267  
FNUS74 KMRX 240943  
FWSMRX  
 
SPOT FORECAST FOR BACK VALLEY RX...TWRA  
NATIONAL WEATHER SERVICE MORRISTOWN TN  
543 AM EDT TUE MAR 24 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0800 EDT ON MARCH 24.  
 
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  
 
   
..VERY LOW RH TODAY, HOWEVER, WINDS WILL BE LIGHT  
 
DRY WEATHER IS FORECAST THROUGH WEDNESDAY. WINDS EXPECTED TO BE  
LIGHT. PRIMARILY NORTHERLY WINDS EARLY TODAY WILL BECOME VARIABLE  
IN DIRECTION BEFORE TURNING OUT OF THE S AND SE EARLY WEDNESDAY.  
VERY LOW MINIMUM RH EXPECTED TODAY WITH GOOD IMPROVEMENT WEDNESDAY  
AFTERNOON.  
   
REST OF TODAY  
 
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT) THEN BECOMING  
SUNNY (10-20 PERCENT).  
MAX TEMPERATURE.....AROUND 64.  
MIN HUMIDITY........19 PERCENT.  
WIND (20 FT)........LIGHT WINDS.  
MIXING HEIGHT.......3700 FT AGL.  
TRANSPORT WINDS.....EAST 5 TO 12 MPH SHIFTING TO THE NORTH AROUND 2  
MPH LATE IN THE AFTERNOON.  
RAINFALL AMOUNT.....0.00 INCHES.  
 
TIME (EDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........92 72 51 29 6 4 3 3 10 7  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............38 40 44 48 53 56 61 62 63 64  
RH..............62 57 49 40 31 26 21 20 20 19  
20 FT WIND DIR..NE NE NE NE NE NE E SE SE E  
20 FT WIND SPD..2 2 2 3 2 2 2 2 2 1  
20 FT WIND GUST.10 10 8 10 8 7 6 6 6 5  
MIX HGT (KFT)...0.9 1.5 1.7 1.9 2.4 2.6 3.1 3.4 3.7 3.6  
TRANSP WIND DIR.E E E E E E E E E N  
TRANSP WIND SPD.8 12 10 9 8 7 6 5 5 2  
   
TONIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (45-55 PERCENT) THEN BECOMING  
PARTLY CLOUDY (40-50 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (55-65 PERCENT) THEN BECOMING  
PARTLY CLOUDY (45-55 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (65-75 PERCENT).  
MIN TEMPERATURE.....AROUND 43.  
MAX HUMIDITY........62 PERCENT.  
WIND (20 FT)........LIGHT WINDS.  
MIXING HEIGHT.......300 FT AGL.  
TRANSPORT WINDS.....NORTH AROUND 3 MPH SHIFTING TO THE EAST 3 TO 6  
MPH IN THE EVENING AND OVERNIGHT, THEN SHIFTING  
TO THE SOUTHEAST 5 TO 6 MPH AFTER 3 AM.  
RAINFALL AMOUNT.....0.00 INCHES.  
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........17 37 49 52 45 60 57 66 61 48 65 70  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............63 62 58 53 52 50 48 48 47 46 45 44  
RH..............21 22 29 35 39 46 49 49 51 53 58 60  
20 FT WIND DIR..E N N N N N N N E E E SE  
20 FT WIND SPD..1 0 0 0 0 0 0 0 1 1 1 1  
20 FT WIND GUST.5 2 2 2 2 2 2 2 4 4 4 5  
MIX HGT (KFT)...3.6 1.5 0.4 0.4 0.3 0.3 0.3 0.3 0.4 0.4 0.4 0.4  
TRANSP WIND DIR.N E E E NE E E E E SE S S  
TRANSP WIND SPD.3 3 3 5 5 6 6 5 5 5 6 5  
   
WEDNESDAY  
 
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT).  
MAX TEMPERATURE.....AROUND 68.  
MIN HUMIDITY........37 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST AROUND 5 MPH  
LATE IN THE AFTERNOON.  
MIXING HEIGHT.......4000 FT AGL.  
TRANSPORT WINDS.....SOUTH 5 TO 14 MPH SHIFTING TO THE SOUTHWEST 16  
TO 18 MPH IN THE AFTERNOON.  
RAINFALL AMOUNT.....0.00 INCHES.  
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........71 63 58 42 45 47 48 49 50 48 45 43  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............44 43 43 46 51 56 60 63 65 67 68 68  
RH..............60 62 62 58 50 45 41 39 38 37 37 39  
20 FT WIND DIR..SE SE SE S S S S S S S SW SW  
20 FT WIND SPD..1 1 1 2 2 2 3 4 5 5 5 5  
20 FT WIND GUST.5 5 5 6 6 8 10 10 11 12 12 12  
MIX HGT (KFT)...0.4 0.4 0.4 0.8 1.2 1.7 2.2 2.8 3.3 3.7 4.0 3.9  
TRANSP WIND DIR.SE S S S S S S SW SW SW SW SW  
TRANSP WIND SPD.5 5 5 7 9 12 14 17 18 18 17 16  
 
 
FORECASTER...KERRIE SIMMONS  
REQUESTED BY...DUSTIN MCCUBBINS  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2607173.1/MRX  
.DELDT 03/24/26  
.FORMATTERVERSION 2.0.0  
.EMAIL DUSTIN.J.MCCUBBINS@TN.GOV  
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