Point Forecast Matrices
Issued by NWS Brownsville, TX

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FOUS54 KBRO 190356
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Point Forecast Matrices
National Weather Service Brownsville TX
956 PM CST Tue Nov 18 2025

TXZ255-191000-
Brownsville-Cameron TX
25.91N  97.42W Elev. 22 ft
956 PM CST Tue Nov 18 2025

Date           11/18/25      Wed 11/19/25            Thu 11/20/25            Fri
CST 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
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          89          73          87          73
Temp                   76 75 75 82 88 87 80 77 76 75 74 81 85 85 79 77 76 75 74
Dewpt                  73 73 73 76 71 72 74 73 72 72 71 74 71 72 73 72 72 71 71
RH                     90 94 94 82 57 61 82 87 87 90 90 79 63 65 82 85 87 87 90
Wind dir               SE SE SE  S SE SE SE SE SE SE SE SE SE SE SE SE  S  S  S
Wind spd                8  6  8 11 14 14 12 13 11 10 10 14 18 19 14 13 11 10  9
Wind gust              18                   24 21 20          29    24 23 20
Clouds                 SC SC B1 SC SC SC SC FW SC SC SC SC SC SC SC FW SC FW SC
PoP 12hr                      5           5           5          10           0
QPF 12hr                      0           0           0           0           0
Heat index                         94 94                   90 91
Max heat                           94    95                90    92


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

Max/Min          89      72    87      72    87      71    86      66    84
Temp          87 80 75   73 85 79 75   73 85 78 74   73 84 79 74   67 81 75
Dewpt         71 73 72   71 71 73 72   70 69 70 68   68 67 69 67   65 63 65
PWind dir         S      SE    SE      SE    SE      SE     S       S     S
Wind char        GN      LT    GN      GN    GN      GN    BZ      GN    GN
Avg clouds    SC SC SC   SC SC SC SC   B1 B1 SC SC   SC SC SC SC   SC SC SC
PoP 12hr         10      20    30      20    10      10    10      20    10
Rain shwrs                S  C  S  S                                S
Tstms                     S  S  S

$$
TXZ255-191000-
Harlingen-Cameron TX
26.23N  97.66W Elev. 36 ft
956 PM CST Tue Nov 18 2025

Date           11/18/25      Wed 11/19/25            Thu 11/20/25            Fri
CST 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
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                      70          90          69          89          69
Temp                   72 72 72 80 87 89 80 75 73 72 71 79 87 87 80 74 73 72 72
Dewpt                  72 72 72 75 71 71 72 73 72 71 71 73 70 70 71 71 71 71 70
RH                    100100100 85 59 56 77 94 97 97100 82 57 57 74 90 93 97 93
Wind dir               SE SE SE  S  S SE SE SE SE SE SE SE SE SE SE SE  S  S  S
Wind spd               10  9  9 12 17 19 16 14 13 10 10 16 21 23 18 14 13 10  9
Wind gust                          27       26    21       33 34    25 24 20
Clouds                 SC SC B1 SC B1 SC FW SC FW FW SC SC SC B1 SC SC FW FW SC
PoP 12hr                      5           5           5          20           0
QPF 12hr                      0           0           0           0           0
Rain shwrs                                            S  S
Heat index                         93 94                   91 92
Max heat                           93    95                91    93


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

Max/Min          90      68    85      67    87      67    87      62    83
Temp          87 81 72   69 84 78 70   69 84 78 70   69 84 79 70   63 81 75
Dewpt         70 72 71   69 70 70 70   68 68 69 67   66 66 66 65   63 62 63
PWind dir         S      SE    SE      SE    SE      SE     S       S     S
Wind char        GN      GN    GN      GN    GN      GN    BZ      GN    GN
Avg clouds    SC B1 SC   SC SC B1 SC   B1 B1 SC SC   SC SC SC SC   SC SC SC
PoP 12hr         10      10    30      20    20      10    20      20    10
Rain shwrs                   C  C  S       S  S             S       S
Tstms                        S  S                                   S

$$
TXZ253-191000-
McAllen-Hidalgo TX
26.18N  98.24W Elev. 107 ft
956 PM CST Tue Nov 18 2025

Date           11/18/25      Wed 11/19/25            Thu 11/20/25            Fri
CST 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
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          92          73          92          72
Temp                   77 75 75 80 89 91 84 78 77 75 74 79 88 90 83 78 77 75 73
Dewpt                  72 73 72 74 71 69 70 73 72 72 72 73 71 69 70 72 72 71 71
RH                     85 94 90 82 56 49 63 85 85 90 93 82 57 50 65 82 85 87 93
Wind dir               SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE  S  S
Wind spd               11 10 10 13 17 18 17 16 13 12 11 16 21 20 18 16 13 11 10
Wind gust                          27 29 27 27 26 24    26 34 33    27 26 23
Clouds                 SC SC SC B1 SC SC FW SC SC SC SC SC B1 SC SC FW FW FW FW
PoP 12hr                      0           5           5          10           0
QPF 12hr                      0           0           0           0           0
Heat index                         95 96                   93 95
Max heat                           95    97                93    95


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

Max/Min          92      71    87      71    88      71    88      65    85
Temp          89 85 76   71 85 81 75   72 85 80 74   72 85 82 72   66 81 78
Dewpt         70 70 71   70 69 68 71   70 68 67 68   67 64 62 64   62 59 59
PWind dir         S      SE    SE      SE    SE      SE     S      SE     S
Wind char        GN      GN    GN      GN    BZ      GN    BZ      GN    GN
Avg clouds    SC B1 SC   SC B1 B1 B1   B1 B1 SC SC   SC SC SC FW   SC FW FW
PoP 12hr          5      10    20      10    10      10    10      10     5
Rain shwrs                   S  S
Tstms                           S

$$
TXZ355-191000-
Bayview/Port Isabel-Cameron TX
26.16N  97.34W Elev. 19 ft
956 PM CST Tue Nov 18 2025

Date           11/18/25      Wed 11/19/25            Thu 11/20/25            Fri
CST 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
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                      71          87          71          86          71
Temp                   75 73 73 82 86 85 78 76 75 73 72 81 84 84 78 75 74 73 71
Dewpt                  74 73 73 76 74 75 75 75 73 73 71 74 74 74 74 73 73 72 71
RH                     97100100 82 68 72 91 97 94100 97 79 72 72 88 94 97 97100
Wind dir               SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE  S  S  S
Wind spd                8  8  6 11 16 17 13 13 12 11 10 16 19 20 16 13 11 10  8
Wind gust                                         21                      20
Clouds                 SC SC B1 SC SC FW SC FW B1 FW SC SC SC SC SC FW FW SC SC
PoP 12hr                      5           5           5          20           0
QPF 12hr                      0           0           0           0           0
Rain shwrs                                            S  S
Heat index                         94 94                   91 91
Max heat                           94    95                91    92


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

Max/Min          87      70    85      70    85      69    85      65    83
Temp          86 79 75   71 83 77 73   71 84 77 74   70 82 78 72   66 80 75
Dewpt         73 74 73   71 73 73 73   70 72 72 69   68 70 69 67   65 67 66
PWind dir         S      SE    SE      SE    SE      SE    SE       S     S
Wind char        GN      LT    GN      GN    GN      GN    BZ      GN    GN
Avg clouds    SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC SC   SC SC SC
PoP 12hr         10      20    30      20    10      20    20      20    10
Rain shwrs           S    S  C  S  S    S             S     S       S
Tstms                S    S  S  S                                   S

$$
TXZ249-191000-
Hebbronville-Jim Hogg TX
27.35N  98.74W Elev. 663 ft
956 PM CST Tue Nov 18 2025

Date           11/18/25      Wed 11/19/25            Thu 11/20/25            Fri
CST 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
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                      69          90          69          88          66
Temp                   72 71 71 77 86 89 83 75 73 71 70 77 85 88 81 74 71 69 69
Dewpt                  72 71 71 74 69 66 70 74 73 71 70 73 68 65 68 72 71 69 69
RH                    100100100 90 57 47 65 97100100100 87 57 47 65 93100100100
Wind dir               SE SE SE SE SE SE SE SE SE SE SE SE  S  S SE SE SE  S  S
Wind spd                9  9  9 11 13 14 13 11 10 10 10 13 17 16 12 10 10  9  6
Wind gust              20 19                23 23 23 23 24          20 21 20
Clouds                 SC OV OV B2 B1 SC SC SC B2 B2 B2 B2 B1 B1 SC SC SC SC SC
PoP 12hr                      5           5          10          30          10
QPF 12hr                      0           0           0           0           0
Rain shwrs                                            S  S  C  C
Tstms                                                          S
Heat index                         90 92                      90
Max heat                           90    92                      90


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

Max/Min          87      65    82      65    84      64    83      57    80
Temp          84 80 70   66 81 76 67   66 82 78 69   66 80 77 64   58 77 72
Dewpt         67 68 69   65 63 65 67   65 65 64 67   65 60 58 59   57 56 55
PWind dir         S       E     E       E    SE      SE     S       E    NW
Wind char        LT      LT    GN      GN    GN      GN    GN      LT    GN
Avg clouds    SC B1 SC   SC B1 B1 B2   B2 B1 SC SC   B2 B1 SC SC   SC FW FW
PoP 12hr         10      10    30      30    20      20    20      20     5
Rain shwrs                   S  C  C    S  S  S       S     S  S    S
Tstms                           S  S    S

$$
TXZ250-191000-
Falfurrias-Brooks TX
27.21N  98.12W Elev. 113 ft
956 PM CST Tue Nov 18 2025

Date           11/18/25      Wed 11/19/25            Thu 11/20/25            Fri
CST 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
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                      69          90          70          88          68
Temp                   73 71 71 80 88 90 81 75 73 72 71 79 86 88 80 75 72 70 69
Dewpt                  72 71 71 75 70 69 74 74 73 72 71 74 69 68 72 72 71 70 69
RH                     97100100 85 55 50 79 97100100100 85 57 52 77 90 97100100
Wind dir               SE SE SE  S SE SE SE SE SE SE SE SE  S SE SE SE SE SE SE
Wind spd                6  6  6 10 12 14 13 11 10  9 10 13 16 16 12 10 10  8  5
Wind gust                          23 25 24 24 20 19    24 27 26 23 23 20
Clouds                 SC B2 B1 B1 SC B1 FW FW SC SC B2 B1 B1 B1 SC SC SC SC SC
PoP 12hr                      5           5          10          30           5
QPF 12hr                      0           0           0        0.01           0
Rain shwrs                                            C  C  C  C
Tstms                                                 S        S
Heat index                         93 94                   90 91
Max heat                           93    94                90    92


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

Max/Min          90      67    83      67    85      66    85      60    82
Temp          86 80 71   68 82 76 69   67 83 77 70   67 83 78 66   60 80 73
Dewpt         69 72 70   68 66 68 68   66 66 68 67   64 63 63 62   59 59 61
PWind dir        SE       E     E       E    SE      SE     S      SE     E
Wind char        LT      LT    GN      LT    GN      GN    GN      LT    GN
Avg clouds    SC B1 SC   B1 B1 B1 B1   B2 B1 B1 B1   B1 B1 SC SC   SC FW SC
PoP 12hr         20      20    40      20    30      20    20      20    10
Rain shwrs        S  S       C  C  S    S  S  C       S  S  S  S    S
Tstms             S  S          S  S                           S    S

$$
TXZ253-191000-
Edinburg-Hidalgo TX
26.44N  98.13W Elev. 75 ft
956 PM CST Tue Nov 18 2025

Date           11/18/25      Wed 11/19/25            Thu 11/20/25            Fri
CST 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
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                      70          92          70          90          69
Temp                   74 73 72 81 88 90 82 76 74 72 72 80 87 89 81 76 74 72 71
Dewpt                  72 71 71 73 69 68 70 72 72 70 70 73 69 68 70 71 70 70 70
RH                     93 93 97 77 54 49 67 87 93 93 93 79 55 50 69 85 87 93 97
Wind dir               SE SE SE SE SE SE SE SE SE SE SE SE  S SE SE SE SE  S  S
Wind spd                9  9  9 12 14 18 16 13 11 10 10 16 19 20 17 13 12 10  8
Wind gust                 19                26 24 23       29       26 25 21
Clouds                 SC SC SC B1 B1 SC FW FW SC SC SC SC SC SC SC SC FW FW SC
PoP 12hr                      0           5           5          20           0
QPF 12hr                      0           0           0           0           0
Rain shwrs                                            S  S
Heat index                         93 94                   91 92
Max heat                           93    95                91    93


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

Max/Min          91      68    86      68    87      68    87      62    83
Temp          88 82 73   68 84 78 72   69 84 78 71   69 84 80 69   63 80 75
Dewpt         68 70 71   68 68 68 69   68 67 67 67   65 63 63 62   61 59 60
PWind dir         S      SE    SE      SE    SE      SE     S      SE    SE
Wind char        GN      LT    GN      GN    GN      GN    BZ      GN    GN
Avg clouds    SC B1 SC   SC B1 B1 B1   B1 B1 SC SC   SC SC SC FW   SC FW FW
PoP 12hr         10      10    30      20    20      10    10      20     5
Rain shwrs                   C  C  S       S  S                     S
Tstms                           S  S                                S

$$