635  
FNUS74 KSHV 110845  
FWSSHV  
 
SPOT FORECAST FOR BACKBONE...USFS  
NATIONAL WEATHER SERVICE SHREVEPORT LA  
345 AM CDT MON AUG 11 2025  
 
FORECAST IS BASED ON FORECAST START TIME OF 0700 CDT ON AUGUST 11.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE AT (318) 631-3669 EXT. 241, IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST.  
   
DISCUSSION  
 
ANOTHER DAY OF LIGHT EAST TO NORTHEAST WINDS WITH AFTERNOON HIGH TEMPERATURES  
IN THE LOWER 90S. HIGHER HUMIDITY LEVELS TODAY WITH MINIMUM AFTERNOON HUMIDITY  
NEAR 55-60%. THERE WILL CONTINUE TO BE ISOLATED TO WIDELY SCATTERED SHOWERS  
AND THUNDERSTORM CHANCES ACROSS SOUTHERN NATCHITOCHES PARISH TODAY. THOSE  
RAIN CHANCES WILL INCREASE ON TUESDAY.  
 
TIME (CDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........40 40 40 44 40 48 58 58 58 58 58  
WEATHER COV.....SCH SCH SCH SCH SCH SCH CHC CHC CHC CHC CHC  
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW  
TSTM COV........SCH SCH SCH SCH SCH SCH CHC CHC CHC CHC CHC  
CWR.............20 20 20 20 20 20 40 40 40 40 40  
TEMP............73 76 80 86 88 90 90 91 90 90 90  
RH..............93 94 85 68 63 60 60 56 60 58 58  
20 FT WIND DIR..NE E E NE NE NE E NE E E E  
20 FT WIND MPH..1 1 1 1 2 2 2 2 2 2 2  
20 FT WIND GUST.2 2 2 2 3 3 3 3 3 3 3  
MIX HGT (KFT)...0.3 0.4 1.1 2.6 3.2 4.0 4.3 4.6 4.2 4.3 3.9  
TRANSP WIND DIR.S E E NE NE NE E E E E E  
TRANSP WIND SPD.2 2 2 5 7 7 7 7 6 7 8  
TRANS WIND DIR..S E E NE NE NE E E E E E  
TRANS SPD (M/S).1 1 1 2 3 3 3 3 3 3 4  
DISPERSION IDX..2 2 3 15 29 35 35 40 31 37 40  
LVORI...........6 6 6 3 3 1 1 1 1 1 1  
   
TONIGHT  
 
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........58 47 43 40 40 40 40 16 30 46 46 32  
WEATHER COV.....CHC SCH SCH SCH SCH SCH SCH  
WEATHER TYPE....RW RW RW RW RW RW RW  
TSTM COV........CHC SCH SCH SCH SCH SCH SCH  
CWR.............40 20 20 20 20 20 20 0 0 0 0 0  
TEMP............87 83 82 78 78 78 77 77 76 76 75 75  
RH..............65 77 79 91 91 91 90 90 97 94 97 97  
20 FT WIND DIR..E E E SE SE S S S N N N N  
20 FT WIND MPH..1 1 1 1 1 1 1 1 0 0 0 0  
20 FT WIND GUST.2 2 2 2 2 2 2 2 1 1 1 1  
MIX HGT (KFT)...2.4 1.5 0.4 0.4 0.4 0.4 0.3 0.3 0.3 0.3 0.3 0.3  
TRANSP WIND DIR.E NE SE SE SE SE SE S S S S S  
TRANSP WIND SPD.8 8 7 7 6 7 7 6 6 5 5 3  
TRANS WIND DIR..E NE SE SE SE SE SE S S S S S  
TRANS SPD (M/S).4 4 3 3 3 3 3 3 3 2 2 1  
DISPERSION IDX..25 4 3 3 3 3 3 3 3 2 2 2  
LVORI...........3 3 4 6 6 6 6 6 8 6 8 8  
   
TUESDAY  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........26 40 40 40 40 40 47 51 51 51 51 50  
WEATHER COV..... SCH SCH SCH SCH SCH SCH LKY LKY LKY LKY LKY  
WEATHER TYPE.... RW RW RW RW RW RW RW RW RW RW RW  
TSTM COV........ SCH SCH SCH SCH SCH SCH LKY LKY LKY LKY LKY  
CWR.............0 20 20 20 20 20 20 60 60 60 60 60  
TEMP............75 74 76 81 86 87 89 90 89 89 88 86  
RH..............97 100 100 88 75 70 66 62 64 64 66 70  
20 FT WIND DIR..N N N N NE NE NE NE E E SE SE  
20 FT WIND MPH..0 0 0 0 1 1 1 1 1 1 1 1  
20 FT WIND GUST.1 1 1 1 2 2 2 2 2 2 2 2  
MIX HGT (KFT)...0.3 0.3 1.0 2.0 3.0 3.8 4.3 4.5 4.3 3.7 3.0 2.1  
TRANSP WIND DIR.S S S E N N NE E E SE S SE  
TRANSP WIND SPD.3 3 3 3 5 5 5 5 5 6 6 6  
TRANS WIND DIR..S S S E N N NE E E SE S SE  
TRANS SPD (M/S).1 1 1 1 2 2 2 2 2 3 3 3  
DISPERSION IDX..2 3 4 10 18 23 25 26 27 26 22 16  
LVORI...........9 9 9 4 3 3 3 2 3 3 3 3  
 
 
FORECASTER...BERRY  
REQUESTED BY...ROBERT VERDIE  
TYPE OF REQUEST...WILDFIRE  
.TAG 2519693.0/SHV  
.DELDT 08/11/25  
.FORMATTERVERSION 2.0.0  
.EMAIL ROBERT_VERDIE@FIRENET.GOV  
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab LA Page
The Nexlab TX Page
The Nexlab AR Page
The Nexlab OK Page
Main Text Page