLE BREEZY AT THE CAMPGROUND.  
EXPECTING WINDS TO LIGHTEN UP AGAIN FOR THIS AFTERNOON, THEN  
INCREASE WITH A FEW GUSTS AGAIN TONIGHT, THOUGH MAGNITUDE SHOULD  
BE SLIGHTLY LESSER. LOOKING AHEAD TO FRIDAY NIGHT, THE TEMPERATURE  
GRADIENT WILL BE A LOT LESSER, WITH WINDS FRIDAY NIGHT WEAKER AS  
RESULT. OTHERWISE WINDS DURING THE DAY ON FRIDAY, ESPECIALLY THE  
AFTERNOON, WILL BE LIGHT.  
   
TODAY  
 
SKY/WEATHER.........MOSTLY SUNNY (20-30 PERCENT).  
MAX TEMPERATURE.....AROUND 71.  
MIN HUMIDITY........23 PERCENT.  
WIND (20 FT)........SOUTHEAST WINDS 5 TO 8 MPH WITH GUSTS TO AROUND  
18 MPH IN THE MORNING BECOMING LIGHT.  
MIXING HEIGHT.......5400 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 7 TO 16 MPH SHIFTING TO THE EAST 3 TO  
6 MPH IN THE AFTERNOON.  
RAINFALL AMOUNT.....0.00 INCHES.  
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........39 42 38 21 27 34 33 39 31 25 21 12  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............45 44 45 48 53 58 62 66 68 70 71 71  
RH..............45 47 47 42 36 32 27 25 24 23 24 25  
20 FT WIND DIR..SE SE SE SE SE SE SE SE SE SE E E  
20 FT WIND SPD..8 8 7 8 6 6 5 3 3 2 2 2  
20 FT WIND GUST.20 19 16 14 12 10 7 6 6 6 6 5  
MIX HGT (KFT)...0.6 0.6 0.6 1.3 1.4 1.8 2.7 3.6 4.6 5.1 5.4 5.3  
TRANSP WIND DIR.SE SE SE SE SE SE S E E E E E  
TRANSP WIND SPD.18 18 16 15 14 10 7 6 5 3 3 3  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT).  
MIN TEMPERATURE.....AROUND 47.  
MAX HUMIDITY........42 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST 6 TO 8 MPH WITH  
GUSTS TO AROUND 16 MPH EARLY IN THE EVENING.  
MIXING HEIGHT.......500 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 3 TO 12 MPH INCREASING TO 10 TO 15  
MPH IN THE LATE EVENING AND OVERNIGHT.  
RAINFALL AMOUNT.....0.00 INCHES.  
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........6 7 7 6 6 7 4 7 8 11 8 6  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............70 68 64 60 58 56 55 54 53 52 51 50  
RH..............25 26 29 32 32 34 32 34 33 35 36 37  
20 FT WIND DIR..SE SE SE SE SE SE SE SE SE SE SE SE  
20 FT WIND SPD..2 3 6 6 7 8 8 7 7 6 6 6  
20 FT WIND GUST.6 6 11 14 16 16 16 18 17 16 13 10  
MIX HGT (KFT)...4.6 1.7 0.7 0.6 0.6 0.6 0.6 0.6 0.6 0.5 0.5 0.5  
TRANSP WIND DIR.S S SE SE SE SE SE SE SE SE SE SE  
TRANSP WIND SPD.3 6 8 12 14 15 16 17 16 14 13 10  
   
FRIDAY  
 
SKY/WEATHER.........SUNNY (0-10 PERCENT).  
MAX TEMPERATURE.....AROUND 73.  
MIN HUMIDITY........23 PERCENT.  
WIND (20 FT)........SOUTHEAST WINDS AROUND 5 MPH EARLY IN THE  
MORNING BECOMING LIGHT, THEN BECOMING NORTHWEST  
AROUND 5 MPH EARLY IN THE AFTERNOON BECOMING  
LIGHT BECOMING NORTHWEST AROUND 5 MPH LATE IN  
THE AFTERNOON BECOMING LIGHT.  
MIXING HEIGHT.......4400 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 6 TO 10 MPH SHIFTING TO THE NORTHWEST  
5 TO 8 MPH LATE IN THE MORNING.  
RAINFALL AMOUNT.....0.00 INCHES.  
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........6 7 4 2 1 2 3 4 5 5 5 6  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............49 49 49 54 59 63 67 69 71 72 73 73  
RH..............39 39 42 35 30 29 27 26 26 24 23 23  
20 FT WIND DIR..SE SE SW SW NE N NW NW NW NW NW NW  
20 FT WIND SPD..5 5 3 2 1 3 4 5 4 4 5 4  
20 FT WIND GUST.10 8 5 4 4 5 5 6 6 6 7 7  
MIX HGT (KFT)...0.5 0.4 0.4 1.0 1.7 2.4 3.1 3.6 4.0 4.4 4.4 4.1  
TRANSP WIND DIR.SE SE SE SE SW NW NW NW NW NW NW NW  
TRANSP WIND SPD.10 8 7 6 5 5 5 6 7 8 8 8  
 
 
FORECASTER...NATHAN WELLINGTON  
REQUESTED BY...MAXWELL WHITE  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2609146.2/MRX  
.DELDT 04/09/26  
.FORMATTERVERSION 2.0.0  
.EMAIL MAXWELL.WHITE@USDA.GOV  
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab TN Page
The Nexlab VA Page
The Nexlab NC Page
Main Text Page