796  
FNUS74 KSHV 181939  
FWSSHV  
 
SPOT FORECAST FOR WINN BU-024...USDA FS  
NATIONAL WEATHER SERVICE SHREVEPORT LA  
239 PM CDT MON MAY 18 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0800 CDT ON MAY 19.  
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
 
 
SHOWERS AND THUNDERSTORMS WILL RETURN TO AREA FIRE DISTRICTS BY  
TUESDAY AFTERNOON AND EVENING, FOLLOWED BY WIDESPREAD RAINFALL ON  
A DAILY BASIS FOR THE REMAINDER OF THE WEEK AND INTO THE WEEKEND.  
SOME STORMS TOMORROW AFTERNOON AND EVENING MAY BECOME SEVERE.  
MINIMUM RELATIVE HUMIDITY VALUES WILL RANGE BETWEEN 50 AND 80  
PERCENT, WHILE MIXING HEIGHTS CLIMB TO PEAK VALUES BETWEEN 1000  
FT NORTHWEST AND 4500 FT SOUTHEAST. SOUTH WINDS WILL CONTINUE AT  
MAXIMUM SUSTAINED SPEEDS OF 10 TO 15 KTS WITH GUSTS OF UP TO 20  
KTS, BECOMING VARIABLE LATE TOMORROW WITH THE ARRIVAL OF THE  
FRONTAL BOUNDARY.  
   
TUESDAY
 
 
TIME (CDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........75 75 77 64 50 46 46 46 66 66  
WEATHER COV..... CHC CHC CHC CHC CHC  
WEATHER TYPE.... RW RW RW RW RW  
TSTM COV........ CHC CHC CHC CHC CHC  
CWR.............10 10 10 10 10 30 30 30 50 50  
TEMP............76 77 80 84 86 87 89 88 88 86  
RH..............85 88 79 70 65 61 57 59 59 65  
20 FT WIND DIR..S S S S S S S S S SW  
20 FT WIND MPH..5 6 6 6 6 6 6 6 6 5  
20 FT WIND GUST.9 12 15 13 15 15 13 13 13 15  
MIX HGT (KFT)...1.7 2.1 2.6 3.4 3.8 4.3 4.5 3.8 2.9 2.6  
MIX HGT (KM)....0.5 0.6 0.8 1.0 1.2 1.3 1.4 1.2 0.9 0.8  
TRANSP WIND DIR.S S S S S S S S S SW  
TRANSP WIND SPD.15 15 17 17 16 15 15 14 14 12  
TRANS WIND DIR..S S S S S S S S S SW  
TRANS SPD (M/S).7 7 8 8 7 7 7 6 6 5  
   
TUESDAY NIGHT
 
 
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........73 89 89 89 89 89 89 54 55 67 55 58  
WEATHER COV.....CHC LKY LKY LKY LKY LKY LKY CHC CHC CHC CHC CHC  
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW  
TSTM COV........CHC CHC CHC CHC CHC CHC CHC SCH SCH SCH SCH SCH  
CWR.............50 70 70 70 70 70 70 30 30 30 30 30  
TEMP............83 81 77 75 74 73 73 72 72 72 72 72  
RH..............72 77 85 87 90 90 90 97 93 93 93 93  
20 FT WIND DIR..S SE SW NE SE SE SE SE SE SE SE SE  
20 FT WIND MPH..5 3 2 2 2 2 2 2 1 1 1 1  
20 FT WIND GUST.9 8 9 8 7 8 7 3 5 5 5 7  
MIX HGT (KFT)...2.1 0.6 0.6 0.5 0.4 0.4 0.5 0.5 0.4 0.4 0.4 0.4  
MIX HGT (KM)....0.6 0.2 0.2 0.2 0.1 0.1 0.2 0.2 0.1 0.1 0.1 0.1  
TRANSP WIND DIR.S SE SW N SE E SE SE S S S S  
TRANSP WIND SPD.10 8 8 9 6 9 7 7 7 7 7 7  
TRANS WIND DIR..S SE SW N SE E SE SE S S S S  
TRANS SPD (M/S).4 4 4 4 3 4 3 3 3 3 3 3  
   
WEDNESDAY
 
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........54 62 60 65 70 77 90 97 97 97 97 97  
WEATHER COV.....CHC CHC CHC CHC CHC CHC CHC DEF DEF DEF DEF DEF  
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW  
TSTM COV........SCH SCH SCH SCH SCH SCH SCH CHC CHC CHC CHC CHC  
CWR.............30 40 40 40 40 40 40 80 80 80 80 80  
TEMP............72 72 71 73 75 77 79 81 82 82 83 82  
RH..............93 93 100 97 94 88 85 79 77 74 72 74  
20 FT WIND DIR..SE E N N SE SE SE SE SE SE SE S  
20 FT WIND MPH..1 1 0 0 1 1 1 1 1 2 2 2  
20 FT WIND GUST.5 5 3 5 7 7 7 7 7 8 8 8  
MIX HGT (KFT)...0.4 0.4 0.4 0.8 1.4 2.2 3.0 3.6 3.7 3.4 2.9 2.1  
MIX HGT (KM)....0.1 0.1 0.1 0.2 0.4 0.7 0.9 1.1 1.1 1.0 0.9 0.6  
TRANSP WIND DIR.S S S S S SE SE SE SE SE SE S  
TRANSP WIND SPD.6 6 5 5 6 6 7 7 7 6 6 6  
TRANS WIND DIR..S S S S S SE SE SE SE SE SE S  
TRANS SPD (M/S).3 3 2 2 3 3 3 3 3 3 3 3  
 

 
FORECASTER...PENDLETON  
REQUESTED BY...CHARLES DAVIS  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2613951.0/SHV  
.DELDT 05/18/26  
.FORMATTERVERSION 2.0.0  
.EMAIL CHARLES.G.DAVIS@USSA.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