439  
FNUS74 KMRX 070905  
FWSMRX  
 
SPOT FORECAST FOR O61- HALFWAY BRANCH...USFS  
NATIONAL WEATHER SERVICE MORRISTOWN TN  
505 AM EDT TUE APR 7 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0500 EDT ON APRIL 07.  
 
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
 
 
DEEP MIXING TODAY BENEATH HIGH PRESSURE BUT GENERALLY FAIRLY  
LIGHT AND STILL NORTHERLY WINDS. WINDS THIS MORNING ARE FAIRLY  
CALM, EXPECTED TO INCREASE TO A SUSTAINED 10 MPH BY THE AFTERNOON  
WITH A FEW GUSTS 15 TO 20 MPH DURING THE REGULAR AFTERNOON PEAK.  
NO PRECIPITATION EXPECTED TODAY. AFTERNOON RELATIVE HUMIDITIES  
WILL BE FAIRLY LOW. LOW AFTERNOON RH VALUES COUPLED WITH LIGHT  
SYNOPTIC WIND FLOW WILL ALSO BE IN PLACE ON WEDNESDAY.  
   
REST OF TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT).  
MIN TEMPERATURE.....AROUND 46.  
MAX HUMIDITY........65 PERCENT.  
WIND (20 FT)........LIGHT WINDS.  
MIXING HEIGHT.......800 FT AGL.  
TRANSPORT WINDS.....NORTHEAST AROUND 12 MPH.  
RAINFALL AMOUNT.....0.00 INCHES.  
 
TIME (EDT) 5AM  
SKY (%).........28  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............48  
RH..............65  
20 FT WIND DIR..NE  
20 FT WIND SPD..3  
20 FT WIND GUST.8  
MIX HGT (KFT)...0.8  
TRANSP WIND DIR.NE  
TRANSP WIND SPD.12  
   
TODAY
 
 
SKY/WEATHER.........SUNNY (5-15 PERCENT).  
MAX TEMPERATURE.....AROUND 69.  
MIN HUMIDITY........28 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING NORTHEAST 5 TO 7 MPH WITH  
GUSTS TO AROUND 16 MPH IN THE LATE MORNING AND  
AFTERNOON.  
MIXING HEIGHT.......4900 FT AGL.  
TRANSPORT WINDS.....NORTHEAST 12 TO 20 MPH.  
RAINFALL AMOUNT.....0.00 INCHES.  
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........14 9 3 2 2 4 2 4 4 4 5 5  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............48 48 47 51 56 59 63 65 67 68 68 69  
RH..............65 65 65 59 49 42 36 33 29 28 29 30  
20 FT WIND DIR..NE NE NE NE NE NE NE N N N N N  
20 FT WIND SPD..3 3 4 5 5 6 6 7 7 7 7 6  
20 FT WIND GUST.10 10 11 11 13 14 14 16 16 16 14 14  
MIX HGT (KFT)...0.7 0.8 0.8 1.2 1.9 2.5 3.1 4.0 4.7 4.9 4.9 4.7  
TRANSP WIND DIR.NE NE NE NE NE NE NE N N N N N  
TRANSP WIND SPD.12 12 12 14 16 17 16 18 20 18 18 18  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT).  
MIN TEMPERATURE.....AROUND 46.  
MAX HUMIDITY........61 PERCENT.  
WIND (20 FT)........NORTHEAST WINDS 5 TO 6 MPH EARLY IN THE EVENING  
BECOMING LIGHT.  
MIXING HEIGHT.......700 FT AGL.  
TRANSPORT WINDS.....NORTHEAST 8 TO 17 MPH SHIFTING TO THE EAST 7 TO  
8 MPH AFTER 3 AM.  
RAINFALL AMOUNT.....0.00 INCHES.  
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........3 4 5 6 5 12 16 27 35 33 28 26  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............67 66 63 58 56 54 53 53 51 50 49 48  
RH..............30 30 36 45 49 52 52 54 59 58 61 60  
20 FT WIND DIR..NE NE NE NE NE NE NE NE NE NE NE E  
20 FT WIND SPD..6 5 5 4 4 3 3 2 2 2 2 2  
20 FT WIND GUST.14 14 13 12 11 10 10 8 7 7 6 7  
MIX HGT (KFT)...4.4 1.9 0.9 0.8 0.8 0.8 0.8 0.7 0.7 0.7 0.7 0.7  
TRANSP WIND DIR.N NE N NE NE NE NE E NE E E E  
TRANSP WIND SPD.17 14 12 12 12 10 9 9 8 7 8 8  
   
WEDNESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT).  
MAX TEMPERATURE.....AROUND 72.  
MIN HUMIDITY........28 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST AROUND 5 MPH IN  
THE AFTERNOON.  
MIXING HEIGHT.......6000 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 6 TO 9 MPH.  
RAINFALL AMOUNT.....0.00 INCHES.  
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........35 29 33 46 44 41 43 46 48 48 48 48  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............48 48 47 51 56 61 65 67 69 70 71 71  
RH..............58 58 60 54 47 39 35 32 30 29 28 28  
20 FT WIND DIR..E E SE SE SE SE SE SE SE SE SE SE  
20 FT WIND SPD..2 2 2 2 3 4 5 5 5 5 5 5  
20 FT WIND GUST.7 7 8 8 8 10 10 10 10 10 11 11  
MIX HGT (KFT)...0.7 0.7 0.7 1.5 2.3 3.0 3.8 4.5 5.0 5.7 6.0 5.7  
TRANSP WIND DIR.E E E SE SE SE SE SE E E SE SE  
TRANSP WIND SPD.9 8 9 9 8 7 6 6 6 6 6 6  
 

 
FORECASTER...NATHAN WELLINGTON  
REQUESTED BY...CODY DANIELS  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2609166.1/MRX  
.DELDT 04/07/26  
.FORMATTERVERSION 2.0.0  
.EMAIL CHARLES.DANIELS@USDA.GOV,WESLEY.SULTEMEIER@USDA.GOV,BRIAN.MATOY@USDA.GOV,ROBERT.CULP@USDA.GOV,JRAY@BLM.GOV  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab TN Page
The Nexlab VA Page
The Nexlab NC Page Main Text Page