Point Forecast Matrices
Issued by NWS Brownsville, TX

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Point Forecast Matrices
National Weather Service Brownsville TX
1240 PM CDT Sat Aug 23 2025

TXZ255-240900-
Brownsville-Cameron TX
25.91N  97.42W Elev. 22 ft
1240 PM CDT Sat Aug 23 2025

Date           08/23/25      Sun 08/24/25            Mon 08/25/25            Tue
CDT 3hrly     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      78          91          78          93          80
Temp          87 85 82 81 80 79 84 89 87 85 82 81 80 78 85 90 89 87 84 82 81 80
Dewpt         77 77 76 76 75 75 76 75 75 76 77 76 76 76 76 76 76 77 78 77 77 77
RH            72 77 82 85 85 88 77 64 68 75 85 85 88 94 75 64 66 72 82 85 88 91
Wind dir       E  E SE SW  W NW  N  E  E  E SE  S  S SE SE SE SE SE SE SE  S SE
Wind spd       8  5  2  2  2  2  2  5  6  5  2  2  2  2  3  8 10  9  5  4  4  3
Clouds        B1 B1 B1 B2 SC B1 B1 SC B2 B1 B1 SC B1 B1 B1 B1 B1 SC SC SC SC SC
PoP 12hr                     60          70          60          60          20
QPF 12hr                   0.02        0.91        0.06        0.16        0.01
Rain shwrs     L  C  C  C  L  C  C  L  C  C  C  L  L  L  L  L  L  S  S  S  S  C
Tstms          C  C  C  C  C  S  C  C  C  S  S  S  S     C  C  S           S  S
Heat index    97 94             92 98 96 94 90          95100101 97 94 90
Max heat        100    91          99    99    91         101   102    97    90


Date           08/26  Wed 08/27/25  Thu 08/28/25  Fri 08/29/25  Sat 08/30/25
CDT 6hrly     13 19   01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          94      79    94      78    94      78    94      79    95
Temp          92 88   83 80 92 87   82 79 91 87   81 79 92 88   82 79 92 87
Dewpt         76 76   77 76 75 75   76 75 74 75   75 75 74 75   76 76 74 75
PWind dir        SE      SE    SE      SE    SE      SE    SE      SE    SE
Wind char        GN      LT    LT      LT    LT      LT    GN      LT    GN
Avg clouds    SC SC   FW FW SC SC   FW FW FW FW   FW FW FW FW   FW FW FW FW
PoP 12hr         30      10    40      10    20       5    10       5    10
Rain shwrs     C  C          C  C          S  S
Tstms          C  C          C  C          S  S

$$
TXZ255-240900-
Harlingen-Cameron TX
26.23N  97.66W Elev. 36 ft
1240 PM CDT Sat Aug 23 2025

Date           08/23/25      Sun 08/24/25            Mon 08/25/25            Tue
CDT 3hrly     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      73          91          74          93          75
Temp          87 85 80 78 76 74 83 87 87 85 80 79 76 75 84 89 89 87 81 80 77 76
Dewpt         76 76 76 76 74 73 76 74 75 75 76 76 74 74 77 75 76 76 77 77 75 75
RH            70 75 88 94 94 97 80 65 68 72 88 91 94 97 80 64 66 70 88 91 94 97
Wind dir      NE  E SE SW  W  N  N  E  E  E SE  S  S  E SE SE SE SE SE SE SE SE
Wind spd       5  6  2  1  2  2  2  4  5  8  2  2  2  2  4  8 10 10  5  5  4  4
Clouds        B2 B1 B1 B1 B1 B1 SC B1 B2 B2 B1 SC SC SC B1 B1 B2 B1 SC SC SC SC
PoP 12hr                     50          70          40          70          20
QPF 12hr                   0.03        0.14        0.06        0.19        0.01
Rain shwrs     C  C  C  C  C  S  C  L  L  C  C  C  C  C  C  L  L  S  S  S  S  S
Tstms          C  C  C  C  S     C  C  C  S     S        S  C  C  S
Obvis                     PF PF                PF PF PF
Heat index    97 94             91 96 96 93             95 99100 97
Max heat         98                96    97                99   101    94


Date           08/26  Wed 08/27/25  Thu 08/28/25  Fri 08/29/25  Sat 08/30/25
CDT 6hrly     13 19   01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          96      75    95      74    95      74    96      75    96
Temp          92 89   79 76 92 88   78 75 91 88   79 75 93 88   79 76 92 89
Dewpt         75 75   77 75 75 74   76 74 74 74   75 74 74 74   76 74 74 75
PWind dir        SE      SE    SE      SE    SE      SE    SE      SE    SE
Wind char        GN      LT    GN      LT    GN      LT    GN      GN    GN
Avg clouds    SC SC   FW FW SC SC   FW FW FW SC   FW FW FW FW   FW FW FW SC
PoP 12hr         30      10    40      10    20       5    10       5    20
Rain shwrs     S  C          C  C          S  S                           S
Tstms          S  C          S  C          S  S                           S

$$
TXZ253-240900-
McAllen-Hidalgo TX
26.18N  98.24W Elev. 107 ft
1240 PM CDT Sat Aug 23 2025

Date           08/23/25      Sun 08/24/25            Mon 08/25/25            Tue
CDT 3hrly     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      77          94          78          96          78
Temp          91 85 82 80 78 78 84 89 91 86 82 81 79 78 85 91 93 88 84 82 81 79
Dewpt         73 75 75 75 74 74 75 73 73 74 75 76 75 75 76 74 73 74 76 77 76 76
RH            56 72 79 85 88 88 74 59 56 68 79 85 88 91 75 58 52 63 77 85 85 91
Wind dir      NE  E SE  S NW  N NE  E  E  E SE  S  S  E SE SE SE SE SE SE SE SE
Wind spd       5  8  3  2  2  2  2  4  4  8  3  2  2  2  4  8  9 10  8  6  5  5
Clouds        B2 B2 B1 B1 B1 B1 FW B1 B1 B1 B1 B1 B1 SC B1 SC B1 SC SC SC SC SC
PoP 12hr                     60          80          40          60          20
QPF 12hr                   0.12        0.04        0.07        0.12        0.02
Rain shwrs     L  L  C  C  C  S  C  C  L  C  C  S  S  C  C  L  L  S  S
Tstms          L  C  S           S  C  C  S                 C  C  S
Heat index   100 93             91 97100 95             95100102 97 92
Max heat        100    91          97   100    93         100   102    95


Date           08/26  Wed 08/27/25  Thu 08/28/25  Fri 08/29/25  Sat 08/30/25
CDT 6hrly     13 19   01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          97      79    97      77    98      77    99      78    99
Temp          93 90   82 79 93 90   81 79 93 91   81 78 94 92   82 79 94 92
Dewpt         73 73   76 75 73 73   75 75 72 72   75 74 72 72   75 75 72 72
PWind dir        SE      SE    SE      SE    SE      SE    SE      SE    SE
Wind char        GN      GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    SC SC   FW SC SC SC   FW FW FW FW   FW FW FW FW   FW FW FW FW
PoP 12hr         20      10    40      10    20       5     5       5    10
Rain shwrs        S          S  C             S
Tstms             S             C             S

$$
TXZ355-240900-
Bayview/Port Isabel-Cameron TX
26.16N  97.34W Elev. 19 ft
1240 PM CDT Sat Aug 23 2025

Date           08/23/25      Sun 08/24/25            Mon 08/25/25            Tue
CDT 3hrly     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      76          91          77          91          78
Temp          87 85 82 81 78 77 85 87 87 85 82 81 79 78 86 88 89 86 83 82 81 79
Dewpt         78 77 77 76 75 75 77 77 77 77 77 76 76 76 78 78 79 79 79 78 77 77
RH            75 77 85 85 91 94 77 72 72 77 85 85 91 94 77 72 73 80 88 88 88 94
Wind dir       E  E SE SW  W NW NW NE  E  E SE  S  S SE SE SE SE SE SE  S  S  S
Wind spd       9  5  2  2  2  2  3  6  9  6  3  2  2  2  4 10 10  9  5  5  5  4
Clouds        B1 B1 B1 B1 SC SC B1 SC B1 B1 B1 B1 SC B1 B1 B1 B1 SC SC SC SC SC
PoP 12hr                     60          60          50          60          20
QPF 12hr                   0.03        0.36        0.11        0.13           0
Rain shwrs     C  C  C  C  C  C  C  L  C  C  C  C  C  L  L  C  C  S  S  S  S  C
Tstms          C  C  C  C  C  S  C  C  C  S     S        S  C  S           S  S
Obvis                                                PF
Heat index   100 95 90          95 99 99 95 91          98101103 99 94 92
Max heat        102    91         100    99    92         101   103    97    91


Date           08/26  Wed 08/27/25  Thu 08/28/25  Fri 08/29/25  Sat 08/30/25
CDT 6hrly     13 19   01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          93      79    92      77    92      77    93      78    93
Temp          90 87   82 79 90 86   82 78 89 86   81 78 90 87   82 78 91 87
Dewpt         79 79   78 76 78 77   77 75 77 77   76 75 77 77   76 76 78 78
PWind dir        SE      SE    SE      SE    SE      SE    SE      SE    SE
Wind char        GN      LT    GN      LT    GN      LT    GN      LT    GN
Avg clouds    SC SC   FW FW SC SC   FW FW FW FW   FW FW FW FW   FW FW FW FW
PoP 12hr         30      10    30      10    20       5     5       5    10
Rain shwrs     C  S          C  C          S
Tstms          C  S          C  C          S

$$
TXZ249-240900-
Hebbronville-Jim Hogg TX
27.35N  98.74W Elev. 663 ft
1240 PM CDT Sat Aug 23 2025

Date           08/23/25      Sun 08/24/25            Mon 08/25/25            Tue
CDT 3hrly     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      73          93          73          94          75
Temp          89 85 79 77 75 74 84 90 89 86 80 77 75 74 83 90 90 86 80 78 76 76
Dewpt         72 75 77 76 74 73 76 72 71 75 76 76 75 74 76 73 73 76 77 77 76 75
RH            57 72 94 97 97 97 77 56 56 70 88 97100100 80 58 58 72 91 97100 97
Wind dir      NE  E SE SE  W  N NE NE NE  E SE SE SE  E SE SE SE SE SE SE SE SE
Wind spd       8  9  3  1  1  1  4  5  8 10  5  2  1  2  5  8  9 10  8  5  5  4
Clouds        B1 SC FW SC FW FW FW SC B1 SC SC SC SC SC SC SC B1 SC SC SC SC SC
PoP 12hr                     40          50          20          60          20
QPF 12hr                   0.01        0.23        0.02        0.11        0.02
Rain shwrs     C  C  S  C        S  C  C  S  S        S  S  L  L  S  S  S  S
Tstms          C  C  S              C  C  S                 C  C  S
Obvis                  PF PF  F                   PF PF
Heat index    96 94             92 97 96 94             91 98 98 96
Max heat         96    91          97    96    91          98    98    94


Date           08/26  Wed 08/27/25  Thu 08/28/25  Fri 08/29/25  Sat 08/30/25
CDT 6hrly     13 19   01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          96      74    95      74    96      73    97      74    98
Temp          92 88   79 75 92 89   78 74 91 89   78 74 93 91   79 75 93 91
Dewpt         73 75   77 75 72 74   77 74 71 73   76 74 71 73   76 74 71 73
PWind dir        SE      SE    SE      SE    SE      SE    SE      SE    SE
Wind char        GN      GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    SC SC   SC SC SC SC   FW FW FW FW   FW FW FW FW   FW FW FW FW
PoP 12hr         30      10    30      10    10       5     5       5    10
Rain shwrs        C          S  C
Tstms             C             C

$$
TXZ250-240900-
Falfurrias-Brooks TX
27.21N  98.12W Elev. 113 ft
1240 PM CDT Sat Aug 23 2025

Date           08/23/25      Sun 08/24/25            Mon 08/25/25            Tue
CDT 3hrly     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      74          93          74          93          75
Temp          88 85 79 77 75 74 84 90 89 85 80 77 76 74 84 91 89 86 81 79 77 76
Dewpt         74 77 76 76 74 73 76 72 74 76 76 76 75 74 77 74 75 77 77 77 77 75
RH            63 77 91 97 97 97 77 56 61 75 88 97 97100 80 58 64 75 88 94100 97
Wind dir      NE  E  E  N  W  N NE NE  E  E  E SE SE NE SE SE SE SE SE SE  S SE
Wind spd       5  4  1  0  1  2  3  5  5  5  2  1  1  1  4  8  8  8  4  3  2  2
Clouds        B2 SC SC SC SC FW SC SC B2 SC SC SC SC SC SC SC B2 SC SC SC SC SC
PoP 12hr                     40          60          30          70          20
QPF 12hr                   0.02        0.04        0.01        0.14        0.02
Rain shwrs     L  C  C  C        C  L  L  C  C  S  S  C  C  L  L  S  S  S  S  S
Tstms          C  C  S              C  C  S                 C  C  S
Obvis                  PF  F  F                PF PF PF                      PF
Heat index    97 95             92 98 98 95             95100100 97
Max heat         99    90          98    98               100   100    94


Date           08/26  Wed 08/27/25  Thu 08/28/25  Fri 08/29/25  Sat 08/30/25
CDT 6hrly     13 19   01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          96      75    95      74    95      73    97      75    97
Temp          93 88   79 75 92 88   78 74 92 89   79 74 93 90   79 75 94 89
Dewpt         73 77   78 75 73 76   77 74 72 75   76 74 71 75   76 74 72 75
PWind dir        SE      SE    SE      SE    SE      SE    SE      SE    SE
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC   SC SC SC SC   FW FW FW SC   FW FW FW FW   FW FW FW SC
PoP 12hr         40      10    50      10    20       5    10       5    20
Rain shwrs     S  C          C  C             S                           S
Tstms             C             C             S                           S

$$
TXZ253-240900-
Edinburg-Hidalgo TX
26.44N  98.13W Elev. 75 ft
1240 PM CDT Sat Aug 23 2025

Date           08/23/25      Sun 08/24/25            Mon 08/25/25            Tue
CDT 3hrly     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      75          92          75          93          76
Temp          88 83 79 78 76 75 84 88 88 84 80 79 77 76 85 89 90 86 81 80 79 77
Dewpt         74 74 75 75 74 73 74 73 73 74 75 75 74 74 76 74 73 75 76 77 75 75
RH            63 74 88 91 94 94 72 61 61 72 85 88 90 94 75 61 58 70 85 91 88 94
Wind dir      NE  E SE SW  W  N NE NE  E  E SE  S  S  E SE SE SE SE SE SE SE SE
Wind spd       5  5  2  1  1  1  2  4  5  5  2  1  1  1  4  6  9  9  5  4  4  3
Clouds        B1 B1 B1 B1 B1 B1 SC SC B1 B1 B1 SC SC SC SC SC B1 B1 SC SC SC SC
PoP 12hr                     50          80          40          70          20
QPF 12hr                   0.09        0.06        0.05        0.19        0.02
Rain shwrs     L  C  C  S  S  S  S  C  L  C  C  C  C  C  C  L  L  S  S
Tstms          C  C  S           S  C  C  S                 C  C  S
Obvis                        PF                      PF
Heat index    96 90             90 96 96 92             94 98 99 95
Max heat         97                96    98                98    99    93


Date           08/26  Wed 08/27/25  Thu 08/28/25  Fri 08/29/25  Sat 08/30/25
CDT 6hrly     13 19   01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          96      76    95      75    96      75    97      75    98
Temp          92 89   79 77 92 88   79 76 91 89   79 76 93 90   79 76 93 89
Dewpt         73 73   76 75 73 73   75 74 72 73   75 74 72 73   75 74 72 73
PWind dir        SE      SE    SE      SE    SE      SE    SE      SE    SE
Wind char        GN      LT    GN      LT    LT      LT    GN      LT    GN
Avg clouds    SC SC   FW SC SC SC   FW FW FW FW   FW FW FW FW   FW FW FW FW
PoP 12hr         30      10    40      10    20       5    10       5    20
Rain shwrs        C          S  C             S                           S
Tstms             C          S  C             S                           S

$$