884  
FNUS74 KMRX 190803  
FWSMRX  
 
SPOT FORECAST FOR SAWMILL BRANCH RX...USFS  
NATIONAL WEATHER SERVICE MORRISTOWN TN  
403 AM EDT THU MAR 19 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0900 EDT ON MARCH 19.  
 
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  
 
WARMING TREND TO CONTINUE INTO THE WEEKEND WITH THE WARMEST WEATHER  
ON SUNDAY. ONLY LOW CHANCES FOR RAIN OVER THE NEXT WEEK. A COLD  
FRONT ON MONDAY TO COOL TEMPERATURES BACK DOWN INTO SEASONABLE LATE  
MARCH WEATHER.  
   
REST OF TODAY  
 
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT) THEN BECOMING  
SUNNY (15-25 PERCENT).  
MAX TEMPERATURE.....AROUND 66.  
MIN HUMIDITY........35 PERCENT.  
WIND (20 FT)........LIGHT WINDS.  
MIXING HEIGHT.......3900 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 8 TO 12 MPH DECREASING TO 5 TO 7 MPH  
LATE IN THE AFTERNOON.  
RAINFALL AMOUNT.....0.00 INCHES.  
 
TIME (EDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM  
SKY (%).........54 66 70 69 77 49 44 37 24 23 17  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............41 48 52 55 58 60 63 64 64 65 63  
RH..............62 51 46 43 40 37 36 35 37 35 41  
20 FT WIND DIR..S S SW SW SW SW SW SW SW SW S  
20 FT WIND SPD..2 2 3 3 4 4 4 4 3 2 2  
20 FT WIND GUST.6 6 7 7 8 8 8 7 7 6 5  
MIX HGT (KFT)...0.6 1.1 1.7 2.2 2.6 3.0 3.3 3.6 3.9 3.0 0.9  
TRANSP WIND DIR.S S SW SW SW SW SW W W SW SW  
TRANSP WIND SPD.9 9 12 10 9 8 8 7 7 6 5  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT).  
MIN TEMPERATURE.....AROUND 45.  
MAX HUMIDITY........79 PERCENT.  
WIND (20 FT)........LIGHT WINDS.  
MIXING HEIGHT.......400 FT AGL.  
TRANSPORT WINDS.....SOUTH 5 TO 7 MPH.  
RAINFALL AMOUNT.....0.00 INCHES.  
 
TIME (EDT) 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM 6AM 7AM  
SKY (%).........12 7 9 5 6 7 7 8 3 10 29 25  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............60 55 53 52 51 50 50 49 48 47 47 46  
RH..............47 55 59 59 61 66 66 68 71 74 74 76  
20 FT WIND DIR..S S S S S S S S S SE S S  
20 FT WIND SPD..1 1 1 2 1 1 1 1 1 2 2 2  
20 FT WIND GUST.5 4 4 4 4 4 4 4 4 4 4 4  
MIX HGT (KFT)...0.5 0.5 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4  
TRANSP WIND DIR.S S S S S S S S S S S S  
TRANSP WIND SPD.5 6 6 7 7 7 7 7 7 7 7 7  
   
FRIDAY  
 
SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT).  
MAX TEMPERATURE.....AROUND 73.  
MIN HUMIDITY........38 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST 5 TO 6 MPH IN  
THE AFTERNOON, THEN BECOMING LIGHT LATE IN THE  
AFTERNOON.  
MIXING HEIGHT.......4600 FT AGL.  
TRANSPORT WINDS.....SOUTH 6 TO 14 MPH SHIFTING TO THE SOUTHWEST 14  
TO 18 MPH LATE IN THE MORNING.  
RAINFALL AMOUNT.....0.00 INCHES.  
 
TIME (EDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM  
SKY (%).........24 20 23 26 27 29 30 30 30 30 34 37  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............45 48 54 61 65 68 70 72 73 73 72 70  
RH..............79 77 66 56 50 45 42 39 38 38 39 44  
20 FT WIND DIR..S S S SW SW SW SW SW SW SW SW S  
20 FT WIND SPD..2 2 2 2 3 4 5 6 6 6 5 4  
20 FT WIND GUST.4 5 6 6 8 10 12 13 13 12 11 10  
MIX HGT (KFT)...0.4 0.7 1.4 2.2 2.9 3.5 4.0 4.4 4.6 4.3 3.2 1.8  
TRANSP WIND DIR.S S S S SW SW SW SW SW SW SW SW  
TRANSP WIND SPD.7 6 8 12 14 16 17 18 18 17 16 14  
 
 
FORECASTER...JEANIE MCDERMOTT  
REQUESTED BY...BRANDON WOMACK  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2606364.0/MRX  
.DELDT 03/19/26  
.FORMATTERVERSION 2.0.0  
.EMAIL MATTHEW.DERSTINE@USDA.GOV,BRANDON.WOMACK@USDA.GOV,BRIAN.MATOY@USDA.GOV,CHARLES.DANIELS@USDA.GOV  
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