548  
FNUS74 KFWD 161917  
FWSFWD  
 
SPOT FORECAST FOR JOHNSON 4339...TFS  
NATIONAL WEATHER SERVICE FORT WORTH TX  
217 PM CDT TUE SEP 16 2025  
 
FORECAST IS BASED ON FORECAST START TIME OF 1500 CDT ON SEPTEMBER 16.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
..OZONE ACTION DAY IN EFFECT UNTIL 6 PM CDT THIS EVENING  
   
..OZONE ACTION DAY IN EFFECT WEDNESDAY AFTERNOON  
 
   
DISCUSSION  
 
THE MAIN CONCERN THROUGH EARLY EVENING WILL BE THE POTENTIAL FOR  
ISOLATED, SHORT-LIVED SHOWERS OR STORMS. COVERAGE WILL ONLY BE  
AROUND 10-15%, SO THE POTENTIAL WILL BE LOW. HOWEVER,  
GUSTY/ERRATIC WINDS AND OCCASIONAL LIGHTNING STRIKES MAY OCCUR  
IN OR NEARBY ANY OF THIS ACTIVITY. TEMPERATURES WILL BE IN THE LOW  
90S THE REMAINDER OF THE AFTERNOON, WITH RELATIVE HUMIDITY FALLING  
TO AROUND 35%. WINDS WILL BE OUT OF THE SOUTH TO SOUTHEAST AROUND  
5 MPH OR LESS, BUT DIRECTION MAY BE VARIABLE AT TIMES GIVEN THE  
LIGHT WIND SPEEDS. RH WILL RECOVER TO AROUND 80% OVERNIGHT. WINDS  
MAY BECOME SOUTHWESTERLY OR EVEN WESTERLY FOR A FEW HOURS EARLY  
WEDNESDAY MORNING (AROUND 5 AM), BUT WIND SPEEDS WILL REMAIN BELOW  
5 MPH. SIMILAR WEATHER IS EXPECTED ON WEDNESDAY.  
 
   
REST OF TODAY  
 
SKY/WEATHER.........SUNNY (15-25 PERCENT). SLIGHT CHANCE OF SHOWERS  
AND THUNDERSTORMS LATE IN THE AFTERNOON.  
MAX TEMPERATURE.....AROUND 92.  
MIN HUMIDITY........37 PERCENT.  
WIND (20 FT)........SOUTH WINDS AROUND 5 MPH. GUSTY AND ERRATIC  
WINDS EXPECTED NEAR THUNDERSTORMS LATE IN THE  
AFTERNOON.  
MIXING HEIGHT.......8700 FT AGL.  
TRANSPORT WINDS.....SOUTH 6 TO 7 MPH.  
 
TIME (CDT) 3PM 4PM 5PM  
SKY (%).........17 15 21  
WEATHER COV..... SCH SCH  
WEATHER TYPE.... RW RW  
TSTM COV........ SCH SCH  
TEMP............92 92 92  
RH..............38 37 37  
20 FT WIND DIR..S SE S  
20 FT WIND SPD..6 6 6  
20 FT WIND GUST.9 9 9  
MIX HGT (KFT)...8.7 8.6 8.2  
TRANSP WIND DIR.S SE S  
TRANSP WIND SPD.7 6 6  
   
TONIGHT  
 
SKY/WEATHER.........CLEAR (0-10 PERCENT). SLIGHT CHANCE OF SHOWERS  
AND THUNDERSTORMS EARLY IN THE EVENING.  
MIN TEMPERATURE.....AROUND 69.  
MAX HUMIDITY........78 PERCENT.  
WIND (20 FT)........SOUTH WINDS AROUND 5 MPH EARLY IN THE EVENING  
BECOMING LIGHT. GUSTY AND ERRATIC WINDS  
EXPECTED NEAR THUNDERSTORMS EARLY IN THE  
EVENING.  
MIXING HEIGHT.......400 FT AGL.  
TRANSPORT WINDS.....SOUTH 6 TO 10 MPH SHIFTING TO THE SOUTHWEST  
AROUND 9 MPH EARLY IN THE MORNING.  
 
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........6 2 2 6 5 4 4 2 3 4 2 2  
WEATHER COV.....SCH SCH SCH SCH  
WEATHER TYPE....RW RW RW RW  
TSTM COV........SCH SCH SCH SCH  
TEMP............91 89 85 82 80 79 77 74 74 73 72 71  
RH..............38 41 46 51 54 56 60 66 66 71 73 73  
20 FT WIND DIR..S S S S S S S S S S S SW  
20 FT WIND SPD..6 6 6 5 6 5 5 5 3 3 3 3  
20 FT WIND GUST.9 8 7 7 7 7 7 7 7 7 6 6  
MIX HGT (KFT)...7.2 1.2 0.5 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4  
TRANSP WIND DIR.S S S S S S S S S S SW SW  
TRANSP WIND SPD.6 8 8 9 9 10 9 9 10 8 8 9  
   
WEDNESDAY  
 
SKY/WEATHER.........SUNNY (15-25 PERCENT). SLIGHT CHANCE OF SHOWERS  
AND THUNDERSTORMS IN THE AFTERNOON.  
MAX TEMPERATURE.....AROUND 92.  
MIN HUMIDITY........37 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING SOUTH AROUND 5 MPH IN THE  
AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED  
NEAR THUNDERSTORMS IN THE AFTERNOON.  
MIXING HEIGHT.......9300 FT AGL.  
TRANSPORT WINDS.....WEST 7 TO 10 MPH SHIFTING TO THE SOUTH 6 TO 7  
MPH IN THE AFTERNOON.  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........4 5 8 5 7 8 17 15 30 36 31 29  
WEATHER COV..... SCH SCH SCH SCH SCH  
WEATHER TYPE.... RW RW RW RW RW  
TSTM COV........ SCH SCH SCH SCH SCH  
TEMP............70 69 71 76 83 86 88 91 91 91 92 91  
RH..............76 78 76 69 55 50 45 40 40 40 37 40  
20 FT WIND DIR..SW W W W W W SW S S S S S  
20 FT WIND SPD..3 3 3 5 5 5 5 6 6 6 6 6  
20 FT WIND GUST.6 6 7 7 8 8 8 9 9 9 10 10  
MIX HGT (KFT)...0.4 0.4 0.4 0.7 1.5 4.5 6.9 8.4 9.3 8.6 8.1 7.3  
TRANSP WIND DIR.W W W W W SW S S S S S S  
TRANSP WIND SPD.10 8 8 9 8 7 7 6 6 7 7 6  
 
 
FORECASTER...BARNES  
REQUESTED BY...GRAHAM  
TYPE OF REQUEST...WILDFIRE  
.TAG 2522043.0/FWD  
.DELDT 09/16/25  
.FORMATTERVERSION 2.0.0  
.EMAIL CSDISPATCH@TFS.TAMU.EDU  
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