Point Forecast Matrices
Issued by NWS Brownsville, TX

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PFMBRO

Point Forecast Matrices
National Weather Service Brownsville TX
126 PM CDT Sat May 16 2026

TXZ255-162100-
Brownsville-Cameron TX
25.91N  97.42W Elev. 22 ft
126 PM CDT Sat May 16 2026

Date             Sat 05/16/26            Sun 05/17/26            Mon 05/18/26
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      91          80          93          81          95
Temp                      90 84 81 81 81 81 86 91 92 86 84 83 82 82 88 94 93 86
Dewpt                     71 73 75 76 76 76 74 74 75 77 78 77 77 77 76 76 77 78
RH                        54 70 82 85 85 85 68 58 58 75 82 82 85 85 68 56 60 77
Wind dir                  SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE
Wind spd                  17 16 14 14 16 17 19 20 19 18 19 18 16 16 18 19 19 18
Wind gust                       25 26    27    31 31 29 29 28 26          31 29
Clouds                    FW B1 B2 B1 B2 B2 B1 B2 B1 B2 B2 B2 B2 B2 SC SC SC B1
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Heat index                96 90             93100103 97 94 93 90   100107106 97
Max heat               95    96               100   104    94    92   107   107


Date          Tue 05/19/26  Wed 05/20/26  Thu 05/21/26  Fri 05/22/26
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          82    95      81    93      80    91      78    89
Temp          83 82 92 88   83 81 91 87   82 81 88 85   80 78 86 83
Dewpt         77 77 76 78   78 77 74 76   78 78 76 76   76 75 75 76
PWind dir        SE    SE      SE    SE      SE    SE      SE    SE
Wind char        BZ    BZ      GN    GN      GN    GN      LT    GN
Avg clouds    B1 B2 B1 SC   B1 B2 B2 SC   SC B2 B2 B1   B1 B2 B2 B1
PoP 12hr          5     0      30    10      10    40      50    50
Rain shwrs                   C  C                C  C    C  C  C  C
Tstms                        C  S                C  C    C  S  C  C

$$
TXZ255-162100-
Harlingen-Cameron TX
26.23N  97.66W Elev. 36 ft
126 PM CDT Sat May 16 2026

Date             Sat 05/16/26            Sun 05/17/26            Mon 05/18/26
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      93          78          94          80          96
Temp                      91 85 81 80 79 80 86 91 93 87 84 83 81 80 87 94 95 89
Dewpt                     69 71 74 75 75 75 74 72 74 75 77 77 76 76 76 75 76 76
RH                        49 63 79 85 88 85 68 54 54 68 80 82 85 88 70 54 54 66
Wind dir                  SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE
Wind spd                  20 19 18 17 17 18 21 24 24 21 23 20 17 18 20 23 23 21
Wind gust                 31       27 28 29 33 35 35 32 35 33 28 28 32 33 34 32
Clouds                    SC B1 B2 B1 B2 B2 B1 B1 B1 B2 B2 B2 B2 B1 SC SC SC SC
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Heat index                96 90             93 99103 97 93 92       98105108102
Max heat               95    97                99   103    94    91   105   108


Date          Tue 05/19/26  Wed 05/20/26  Thu 05/21/26  Fri 05/22/26
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          80    96      79    94      78    91      75    89
Temp          83 80 93 90   82 80 92 88   81 78 88 85   79 75 85 83
Dewpt         77 76 75 76   78 76 74 74   77 77 76 75   76 75 76 75
PWind dir        SE    SE      SE    SE      SE    SE      SE    SE
Wind char        BZ    BZ      GN    BZ      GN    GN      LT    GN
Avg clouds    B1 B2 B1 SC   B1 B2 B1 SC   FW B2 B2 B1   B1 B2 B2 B1
PoP 12hr          5     0      30    20      20    50      50    60
Rain shwrs                   C  C  S  S       S  C  C    C  C  C  L
Tstms                        C  S  S  S       S  C  C    C  S  C  C

$$
TXZ253-162100-
McAllen-Hidalgo TX
26.18N  98.24W Elev. 107 ft
126 PM CDT Sat May 16 2026

Date             Sat 05/16/26            Sun 05/17/26            Mon 05/18/26
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      95          80          96          81          98
Temp                      93 88 82 80 80 80 85 92 94 90 84 83 81 81 86 94 97 92
Dewpt                     67 68 72 75 74 75 73 72 73 73 77 77 76 76 75 74 74 75
RH                        43 52 72 85 82 85 67 52 51 58 80 82 85 85 70 53 48 58
Wind dir                  SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE
Wind spd                  19 19 18 18 17 18 20 21 21 20 20 20 18 18 19 19 20 20
Wind gust                       28 31 29 29 31 32 32 31 32 33 29 28 29 29
Clouds                    SC B1 B2 B2 B2 B2 B2 B1 B1 B2 B2 B1 B1 B1 B1 SC SC SC
PoP 12hr                      0           0           0          10           0
QPF 12hr                      0           0           0           0           0
Rain shwrs                                                                    S
Tstms                                                                         S
Heat index                97 92             92100103 98 94 92       95105109103
Max heat               96    99               100   104    96    91   105   109


Date          Tue 05/19/26  Wed 05/20/26  Thu 05/21/26  Fri 05/22/26
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          81    98      80    94      78    91      75    89
Temp          83 81 94 92   82 80 91 90   80 79 88 85   78 76 86 83
Dewpt         77 76 74 74   78 76 74 72   77 77 76 75   75 74 76 75
PWind dir        SE    SE      SE    SE      SE    SE      SE    SE
Wind char        BZ    BZ      GN    GN      GN    GN      LT    LT
Avg clouds    B1 B2 B1 B1   B1 B2 B1 SC   SC B1 B2 B1   B1 B2 B2 B1
PoP 12hr         20     5      40    30      20    50      50    50
Rain shwrs     S  S          C  S  S  C    S  S  C  C    C  C  C  C
Tstms          S             C     S  C    S  S  C  C    C  S  S  C

$$
TXZ355-162100-
Bayview/Port Isabel-Cameron TX
26.16N  97.34W Elev. 19 ft
126 PM CDT Sat May 16 2026

Date             Sat 05/16/26            Sun 05/17/26            Mon 05/18/26
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      90          79          91          81          93
Temp                      88 82 81 80 80 80 85 89 90 84 83 83 81 81 86 91 92 86
Dewpt                     74 75 76 76 76 76 75 76 77 78 78 77 77 76 77 78 79 78
RH                        63 79 85 88 88 88 72 66 66 82 85 82 88 85 75 66 66 77
Wind dir                  SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE
Wind spd                  18 17 13 13 14 16 19 20 20 19 18 17 16 14 18 19 20 19
Wind gust                          24    26
Clouds                    FW B1 B2 B1 B2 B1 B2 B1 B1 B2 B2 B2 B2 B2 SC SC SC B1
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Heat index                96                94100103 95 93 91       98105108 99
Max heat               94    97               100   104    94    90   105   108


Date          Tue 05/19/26  Wed 05/20/26  Thu 05/21/26  Fri 05/22/26
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          81    92      80    91      79    89      77    87
Temp          83 81 90 86   82 80 89 85   81 80 86 83   80 77 84 82
Dewpt         77 77 78 79   78 77 76 77   78 77 78 77   76 75 77 77
PWind dir        SE    SE      SE    SE      SE    SE      SE    SE
Wind char        BZ    BZ      GN    GN      GN    GN      LT    GN
Avg clouds    B1 B2 B1 B1   B1 B1 B2 SC   SC B2 B2 B1   B1 B1 B2 B1
PoP 12hr          5     0      30    20      20    40      50    50
Rain shwrs                   S  C     S       S  C  C    C  C  C  C
Tstms                        S  S     S       S  C  C    S  S  C  C

$$
TXZ249-162100-
Hebbronville-Jim Hogg TX
27.35N  98.74W Elev. 663 ft
126 PM CDT Sat May 16 2026

Date             Sat 05/16/26            Sun 05/17/26            Mon 05/18/26
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      93          77          94          79          95
Temp                      92 90 81 77 77 77 82 90 94 91 83 81 79 79 83 90 95 92
Dewpt                     68 68 72 74 74 75 75 73 72 73 76 77 76 75 77 76 74 76
RH                        46 49 74 90 90 94 79 58 49 56 80 88 91 88 82 64 51 60
Wind dir                  SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE
Wind spd                  14 14 13 13 12 12 17 16 14 14 16 14 14 14 16 14 13 13
Wind gust                       24 25 25 24 27 26       27 27 27 27 27
Clouds                    B1 SC B1 B2 B2 B2 B2 B1 B1 B1 B1 B1 B2 B1 B1 B1 SC SC
PoP 12hr                      0           0           5           5           5
QPF 12hr                      0           0           0           0           0
Heat index                96 93                98102100 92          91102106104
Max heat               92    97    90          98   102    96         102   106


Date          Tue 05/19/26  Wed 05/20/26  Thu 05/21/26  Fri 05/22/26
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          79    95      77    92      75    87      72    84
Temp          80 79 90 90   79 78 88 86   77 76 84 82   75 74 81 79
Dewpt         78 76 76 76   78 77 77 76   77 76 77 78   75 73 77 77
PWind dir        SE    SE      SE    SE      SE    SE      SE     E
Wind char        GN    GN      GN    GN      GN    GN      LT    LT
Avg clouds    B1 B2 B1 SC   SC B1 B1 SC   SC B2 B2 B2   B1 B2 B2 B2
PoP 12hr         10    10      40    50      20    50      70    60
Rain shwrs                   C     C  C    S  S  C  C    L  C  C  L
Tstms                        C     C  C    S  S  S  C    C  S  S  C

$$
TXZ250-162100-
Falfurrias-Brooks TX
27.21N  98.12W Elev. 113 ft
126 PM CDT Sat May 16 2026

Date             Sat 05/16/26            Sun 05/17/26            Mon 05/18/26
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      93          78          94          79          96
Temp                      93 87 80 79 78 78 85 92 94 91 83 82 81 80 85 93 95 91
Dewpt                     69 72 74 75 75 75 74 71 72 75 77 77 76 76 76 74 74 78
RH                        46 61 82 88 91 91 70 51 49 60 82 85 85 88 75 54 51 66
Wind dir                  SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE
Wind spd                  14 14 13 12 11 12 17 18 17 14 16 14 13 14 17 17 16 14
Wind gust                 25 25 24 24 23 23 27 28 27 26 27 27 25 26 27 27 26 26
Clouds                    B1 B1 B1 B2 B1 B2 B2 B1 B2 B1 B2 B1 SC B1 B1 B1 B1 SC
PoP 12hr                      0           0           5           5           0
QPF 12hr                      0           0           0           0           0
Heat index                98 93             92 99102102 92 90       95103107105
Max heat               94    98    90          99   104    97         103   107


Date          Tue 05/19/26  Wed 05/20/26  Thu 05/21/26  Fri 05/22/26
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          79    95      78    92      76    88      73    86
Temp          81 80 92 89   80 78 90 86   78 77 86 82   76 74 84 80
Dewpt         78 76 75 79   79 77 75 77   78 77 77 79   76 74 76 78
PWind dir        SE    SE      SE    SE      SE    SE      SE     E
Wind char        GN    GN      GN    GN      GN    GN      LT    LT
Avg clouds    B1 B2 B2 B1   SC B2 B1 SC   SC B2 B2 B2   B1 B2 B2 B1
PoP 12hr          5     5      40    50      20    60      60    60
Rain shwrs                   C  C  C  C    S  S  C  L    L  C  C  L
Tstms                        C  S  C  C    S  S  C  C    C  S  S  C

$$
TXZ253-162100-
Edinburg-Hidalgo TX
26.44N  98.13W Elev. 75 ft
126 PM CDT Sat May 16 2026

Date             Sat 05/16/26            Sun 05/17/26            Mon 05/18/26
CDT 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      94          78          95          80          97
Temp                      93 87 81 79 79 79 85 92 93 89 83 82 81 80 86 94 96 92
Dewpt                     66 68 72 74 74 74 72 70 71 73 76 76 76 75 74 72 73 74
RH                        41 53 74 85 85 85 65 49 49 59 80 82 85 85 68 49 48 56
Wind dir                  SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE
Wind spd                  18 18 17 17 16 17 19 21 20 19 20 19 17 17 19 19 19 19
Wind gust                       27 28 28 27 29          31 33 28 27 29
Clouds                    SC B1 B2 B1 B2 B2 B2 B1 B1 B2 B2 B1 B1 B1 B1 SC SC SC
PoP 12hr                      0           0           0          10           0
QPF 12hr                      0           0           0           0           0
Heat index                96 91             91 98101 97 92          94102106102
Max heat               94    97                98   101    94         102   106


Date          Tue 05/19/26  Wed 05/20/26  Thu 05/21/26  Fri 05/22/26
CDT 6hrly     01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          80    97      79    94      77    90      74    88
Temp          82 80 93 91   81 79 91 89   79 78 87 84   77 75 85 82
Dewpt         77 75 73 74   77 76 73 72   76 77 75 75   75 74 75 76
PWind dir        SE    SE      SE    SE      SE    SE      SE     E
Wind char        BZ    BZ      GN    GN      GN    GN      LT    LT
Avg clouds    B1 B2 B1 SC   B1 B2 B1 SC   SC B1 B2 B1   B1 B2 B2 B1
PoP 12hr         10     5      40    30      20    50      50    60
Rain shwrs                   C  C  S  C       S  C  C    C  C  C  L
Tstms                        C  S  S  C       S  C  C    C  S  S  C

$$