737
FNUS74 KBRO 222133
FWSBRO
SPOT FORECAST FOR SAN MARTIN LAKE...USS FWS
NATIONAL WEATHER SERVICE BROWNSVILLE TX
333 PM CST MON DEC 22 2025
FORECAST IS BASED ON FORECAST START TIME OF 1600 CST ON DECEMBER 22.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
SOUTHEAST WINDS 20 FOOT WINDS OF 5-10 MPH, GUSTING TO
15 MPH, THIS AFTERNOON ARE EXPECTED TO BECOME LIGHT AROUND SUNSET
THROUGH TONIGHT. RELATIVE HUMIDITY VALUES OF 75-80% THIS AFTERNOON
RISE TO 90-100% OVERNIGHT. ON TUESDAY, 20 FOOT WINDS SHIFT TO
EAST-SOUTHEAST AT 5-10 MPH, GUSTING TO 15-20 MPH, WITH RELATIVE
HUMIDITY VALUES DECREASING TO 70-75% BY THE AFTERNOON HOURS. THERE
IS A LOW (10-15%) CHANCE OF A STRAY SHOWER OR THUNDERSTORMS TUESDAY
MORNING WITH CHANCES DECREASING INTO THE AFTERNOON.
REST OF TODAY
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT).
MAX TEMPERATURE.....AROUND 82.
MIN HUMIDITY........70 PERCENT.
EYE LEVEL WINDS.....SOUTHEAST WINDS 5 TO 6 MPH.
WIND (20 FT)........SOUTHEAST WINDS 8 TO 9 MPH.
MIXING HEIGHT.......2500 FT AGL.
TRANSPORT WINDS.....SOUTHEAST AROUND 13 MPH.
TIME (CST) 10A 11A
SKY (%).........70 72
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............79 77
RH..............77 80
20 FT WIND DIR..SE SE
20 FT WIND SPD..10 9
20 FT WIND GUST.15 14
EYE LVL WND DIR.SE SE
EYE LVL WND SPD.6 5
EYE LVL WND GST.9 8
MIX HGT (KFT)...2.5 1.5
TRANSP WIND DIR.SE SE
TRANSP WIND SPD.13 13
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT).
MIN TEMPERATURE.....AROUND 67.
MAX HUMIDITY........100 PERCENT.
EYE LEVEL WINDS.....SOUTHEAST WINDS UP TO 4 MPH IN THE EVENING
BECOMING LIGHT.
WIND (20 FT)........SOUTHEAST WINDS 5 TO 6 MPH IN THE EVENING
BECOMING LIGHT.
MIXING HEIGHT.......100 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 8 TO 12 MPH.
TIME (CST) 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM 8PM 9PM 10P 11P
SKY (%).........71 63 67 52 59 57 53 67 64 61 55 73
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............75 73 72 72 71 70 70 70 69 69 69 68
RH..............87 91 94 93 93 95 97 98 99 98 97 100
20 FT WIND DIR..SE SE SE SE SE SE SE SE SE SE SE SE
20 FT WIND SPD..7 6 6 5 5 5 3 3 3 3 2 2
20 FT WIND GUST.13 13 13 13 12 12 10 9 9 8 8 8
EYE LVL WND DIR.SE SE SE SE SE SE SE SE SE SE SE SE
EYE LVL WND SPD.4 4 4 3 3 3 2 2 2 2 1 1
EYE LVL WND GST.8 8 8 8 7 7 6 5 5 5 5 5
MIX HGT (KFT)...0.6 0.3 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1
TRANSP WIND DIR.SE SE SE SE SE SE SE SE SE SE SE SE
TRANSP WIND SPD.12 12 10 10 12 10 10 9 9 8 9 8
FORECASTER...IRISH
REQUESTED BY...REY NAVARRO
TYPE OF REQUEST...WILDFIRE
.TAG 2528025.0/BRO
.DELDT 12/22/25
.FORMATTERVERSION 2.0.0
.EMAIL ELEAZAR_FERNANDEZ@FWS.GOV,REYNALDO_NAVARRO@FWS.GOV
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page