640  
FNUS74 KEWX 010236  
FWSEWX  
 
SPOT FORECAST FOR RIVER BLUFF...TEXAS A&M FOREST SERVICE  
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX  
936 PM CDT MON AUG 31 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 2200 CDT ON AUGUST 31.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
HUMIDITY RECOVERS AROUND OR ABOVE THE 90 PERCENTILE OVERNIGHT INTO  
EARLY TUESDAY MORNING. ANOTHER MOSTLY SUNNY AND HOT DAY IS  
EXPECTED TUESDAY WITH MINIMUM HUMIDITY AGAIN AS LOW AS THE 30 TO  
35 PERCENT RANGE WITH LIGHT SOUTHEAST WINDS.  
   
REST OF TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT).  
CWR.................0 PERCENT.  
MIN TEMPERATURE.....AROUND 74.  
MAX HUMIDITY........97 PERCENT.  
EYE LEVEL WINDS.....SOUTHEAST WINDS UP TO 6 MPH DECREASING TO  
AROUND 3 MPH AFTER 3 AM.  
WIND (20 FT)........  
SLOPE/VALLEY.......SOUTHEAST WINDS 5 TO 8 MPH IN THE LATE EVENING  
AND OVERNIGHT BECOMING LIGHT.  
MIXING HEIGHT.......600 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 8 TO 16 MPH.  
SMOKE DISPERSAL.....FAIR (23600 KNOT-FT) EARLY IN THE EVENING  
DECREASING TO POOR (2700 KNOT-FT) LATE IN THE  
NIGHT.  
 
TIME (CDT) 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........24 15 23 14 7 8 13 12  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0  
TEMP............87 85 83 80 78 77 77 76  
RH..............57 63 70 77 85 88 88 94  
20 FT WIND DIR..SE SE SE SE SE SE SE SE  
20 FT WIND SPD..10 9 9 8 7 6 5 3  
20 FT WIND GUST.18 17 16 15 13 12 10 7  
EYE LVL WND DIR.SE SE SE SE SE SE SE SE  
EYE LVL WND SPD.6 5 5 5 4 4 3 2  
EYE LVL WND GST.11 10 10 9 8 7 6 4  
MIX HGT (KFT)...1.7 1.5 1.3 1.1 1.0 0.7 0.6 0.6  
TRANSP WIND DIR.SE SE SE SE SE SE SE SE  
TRANSP WIND SPD.16 16 16 16 15 13 10 8  
VRATE KT-FT/1K..23 24 22 14 10 6 5 3  
VENTRATE CAT....PR PR PR PR PR PR PR PR  
   
TUESDAY
 
 
SKY/WEATHER.........SUNNY (10-20 PERCENT).  
CWR.................0 PERCENT.  
MAX TEMPERATURE.....AROUND 98.  
MIN HUMIDITY........32 PERCENT.  
EYE LEVEL WINDS.....SOUTHEAST WINDS AROUND 3 MPH SHIFTING TO THE  
AROUND 4 MPH LATE IN THE AFTERNOON.  
WIND (20 FT)........  
SLOPE/VALLEY.......EAST WINDS AROUND 5 MPH EARLY IN THE MORNING  
BECOMING LIGHT, THEN BECOMING SOUTHEAST AROUND  
5 MPH LATE IN THE AFTERNOON.  
MIXING HEIGHT.......8000 FT AGL.  
TRANSPORT WINDS.....EAST 5 TO 12 MPH.  
SMOKE DISPERSAL.....POOR (1900 KNOT-FT) EARLY IN THE MORNING  
INCREASING TO GOOD (48800 KNOT-FT) IN THE  
AFTERNOON.  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........13 14 26 24 22 4 3 2 7 8 6 8  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............75 74 76 78 83 86 90 92 94 96 97 97  
RH..............97 97 94 88 74 61 50 44 40 36 34 34  
20 FT WIND DIR..E E E E SE SE SE SE SE SE SE SE  
20 FT WIND SPD..2 2 2 2 3 5 5 5 5 5 6 6  
20 FT WIND GUST.5 5 5 5 6 7 8 9 10 10 10 10  
EYE LVL WND DIR.E E E E SE SE SE SE SE SE SE SE  
EYE LVL WND SPD.1 1 1 1 2 3 3 3 3 3 4 4  
EYE LVL WND GST.3 3 3 3 4 4 5 5 6 6 6 6  
MIX HGT (KFT)...0.5 0.5 0.9 1.9 2.4 3.3 5.1 6.0 6.5 7.5 8.0 7.4  
TRANSP WIND DIR.SE SE SE SE SE E E E E E E E  
TRANSP WIND SPD.6 5 5 5 5 5 6 7 8 9 10 12  
VRATE KT-FT/1K..2 2 3 10 11 17 24 36 39 46 40 49  
VENTRATE CAT....PR PR PR PR PR PR PR PR PR FR FR FR  
   
TUESDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT).  
CWR.................0 PERCENT.  
MIN TEMPERATURE.....AROUND 74.  
MAX HUMIDITY........90 PERCENT.  
EYE LEVEL WINDS.....SOUTHEAST WINDS AROUND 4 MPH DECREASING TO  
AROUND 3 MPH AFTER 3 AM.  
WIND (20 FT)........  
SLOPE/VALLEY.......SOUTHEAST WINDS 5 TO 6 MPH IN THE EVENING AND  
OVERNIGHT BECOMING LIGHT.  
MIXING HEIGHT.......600 FT AGL.  
TRANSPORT WINDS.....EAST 12 TO 14 MPH SHIFTING TO THE SOUTHEAST 8  
TO 13 MPH OVERNIGHT.  
SMOKE DISPERSAL.....EXCELLENT (64800 KNOT-FT) EARLY IN THE EVENING  
DECREASING TO POOR (3000 KNOT-FT) LATE IN THE  
NIGHT.  
 
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........12 24 12 15 20 11 12 13 10 7 11 23  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............98 96 93 89 86 84 82 81 79 78 76 76  
RH..............32 35 40 47 55 63 67 72 77 79 87 87  
20 FT WIND DIR..SE E E SE SE SE SE SE SE SE SE SE  
20 FT WIND SPD..6 7 6 7 7 7 7 7 6 6 5 3  
20 FT WIND GUST.12 12 12 13 14 13 13 13 12 12 10 8  
EYE LVL WND DIR.SE E E SE SE SE SE SE SE SE SE SE  
EYE LVL WND SPD.4 4 4 4 4 4 4 4 4 4 3 2  
EYE LVL WND GST.7 7 7 8 8 8 8 8 7 7 6 5  
MIX HGT (KFT)...6.2 5.5 4.4 2.2 1.1 1.1 0.9 0.9 0.8 0.7 0.6 0.6  
TRANSP WIND DIR.E E E E SE SE SE S S S S SE  
TRANSP WIND SPD.12 13 13 14 14 14 13 13 12 10 9 8  
VRATE KT-FT/1K..65 60 20 20 17 20 16 16 6 5 8 3  
VENTRATE CAT....GD FR PR PR PR PR PR PR PR PR PR PR  
   
WEDNESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT).  
CWR.................0 PERCENT.  
MAX TEMPERATURE.....AROUND 100.  
MIN HUMIDITY........31 PERCENT.  
EYE LEVEL WINDS.....SOUTH WINDS AROUND 3 MPH INCREASING TO  
SOUTHEAST AROUND 4 MPH LATE IN THE AFTERNOON.  
WIND (20 FT)........  
SLOPE/VALLEY.......SOUTHEAST WINDS AROUND 5 MPH EARLY IN THE  
MORNING BECOMING LIGHT, THEN BECOMING SOUTHEAST  
AROUND 5 MPH LATE IN THE AFTERNOON.  
MIXING HEIGHT.......8900 FT AGL.  
TRANSPORT WINDS.....SOUTH 6 TO 9 MPH.  
SMOKE DISPERSAL.....POOR (2900 KNOT-FT) EARLY IN THE MORNING  
INCREASING TO EXCELLENT (66500 KNOT-FT) IN THE  
AFTERNOON.  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........26 25 69 39 8 6 5 3 6 8 11 9  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............76 74 76 79 83 87 91 94 97 99 99 99  
RH..............85 90 87 82 72 61 50 44 38 34 32 31  
20 FT WIND DIR..SE SE SE SE S S S S S SE SE SE  
20 FT WIND SPD..3 3 2 2 3 3 5 5 5 6 6 6  
20 FT WIND GUST.7 6 6 7 8 9 10 10 10 10 10 10  
EYE LVL WND DIR.SE SE SE SE S S S S S SE SE SE  
EYE LVL WND SPD.2 2 1 1 2 2 3 3 3 4 4 4  
EYE LVL WND GST.4 4 4 4 5 5 6 6 6 6 6 6  
MIX HGT (KFT)...0.5 0.4 0.9 1.8 2.3 3.4 5.7 6.8 7.3 8.4 8.9 8.5  
TRANSP WIND DIR.SE SE SE S S S S S S S S SE  
TRANSP WIND SPD.7 6 6 6 6 6 7 7 7 8 8 9  
VRATE KT-FT/1K..3 3 11 15 19 27 36 44 51 57 63 67  
VENTRATE CAT....PR PR PR PR PR PR PR FR FR FR GD GD  
 

 
FORECASTER...34  
REQUESTED BY...DWAYNE TEEL  
TYPE OF REQUEST...WILDFIRE  
.TAG 2621008.0/EWX  
.DELDT 08/31/26  
.FORMATTERVERSION 2.0.0  
.EMAIL CSDISPATCH@TFS.TAMU.EDU  
 
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