516  
FNUS74 KMRX 200856  
FWSMRX  
 
SPOT FORECAST FOR APPALACHIA FIRE...USFS  
NATIONAL WEATHER SERVICE MORRISTOWN TN  
456 AM EDT MON APR 20 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 0500 EDT ON APRIL 20.  
 
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 CAN BE EXPECTED THROUGH THE FORECAST. MINIMUM RHS  
WILL RANGE FROM AROUND 25 TO 29 PERCENT. WINDS WILL INCREASE OUT  
OF THE NW LATER TODAY AND INTO THE EVENING HOURS. WINDS WILL BE A  
BIT LIGHTER TUESDAY AND OUT OF THE WEST DURING THE AFTERNOON.  
 
   
REST OF TONIGHT
 
 
SKY/WEATHER.........CLEAR (0-10 PERCENT).  
MIN TEMPERATURE.....AROUND 41.  
MAX HUMIDITY........73 PERCENT.  
WIND (20 FT)........LIGHT WINDS.  
RAINFALL AMOUNT.....0.00 INCHES.  
 
TIME (EDT) 5AM  
SKY (%).........3  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............42  
RH..............67  
20 FT WIND DIR..S  
20 FT WIND SPD..1  
20 FT WIND GUST.4  
   
TODAY
 
 
SKY/WEATHER.........SUNNY (10-20 PERCENT).  
MAX TEMPERATURE.....AROUND 72.  
MIN HUMIDITY........29 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING NORTHWEST 5 TO 6 MPH WITH  
GUSTS TO AROUND 16 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 (%).........5 4 3 2 2 3 3 3 15 28 25 15  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............42 41 43 47 56 61 64 66 69 70 71 72  
RH..............70 73 67 65 47 39 37 33 32 31 29 29  
20 FT WIND DIR..SE SE SE W W W W W NW NW NW NW  
20 FT WIND SPD..1 1 1 2 2 5 6 6 6 6 6 6  
20 FT WIND GUST.4 5 5 6 8 11 13 14 16 16 14 14  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (0-10 PERCENT).  
MIN TEMPERATURE.....AROUND 44.  
MAX HUMIDITY........70 PERCENT.  
WIND (20 FT)........NORTHWEST WINDS 5 TO 6 MPH EARLY IN THE EVENING  
BECOMING LIGHT.  
RAINFALL AMOUNT.....0.00 INCHES.  
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........9 5 5 5 6 8 5 6 7 6 5 4  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............70 69 66 59 55 52 51 49 48 46 45 45  
RH..............30 31 34 44 49 56 59 61 60 65 68 68  
20 FT WIND DIR..NW NW NW N N N E N N SE SE SE  
20 FT WIND SPD..6 5 2 2 1 1 1 0 0 1 1 1  
20 FT WIND GUST.14 13 10 8 6 6 5 4 4 4 4 4  
   
TUESDAY
 
 
SKY/WEATHER.........SUNNY (15-25 PERCENT).  
MAX TEMPERATURE.....AROUND 78.  
MIN HUMIDITY........25 PERCENT.  
WIND (20 FT)........LIGHT WINDS.  
RAINFALL AMOUNT.....0.00 INCHES.  
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........6 6 4 4 6 7 11 15 19 26 32 39  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............44 45 46 51 58 66 71 74 76 77 78 77  
RH..............70 68 68 66 53 40 32 29 27 25 25 25  
20 FT WIND DIR..SE SE SE SE S SW W W W W W W  
20 FT WIND SPD..1 1 2 1 1 2 3 3 4 4 4 4  
20 FT WIND GUST.5 5 5 5 5 6 6 8 10 10 10 10  
 

 
FORECASTER...KERRIE SIMMONS  
REQUESTED BY...W. SULTEMEIER  
TYPE OF REQUEST...WILDFIRE  
.TAG 2610549.4/MRX  
.DELDT 04/20/26  
.FORMATTERVERSION 2.0.0  
.EMAIL WESLEY.SULTEMEIER@USDA.GOV,CHRISTOPHER.MCTAGGART@USDA.GOV,BRIAN.MATOY@USDA.GOV,CHARLES.DANIELS@USDA.GOV  
 
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