971
FNUS74 KBRO 300319
FWSBRO
SPOT FORECAST FOR SAN FRANCISCO BANCO...USFWS
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1019 PM CDT TUE SEP 29 2026
FORECAST IS BASED ON FORECAST START TIME OF 2300 CDT ON SEPTEMBER 29.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
RELATIVE HUMIDITY IS EXPECTED TO RECOVER TO AROUND
90 PERCENT TONIGHT. EXPECT SOUTHEASTERLY WINDS TO INCREASE TO
AROUND 10 TO 15 MPH WITH OCCASIONAL HIGHER GUSTS AROUND 25 MPH AND
AFTERNOON RELATIVE HUMIDITY TO FALL TO AROUND 35-40 PERCENT.
RAIN-FREE CONDITIONS ARE EXPECTED THROUGH THE FORECAST PERIOD.
RELATIVE HUMIDITY WILL ONCE AGAIN INCREASE TO AROUND 85-90 PERCENT
WEDNESDAY NIGHT.
REST OF TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT) THEN BECOMING
MOSTLY CLOUDY (50-60 PERCENT) THEN BECOMING
PARTLY CLOUDY (35-45 PERCENT) THEN BECOMING
MOSTLY CLOUDY (55-65 PERCENT).
MIN TEMPERATURE.....AROUND 81.
MAX HUMIDITY........88 PERCENT.
EYE LEVEL WINDS.....SOUTHEAST WINDS 6 TO 8 MPH WITH GUSTS TO AROUND
15 MPH.
WIND (20 FT)........SOUTHEAST WINDS 9 TO 12 MPH WITH GUSTS TO
AROUND 25 MPH.
MIXING HEIGHT.......600 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 21 TO 28 MPH DECREASING TO 16 TO 18
MPH AFTER 3 AM.
TIME (CDT) 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........41 54 51 60 59 41 58
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............86 85 84 83 82 82 81
RH..............75 77 80 81 84 84 85
20 FT WIND DIR..SE SE SE SE SE SE SE
20 FT WIND SPD..13 13 12 12 12 10 10
20 FT WIND GUST.25 25 25 25 25 24 24
EYE LVL WND DIR.SE SE SE SE SE SE SE
EYE LVL WND SPD.8 8 7 7 7 6 6
EYE LVL WND GST.15 15 15 15 15 14 14
MIX HGT (KFT)...2.1 1.8 1.6 1.3 1.1 0.9 0.6
TRANSP WIND DIR.SE SE SE SE SE SE SE
TRANSP WIND SPD.28 24 23 21 18 17 16
WEDNESDAY
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT).
MAX TEMPERATURE.....AROUND 105.
MIN HUMIDITY........39 PERCENT.
EYE LEVEL WINDS.....SOUTHEAST WINDS 6 TO 8 MPH WITH GUSTS TO AROUND
16 MPH.
WIND (20 FT)........SOUTHEAST WINDS 9 TO 13 MPH WITH GUSTS TO
AROUND 26 MPH.
MIXING HEIGHT.......6700 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 16 TO 23 MPH.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........42 46 59 48 33 30 32 32 48 48 54 38
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............81 81 81 85 91 95 99 101 103 104 103 102
RH..............85 86 88 81 67 60 50 45 41 39 39 41
20 FT WIND DIR..SE SE SE SE SE SE SE SE SE SE SE SE
20 FT WIND SPD..10 10 10 12 14 14 14 14 14 13 13 14
20 FT WIND GUST.23 23 23 24 25 26 26 25 25 25 25 26
EYE LVL WND DIR.SE SE SE SE SE SE SE SE SE SE SE SE
EYE LVL WND SPD.6 6 6 7 8 8 8 8 8 8 8 8
EYE LVL WND GST.14 14 14 14 15 16 16 15 15 15 15 16
MIX HGT (KFT)...0.4 0.6 1.5 2.6 3.8 4.7 5.4 5.9 6.4 6.7 6.5 6.0
TRANSP WIND DIR.SE SE SE SE S S S S S S SE SE
TRANSP WIND SPD.16 17 18 23 23 22 21 18 17 16 16 17
WEDNESDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT) THEN BECOMING
MOSTLY CLOUDY (65-75 PERCENT) THEN BECOMING
PARTLY CLOUDY (40-50 PERCENT) THEN BECOMING
MOSTLY CLOUDY (50-60 PERCENT) THEN BECOMING
PARTLY CLOUDY (45-55 PERCENT). SLIGHT CHANCE OF
SHOWERS OVERNIGHT.
MIN TEMPERATURE.....AROUND 82.
MAX HUMIDITY........85 PERCENT.
EYE LEVEL WINDS.....SOUTHEAST WINDS 7 TO 9 MPH WITH GUSTS TO AROUND
18 MPH.
WIND (20 FT)........SOUTHEAST WINDS 10 TO 14 MPH WITH GUSTS TO
AROUND 30 MPH.
MIXING HEIGHT.......1300 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 17 TO 25 MPH.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........32 37 36 24 30 45 70 41 46 45 57 48
WEATHER COV..... SCH SCH
WEATHER TYPE.... RW RW
TSTM COV........
TEMP............100 95 91 89 87 87 86 85 85 83 83 83
RH..............45 54 61 66 70 74 77 78 79 80 81 82
20 FT WIND DIR..SE SE SE SE SE SE SE SE SE SE SE SE
20 FT WIND SPD..15 15 15 15 15 15 15 14 13 13 13 12
20 FT WIND GUST.28 29 29 29 29 29 30 30 29 28 28 26
EYE LVL WND DIR.SE SE SE SE SE SE SE SE SE SE SE SE
EYE LVL WND SPD.9 9 9 9 9 9 9 8 8 8 8 7
EYE LVL WND GST.17 17 17 17 17 17 18 18 17 17 17 16
MIX HGT (KFT)...5.1 4.2 3.3 2.5 1.9 1.7 1.8 1.8 1.6 1.5 1.3 1.3
TRANSP WIND DIR.SE SE SE SE SE SE SE SE SE SE SE SE
TRANSP WIND SPD.21 23 24 24 25 24 23 22 22 21 18 17
FORECASTER...GARCIA
REQUESTED BY...MIKE LERMA
TYPE OF REQUEST...WILDFIRE
.TAG 2622807.0/BRO
.DELDT 09/29/26
.FORMATTERVERSION 2.0.0
.EMAIL ISMAEL_LERMA@FWS.GOV
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