Point Forecast Matrices
Issued by NWS Brownsville, TX

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Point Forecast Matrices
National Weather Service Brownsville TX
1126 AM CST Tue Nov 18 2025

TXZ255-182200-
Brownsville-Cameron TX
25.91N  97.42W Elev. 22 ft
1126 AM CST Tue Nov 18 2025

Date             Tue 11/18/25            Wed 11/19/25            Thu 11/20/25
CST 3hrly     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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                      89          73          89          72          88
Temp                   88 88 80 77 76 75 75 82 88 87 80 77 76 75 73 81 86 86 80
Dewpt                  70 71 72 74 73 73 72 75 72 72 74 73 72 72 71 73 71 71 73
RH                     55 57 77 90 90 94 90 79 59 61 82 87 87 90 93 77 61 61 79
Wind dir                S SE SE SE SE SE SE  S SE SE SE SE SE SE SE SE SE SE SE
Wind spd               13 13 10  9  8  6  6 10 13 14 12 13 12 10 10 14 18 18 13
Wind gust                                               24 23 20
Clouds                 SC FW FW FW SC SC SC B1 SC SC SC FW FW SC SC SC SC SC SC
PoP 12hr                      0           5           5          10          10
QPF 12hr                      0           0           0           0           0
Heat index             93 93                   95 94                   91 91
Max heat               93    94                95    96                91    92


Date               Fri 11/21/25  Sat 11/22/25  Sun 11/23/25  Mon 11/24/25
CST 6hrly     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            73    89      72    87      72    87      71    86
Temp          76   74 87 80 75   73 85 79 75   73 85 78 74   73 84 79
Dewpt         72   71 71 73 72   71 71 73 72   70 69 70 68   68 67 69
PWind dir          SE     S      SE    SE      SE    SE      SE     S
Wind char          GN    GN      LT    GN      GN    GN      GN    BZ
Avg clouds    SC   SC SC SC SC   SC SC SC SC   B1 B1 SC SC   SC SC SC
PoP 12hr            0    10      20    30      20    10      10    10
Rain shwrs                        S  C  S  S
Tstms                             S  S  S

$$
TXZ255-182200-
Harlingen-Cameron TX
26.23N  97.66W Elev. 36 ft
1126 AM CST Tue Nov 18 2025

Date             Tue 11/18/25            Wed 11/19/25            Thu 11/20/25
CST 3hrly     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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          69          91          69          89
Temp                   88 89 80 74 72 71 71 80 88 89 80 74 73 71 70 78 87 87 80
Dewpt                  69 69 71 72 72 71 71 75 71 70 73 73 72 71 70 73 69 69 71
RH                     54 52 74 93100100100 85 57 54 79 97 97100100 85 55 55 74
Wind dir                S SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE  S SE SE
Wind spd               16 17 13 10  9  8  8 12 16 18 16 14 13 10 10 16 20 21 16
Wind gust              26                      26       26 24 21       33 32
Clouds                 FW SC FW FW SC FW B1 SC SC SC SC SC SC SC SC SC SC SC FW
PoP 12hr                      0           5           5           5          20
QPF 12hr                      0           0           0           0           0
Rain shwrs                                                        S  S
Heat index             93 94                   94 94                   91 92
Max heat               93    95                94    96                91    92


Date               Fri 11/21/25  Sat 11/22/25  Sun 11/23/25  Mon 11/24/25
CST 6hrly     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            69    90      68    85      67    87      67    87
Temp          73   72 87 81 72   69 84 78 70   69 84 78 70   69 84 79
Dewpt         71   70 70 72 71   69 70 70 70   68 68 69 67   66 66 66
PWind dir          SE     S      SE    SE      SE    SE      SE     S
Wind char          GN    GN      GN    GN      GN    GN      GN    BZ
Avg clouds    SC   FW SC B1 SC   SC SC B1 SC   B1 B1 SC SC   SC SC SC
PoP 12hr            0    10      10    30      20    20      10    20
Rain shwrs                           C  C  S       S  S             S
Tstms                                S  S

$$
TXZ253-182200-
McAllen-Hidalgo TX
26.18N  98.24W Elev. 107 ft
1126 AM CST Tue Nov 18 2025

Date             Tue 11/18/25            Wed 11/19/25            Thu 11/20/25
CST 3hrly     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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          72          93          73          92
Temp                   89 92 85 79 76 74 74 81 90 91 84 79 76 74 75 79 88 90 83
Dewpt                  69 68 69 72 73 73 72 74 71 69 71 73 72 72 72 73 70 69 70
RH                     52 46 59 79 90 97 93 79 54 49 65 82 87 93 90 82 55 50 65
Wind dir               SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE
Wind spd               16 14 13 11 11 10  9 13 17 18 17 16 13 12 11 16 19 19 17
Wind gust                       21 21          27 28    27 26 24    26 33 32
Clouds                 SC SC FW FW FW FW B1 SC SC SC FW SC SC B1 B1 SC SC SC FW
PoP 12hr                      0           5           0           5          10
QPF 12hr                      0           0           0           0           0
Heat index             94 96                   96 96                   93 94
Max heat               94    97                96    98                93    95


Date               Fri 11/21/25  Sat 11/22/25  Sun 11/23/25  Mon 11/24/25
CST 6hrly     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            72    92      71    87      71    88      71    88
Temp          77   73 89 85 76   71 85 81 75   72 85 80 74   72 85 82
Dewpt         72   71 70 70 71   70 69 68 71   70 68 67 68   67 64 62
PWind dir          SE     S      SE    SE      SE    SE      SE     S
Wind char          GN    GN      GN    GN      GN    BZ      GN    BZ
Avg clouds    FW   FW SC B1 SC   SC B1 B1 B1   B1 B1 SC SC   SC SC SC
PoP 12hr            0     5      10    20      10    10      10    10
Rain shwrs                           S  S
Tstms                                   S

$$
TXZ355-182200-
Bayview/Port Isabel-Cameron TX
26.16N  97.34W Elev. 19 ft
1126 AM CST Tue Nov 18 2025

Date             Tue 11/18/25            Wed 11/19/25            Thu 11/20/25
CST 3hrly     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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                      87          71          88          71          87
Temp                   86 86 78 75 75 73 72 81 86 85 79 76 75 72 71 81 84 84 78
Dewpt                  73 74 74 74 74 73 72 76 75 75 76 74 73 72 71 74 73 73 73
RH                     65 68 88 97 97100100 85 70 72 91 94 94100100 79 70 70 85
Wind dir               SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE
Wind spd               14 16 11 10  8  8  6 11 14 17 13 13 12 11 10 16 18 19 13
Wind gust                                                     21
Clouds                 SC FW FW FW B1 SC B1 B1 SC SC SC SC SC SC SC SC SC SC SC
PoP 12hr                      0           5           5          10          10
QPF 12hr                      0           0           0           0           0
Heat index             93 93                   95 93                   90 91
Max heat               93    93                95    95                90    92


Date               Fri 11/21/25  Sat 11/22/25  Sun 11/23/25  Mon 11/24/25
CST 6hrly     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            71    87      70    85      70    85      69    85
Temp          74   71 86 79 75   71 83 77 73   71 84 77 74   70 82 78
Dewpt         73   71 73 74 73   71 73 73 73   70 72 72 69   68 70 69
PWind dir          SE     S      SE    SE      SE    SE      SE    SE
Wind char          GN    GN      LT    GN      GN    GN      GN    BZ
Avg clouds    SC   SC SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC
PoP 12hr            0    10      20    30      20    10      20    20
Rain shwrs                   S    S  C  S  S    S             S     S
Tstms                        S    S  S  S

$$
TXZ249-182200-
Hebbronville-Jim Hogg TX
27.35N  98.74W Elev. 663 ft
1126 AM CST Tue Nov 18 2025

Date             Tue 11/18/25            Wed 11/19/25            Thu 11/20/25
CST 3hrly     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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          68          90          69          88
Temp                   86 89 83 76 72 71 70 77 87 90 83 75 73 71 70 76 84 87 82
Dewpt                  68 66 68 72 72 71 70 74 68 66 69 74 73 71 70 73 68 65 68
RH                     55 47 61 87100100100 90 53 45 63 97100100100 90 59 48 63
Wind dir               SE SE  E SE SE SE SE SE SE SE SE SE SE SE SE SE  S  S SE
Wind spd               12 11 12 10 10  9  9 11 13 14 13 12 10 10 10 13 16 14 11
Wind gust                       21 21 20             24 23 23 23 23
Clouds                 B1 SC SC SC B1 B2 B2 B1 B1 SC SC SC B2 B2 OV B2 B1 B1 SC
PoP 12hr                      0           5          10          10          30
QPF 12hr                      0           0           0           0           0
Rain shwrs                                                        C  C  C  C
Tstms                                                                      S
Heat index                92                   90 92
Max heat                     92                90    92


Date               Fri 11/21/25  Sat 11/22/25  Sun 11/23/25  Mon 11/24/25
CST 6hrly     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            66    87      65    82      65    84      64    83
Temp          71   69 84 80 70   66 81 76 67   66 82 78 69   66 80 77
Dewpt         71   69 67 68 69   65 63 65 67   65 65 64 67   65 60 58
PWind dir          SE     S       E     E       E    SE      SE     S
Wind char          GN    LT      LT    GN      GN    GN      GN    GN
Avg clouds    SC   SC SC B1 SC   SC B1 B1 B2   B2 B1 SC SC   B2 B1 SC
PoP 12hr           10    10      10    30      30    20      20    20
Rain shwrs                           S  C  C    S  S  S       S     S
Tstms                                   S  S    S

$$
TXZ250-182200-
Falfurrias-Brooks TX
27.21N  98.12W Elev. 113 ft
1126 AM CST Tue Nov 18 2025

Date             Tue 11/18/25            Wed 11/19/25            Thu 11/20/25
CST 3hrly     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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          69          90          69          88
Temp                   88 90 80 75 73 71 71 79 88 89 80 75 73 71 70 78 86 87 80
Dewpt                  68 67 72 72 73 71 71 75 70 70 74 74 73 71 70 73 69 67 72
RH                     52 47 77 90100100100 88 55 54 82 97100100100 85 57 52 77
Wind dir                S SE  E SE SE SE SE SE SE SE SE SE SE SE SE SE  S SE SE
Wind spd               11 12 12 10  8  6  6 10 13 14 13 12 10 10 10 13 14 13 11
Wind gust                    23 20             24 25 24 24 21          26 24 21
Clouds                 B1 SC FW FW B1 B1 B1 B1 SC SC SC B1 B1 B2 B2 B1 B1 B1 SC
PoP 12hr                      0           5          10          10          40
QPF 12hr                      0           0           0           0           0
Rain shwrs                                                        C  C  C  C
Tstms                                                                      S
Heat index             92 94                   93 94                   90 90
Max heat               92    94                93    94                90    91


Date               Fri 11/21/25  Sat 11/22/25  Sun 11/23/25  Mon 11/24/25
CST 6hrly     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            68    90      67    83      67    85      66    85
Temp          72   69 86 80 71   68 82 76 69   67 83 77 70   67 83 78
Dewpt         71   69 69 72 70   68 66 68 68   66 66 68 67   64 63 63
PWind dir          SE    SE       E     E       E    SE      SE     S
Wind char          GN    LT      LT    GN      LT    GN      GN    GN
Avg clouds    SC   SC SC B1 SC   B1 B1 B1 B1   B2 B1 B1 B1   B1 B1 SC
PoP 12hr            5    20      20    40      20    30      20    20
Rain shwrs                S  S       C  C  S    S  S  C       S  S  S
Tstms                     S  S          S  S

$$
TXZ253-182200-
Edinburg-Hidalgo TX
26.44N  98.13W Elev. 75 ft
1126 AM CST Tue Nov 18 2025

Date             Tue 11/18/25            Wed 11/19/25            Thu 11/20/25
CST 3hrly     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
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                      92          70          92          69          90
Temp                   89 91 83 76 74 72 72 81 89 90 82 76 74 71 71 80 87 88 81
Dewpt                  68 67 69 71 71 71 70 73 70 68 70 73 72 71 70 72 68 67 70
RH                     50 45 63 85 90 97 93 77 54 49 67 90 93100 97 77 53 50 69
Wind dir                S SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE  S SE SE
Wind spd               13 13 13 10  9  8  8 12 16 18 14 13 11 10 10 14 18 19 14
Wind gust                             18                27 24 23       28
Clouds                 B1 FW FW CL FW SC SC SC SC SC FW SC SC B1 B1 SC SC SC FW
PoP 12hr                      0           0           5           5          20
QPF 12hr                      0           0           0           0           0
Rain shwrs                                                        S  S  S  S
Heat index             92 94                   94 94                   90 91
Max heat               92    95                94    95                90    92


Date               Fri 11/21/25  Sat 11/22/25  Sun 11/23/25  Mon 11/24/25
CST 6hrly     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            69    91      68    86      68    87      68    87
Temp          74   71 88 82 73   68 84 78 72   69 84 78 71   69 84 80
Dewpt         70   70 68 70 71   68 68 68 69   68 67 67 67   65 63 63
PWind dir          SE     S      SE    SE      SE    SE      SE     S
Wind char          GN    GN      LT    GN      GN    GN      GN    BZ
Avg clouds    SC   FW SC B1 SC   SC B1 B1 B1   B1 B1 SC SC   SC SC SC
PoP 12hr            0    10      10    30      20    20      10    10
Rain shwrs                           C  C  S       S  S
Tstms                                   S  S

$$