161  
FNUS74 KMRX 100909  
FWSMRX  
 
SPOT FORECAST FOR ROUGH BRANCH...USFS  
NATIONAL WEATHER SERVICE MORRISTOWN TN  
509 AM EDT FRI APR 10 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0600 EDT ON APRIL 10.  
 
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  
 
...LOW AFTERNOON RELATIVE HUMIDITY VALUES EXPECTED TO PERSIST  
THROUGH THE 7 DAY PERIOD...  
 
DESIPITE A COOLER START TO THE MORNING, PLENTY OF SUNSHINE WILL  
CONTINUE TO PROMOTE ABOVE NORMAL TEMPERATURES THIS AFTERNOON.  
WINDS WILL REMAIN LIGHT, THOUGH, AFTERNOON RELATIVE HUMIDITIES  
WILL BE LOW.  
 
DRY WEATHER IS LARGELY EXPECTED THROUGHOUT THE 7 DAY FORECAST  
PERIOD, ALONG WITH UNSEASONABLY WARM TEMPERATURES. THE HOTTEST  
DAYS ARE EXPECTED IN THE MIDDLE OF NEXT WEEK, WHICH COULD BRING  
NEAR TO POSSIBLY RECORD BREAKING HEAT. LOW AFTERNOON RELATIVE  
HUMIDITY IS ALSO EXPECTED EACH AFTERNOON. WHILE WINDS WILL BE  
LIGHT TODAY AND SATURDAY, IT BECOMES INCREASINGLY LIKELY THAT  
BREEZY CONDITIONS WILL COINCIDE WITH LOW AFTERNOON RH SUNDAY INTO  
THE NEW WORK WEEK.  
   
TODAY  
 
SKY/WEATHER.........SUNNY (0-10 PERCENT).  
MAX TEMPERATURE.....AROUND 73.  
MIN HUMIDITY........22 PERCENT.  
WIND (20 FT)........SOUTHEAST WINDS AROUND 5 MPH EARLY IN THE  
MORNING BECOMING LIGHT, THEN BECOMING NORTHWEST  
AROUND 5 MPH LATE IN THE AFTERNOON.  
MIXING HEIGHT.......4700 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 6 TO 10 MPH SHIFTING TO THE NORTHWEST  
3 TO 9 MPH IN THE LATE MORNING AND AFTERNOON.  
RAINFALL AMOUNT.....0.00 INCHES.  
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........4 6 3 1 1 2 1 3 5 4 5 11  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............49 47 46 49 57 62 66 69 71 72 72 73  
RH..............40 47 49 46 34 31 29 27 27 25 24 22  
20 FT WIND DIR..SE S S S S NW NW NW NW NW NW NW  
20 FT WIND SPD..5 4 3 3 2 3 4 4 5 5 5 5  
20 FT WIND GUST.10 8 8 6 4 5 6 6 7 7 7 7  
MIX HGT (KFT)...0.5 0.5 0.5 0.7 1.6 2.7 3.3 3.7 4.3 4.7 4.7 4.5  
TRANSP WIND DIR.SE SE SE SE W NW NW NW W W W W  
TRANSP WIND SPD.10 9 8 6 3 5 7 7 7 8 8 9  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT).  
MIN TEMPERATURE.....AROUND 50.  
MAX HUMIDITY........56 PERCENT.  
WIND (20 FT)........NORTHWEST WINDS AROUND 5 MPH EARLY IN THE  
EVENING BECOMING LIGHT, THEN BECOMING SOUTH  
AROUND 5 MPH OVERNIGHT BECOMING LIGHT BECOMING  
SOUTH AROUND 5 MPH EARLY IN THE MORNING.  
MIXING HEIGHT.......500 FT AGL.  
TRANSPORT WINDS.....WEST 3 TO 8 MPH SHIFTING TO THE SOUTHWEST 3 TO  
7 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 (%).........5 13 14 19 13 13 10 13 20 22 15 12  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............71 70 67 61 58 57 55 54 53 53 52 52  
RH..............24 24 28 36 40 42 43 45 45 45 48 50  
20 FT WIND DIR..NW NW NW SW S S S S S S S S  
20 FT WIND SPD..5 4 3 2 2 4 4 5 4 4 4 5  
20 FT WIND GUST.8 6 7 5 5 6 6 6 6 6 6 6  
MIX HGT (KFT)...3.8 0.9 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5  
TRANSP WIND DIR.W NW NW SW S S S S SW S SW SW  
TRANSP WIND SPD.8 5 5 3 3 5 6 7 6 6 6 6  
   
SATURDAY  
 
SKY/WEATHER.........SUNNY (10-20 PERCENT).  
MAX TEMPERATURE.....AROUND 76.  
MIN HUMIDITY........33 PERCENT.  
WIND (20 FT)........SOUTH WINDS AROUND 5 MPH EARLY IN THE MORNING  
BECOMING LIGHT, THEN BECOMING NORTHWEST 5 TO 6  
MPH EARLY IN THE AFTERNOON BECOMING LIGHT.  
MIXING HEIGHT.......5600 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 5 TO 6 MPH SHIFTING TO THE NORTHWEST  
6 TO 8 MPH IN THE LATE MORNING AND AFTERNOON.  
RAINFALL AMOUNT.....0.00 INCHES.  
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........10 20 21 18 17 15 13 12 10 9 9 8  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............52 51 52 56 61 67 71 73 74 76 76 76  
RH..............50 56 56 51 46 40 38 35 37 33 34 34  
20 FT WIND DIR..S SE S SW W W NW NW NW NW NW NW  
20 FT WIND SPD..5 4 4 3 2 3 5 6 6 5 4 4  
20 FT WIND GUST.6 5 5 6 6 7 8 8 8 8 7 7  
MIX HGT (KFT)...0.5 0.4 0.4 1.1 1.9 2.8 3.7 4.5 5.1 5.5 5.6 5.2  
TRANSP WIND DIR.SW SW SW W W NW NW NW NW NW NW NW  
TRANSP WIND SPD.6 6 5 6 7 8 8 8 8 7 7 6  
 
 
FORECASTER...KYLE SNOWDIN  
REQUESTED BY...MAXWELL WHITE  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2609146.3/MRX  
.DELDT 04/10/26  
.FORMATTERVERSION 2.0.0  
.EMAIL MAXWELL.WHITE@USDA.GOV  
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