Point Forecast Matrices
Issued by NWS Brownsville, TX

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Point Forecast Matrices
National Weather Service Brownsville TX
1136 AM CST Fri Nov 21 2025

TXZ255-212200-
Brownsville-Cameron TX
25.91N  97.42W Elev. 22 ft
1136 AM CST Fri Nov 21 2025

Date             Fri 11/21/25            Sat 11/22/25            Sun 11/23/25
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          87          73          86
Temp                   88 87 80 77 75 75 73 80 84 84 79 76 75 74 74 80 85 85 79
Dewpt                  71 72 73 73 72 72 72 75 73 73 73 73 73 72 71 74 71 71 72
RH                     57 61 79 87 90 90 97 85 70 70 82 90 94 93 90 82 63 63 79
Wind dir                S  S SE SE SE SE SE SE SE SE  E SE SE SE SE SE SE SE SE
Wind spd               14 14 10  8  5  5  4  5  9 10  8  5  5  5  6 10 13 14 12
Clouds                 SC B1 FW CL FW SC SC SC B1 B1 B1 SC SC B1 B1 SC B1 SC SC
PoP 12hr                      5          20          50          20          10
QPF 12hr                      0           0        0.45           0           0
Rain shwrs                          S     S  C  C  C  S  S
Tstms                               S     S  S  S
Heat index             93 93                   91 90                   90 90
Max heat               93    94                91    93                90    91


Date               Mon 11/24/25  Tue 11/25/25  Wed 11/26/25  Thu 11/27/25
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            74    87      71    87      67    79      62    76
Temp          75   75 86 80 76   72 86 79 72   68 76 71 67   62 74 69
Dewpt         71   69 70 71 70   69 68 70 69   66 64 62 59   55 58 60
PWind dir          SE     S       S     S       E     N       N     N
Wind char          GN    BZ      GN    LT      LT    GN      GN    GN
Avg clouds    SC   SC SC B1 SC   SC SC SC SC   B1 B1 B2 B1   B1 B1 B1
PoP 12hr            0     5       5    10      40    60      40    30
Rain shwrs                                 S    C  L  C  C    C  C  S
Tstms                                      S    S     C  S

$$
TXZ255-212200-
Harlingen-Cameron TX
26.23N  97.66W Elev. 36 ft
1136 AM CST Fri Nov 21 2025

Date             Fri 11/21/25            Sat 11/22/25            Sun 11/23/25
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          70          87          69          87
Temp                   88 89 81 75 73 72 71 78 84 84 78 73 72 71 70 78 84 86 79
Dewpt                  70 69 71 72 72 72 71 74 72 72 72 72 72 71 70 73 70 69 70
RH                     55 52 72 90 97100100 88 67 67 82 97100100100 85 63 57 74
Wind dir                S  S SE SE SE SE SE SE SE  E  E SE SE SE SE SE SE SE SE
Wind spd               16 16 13 10  8  5  5  8 10 11 11  9  8  8  8 12 16 18 16
Wind gust              26                                              26
Clouds                 SC SC FW FW CL FW SC SC B1 B2 SC SC B1 SC B1 B1 B1 SC SC
PoP 12hr                      5          10          60          20          10
QPF 12hr                      0           0        0.09        0.02           0
Rain shwrs                                S  C  C  S  S  S
Tstms                                     S  S  S
Heat index             93 93                   90
Max heat               93    95                90    92                      90


Date               Mon 11/24/25  Tue 11/25/25  Wed 11/26/25  Thu 11/27/25
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    89      67    89      63    78      57    76
Temp          72   71 87 82 73   68 86 79 70   64 76 71 63   58 73 69
Dewpt         70   69 69 70 70   68 67 68 67   63 61 59 56   54 57 58
PWind dir          SE     S       S    SE       E     N       N     N
Wind char          GN    BZ      GN    LT      LT    GN      GN    GN
Avg clouds    SC   SC SC SC SC   SC SC SC SC   B1 B1 B1 B1   B1 B1 B1
PoP 12hr            0     5       5    20      30    50      30    30
Rain shwrs                              S  S    C  C  C  C    C  C  S
Tstms                                   S  S    S     C

$$
TXZ253-212200-
McAllen-Hidalgo TX
26.18N  98.24W Elev. 107 ft
1136 AM CST Fri Nov 21 2025

Date             Fri 11/21/25            Sat 11/22/25            Sun 11/23/25
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          73          88          72          89
Temp                   90 91 85 80 77 75 74 79 86 87 81 78 76 74 73 78 86 88 81
Dewpt                  70 69 70 72 72 72 72 74 72 70 72 72 72 72 71 73 70 68 69
RH                     52 49 61 77 85 90 93 85 63 57 74 82 87 93 93 85 59 52 67
Wind dir                S SE SE SE SE SE SE SE SE  E  E SE SE SE SE SE SE SE SE
Wind spd               13 12 13 11 10  8  6  8 10 10 11 10 10  9  9 12 17 18 16
Wind gust              24                                                 28
Clouds                 SC B1 FW FW FW FW B1 B2 B1 B2 SC SC B1 B1 B1 B1 B1 SC SC
PoP 12hr                      5          20          50          20          10
QPF 12hr                      0           0        0.08        0.02           0
Rain shwrs                                   C  C  C  S  S
Tstms                                        S  S  S  S
Heat index             95 96                   91 92                   91 92
Max heat               95    97                91    93                91    93


Date               Mon 11/24/25  Tue 11/25/25  Wed 11/26/25  Thu 11/27/25
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    92      70    90      66    79      60    76
Temp          75   74 88 85 76   71 86 82 73   67 76 71 66   61 73 71
Dewpt         71   70 68 68 69   68 66 66 67   62 58 56 54   52 54 55
PWind dir          SE     S      SE    SE       E     N       N     N
Wind char          BZ    BZ      GN    LT      LT    GN      GN    GN
Avg clouds    SC   SC SC SC SC   FW FW SC B1   B1 B1 B1 B2   B2 B1 B1
PoP 12hr            0     0       0    10      40    40      30    20
Rain shwrs                                 C    C  C  C  C    S  S
Tstms                                      S          S

$$
TXZ355-212200-
Bayview/Port Isabel-Cameron TX
26.16N  97.34W Elev. 19 ft
1136 AM CST Fri Nov 21 2025

Date             Fri 11/21/25            Sat 11/22/25            Sun 11/23/25
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                      88          71          85          71          85
Temp                   86 86 80 76 74 73 71 80 83 83 77 76 75 72 72 80 83 83 77
Dewpt                  73 73 73 73 73 73 71 76 75 75 75 75 73 72 71 74 73 72 73
RH                     65 65 79 90 97100100 88 77 77 94 97 94100 97 82 72 70 87
Wind dir                S  S SE SE SE SE SE SE  E  E  E SE SE SE SE SE SE SE SE
Wind spd               16 16 11  9  6  5  4  6 10 12 10  8  6  6  6 11 14 17 13
Clouds                 SC SC FW FW FW SC SC SC SC SC SC SC SC B1 B1 B1 SC SC SC
PoP 12hr                      5          20          60          20          10
QPF 12hr                      0           0        0.17           0           0
Rain shwrs                                C  C  C  S  S  S
Tstms                                     C  C  S  S
Heat index             94 94                   91 90
Max heat               94    95                91    92                      90


Date               Mon 11/24/25  Tue 11/25/25  Wed 11/26/25  Thu 11/27/25
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      69    86      66    79      60    76
Temp          74   73 85 80 74   70 85 77 72   67 76 71 66   61 74 69
Dewpt         72   69 71 72 70   69 71 71 69   66 66 64 61   57 61 61
PWind dir          SE     S       S    SE       E     N       N    NE
Wind char          GN    BZ      GN    GN      LT    GN      GN    GN
Avg clouds    SC   SC SC B1 SC   SC SC SC SC   B1 B1 B2 B1   B1 B1 B2
PoP 12hr            0     5      10    20      40    50      40    30
Rain shwrs                              S  C    C  C  C  C    C  C  S
Tstms                                      C    S  S  C  S

$$
TXZ249-212200-
Hebbronville-Jim Hogg TX
27.35N  98.74W Elev. 663 ft
1136 AM CST Fri Nov 21 2025

Date             Fri 11/21/25            Sat 11/22/25            Sun 11/23/25
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          67          83          67          84
Temp                   86 88 83 76 73 70 70 75 80 81 75 72 70 69 68 73 81 84 79
Dewpt                  69 67 68 72 72 70 70 72 68 67 69 72 70 69 68 72 68 67 69
RH                     57 50 61 87 97100100 90 67 63 82100100100100 97 65 57 72
Wind dir                S SE  E  E SE SE  E  E NE  E  E  E  E  E  E SE SE SE SE
Wind spd                8  4  5  4  4  3  3  6  9 10 10  9  8  9 10 12 13 14 13
Wind gust                                                  18 19
Clouds                 FW SC B1 SC SC B1 B2 B2 B1 B1 OV B2 B2 OV OV OV B1 B1 B1
PoP 12hr                     10          40          70          50          40
QPF 12hr                      0           0        0.20        0.11           0
Rain shwrs                    C     S  S  C  C  L  C  C  C  C  C  C  C  S  S
Tstms                         C     S  S  S  C  C  C  S
Heat index             90 91
Max heat               90    92


Date               Mon 11/24/25  Tue 11/25/25  Wed 11/26/25  Thu 11/27/25
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    87      62    84      59    72      52    73
Temp          70   69 84 81 68   63 81 76 65   59 70 66 58   52 68 67
Dewpt         70   69 66 67 67   63 61 60 62   54 50 50 51   47 49 52
PWind dir          SE     S      NE    NE      NE     N      NE    NE
Wind char          GN    GN      LT    LT      LT    GN      LT    LT
Avg clouds    B1   B2 B1 SC FW   SC SC SC SC   B1 B1 B1 B1   B1 B1 SC
PoP 12hr            5     5       5    20      30    30      10    10
Rain shwrs                              S  C    C  C  S
Tstms                                   S  C    S  S  S

$$
TXZ250-212200-
Falfurrias-Brooks TX
27.21N  98.12W Elev. 113 ft
1136 AM CST Fri Nov 21 2025

Date             Fri 11/21/25            Sat 11/22/25            Sun 11/23/25
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          84          69          85
Temp                   89 90 83 77 74 71 69 77 82 83 76 73 72 70 69 76 83 84 78
Dewpt                  70 67 72 73 72 71 69 73 69 69 72 72 71 69 69 73 69 68 72
RH                     54 47 70 87 93100100 87 65 63 87 97 97 97100 90 63 59 82
Wind dir                S  S  E SE  S SE  E NE NE NE  E  E  E  E  E SE SE SE SE
Wind spd               10  8  6  5  4  3  3  5  8 10  9  6  5  6  8 11 12 13 12
Wind gust                                                                 24 23
Clouds                 SC B1 SC FW FW SC B1 B1 B1 B2 B1 B1 B2 B2 B2 B2 B1 B1 SC
PoP 12hr                     10          30          60          40          40
QPF 12hr                      0        0.01        0.05        0.06        0.01
Rain shwrs                    S     S     S  L  L  L  C  C  S  S  C  C  S  S
Tstms                         S           S  C  C  C  S  S  S  S  S  S
Heat index             93 93
Max heat               93    94


Date               Mon 11/24/25  Tue 11/25/25  Wed 11/26/25  Thu 11/27/25
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            70    90      66    86      61    74      55    74
Temp          72   71 87 83 71   66 83 77 67   61 72 68 59   55 70 67
Dewpt         71   69 67 68 68   65 64 66 64   57 53 54 51   48 52 57
PWind dir          SE     S       S    NE      NE     N       N    NE
Wind char          GN    GN      LT    LT      LT    GN      LT    GN
Avg clouds    B1   B1 B1 SC SC   SC SC SC SC   B1 B1 B1 B1   B2 B1 B1
PoP 12hr            0     5       5    20      30    40      20    20
Rain shwrs                              S  C    C  C  C  S          S
Tstms                                   S  C    S  S  S

$$
TXZ253-212200-
Edinburg-Hidalgo TX
26.44N  98.13W Elev. 75 ft
1136 AM CST Fri Nov 21 2025

Date             Fri 11/21/25            Sat 11/22/25            Sun 11/23/25
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          87          69          88
Temp                   89 90 84 77 74 72 71 80 85 85 79 74 73 71 70 79 86 87 80
Dewpt                  69 67 70 71 71 71 71 74 69 69 71 72 71 70 70 72 68 67 68
RH                     52 47 63 82 90 97100 82 59 59 77 93 93 97100 79 55 52 67
Wind dir                S  S SE SE SE SE SE SE  E  E  E SE SE SE SE SE SE SE SE
Wind spd               13 12 10  9  6  5  5  8  9 10 10  8  6  6  8 12 14 18 14
Clouds                 SC SC SC FW FW FW SC B1 B1 B2 B2 SC B1 B1 B1 B1 B1 SC SC
PoP 12hr                      5          20          50          30          20
QPF 12hr                      0           0        0.02        0.04           0
Rain shwrs                                S  C  C  C  C  C        S  S
Tstms                                     S  S  C  S  S
Heat index             93 93                                              90
Max heat               93    95                      90                      90


Date               Mon 11/24/25  Tue 11/25/25  Wed 11/26/25  Thu 11/27/25
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            70    91      67    89      63    76      57    76
Temp          73   71 87 83 73   68 85 79 70   63 74 69 63   57 72 69
Dewpt         70   68 67 68 68   67 66 66 66   59 56 55 53   49 53 55
PWind dir          SE     S       S    SE      NE     N       N     N
Wind char          GN    BZ      LT    LT      LT    GN      GN    GN
Avg clouds    SC   B1 SC SC SC   SC FW SC B1   B1 B1 B1 B1   B1 B1 B1
PoP 12hr            0     0       5    20      40    50      30    20
Rain shwrs                              S  C    C  C  C  C    S  S  S
Tstms                                   S  C          S

$$