Point Forecast Matrices
Issued by NWS Brownsville, TX

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Point Forecast Matrices
National Weather Service Brownsville TX
621 AM CDT Sun Oct 12 2025

TXZ255-122100-
Brownsville-Cameron TX
25.91N  97.42W Elev. 22 ft
621 AM CDT Sun Oct 12 2025

Date             Sun 10/12/25            Mon 10/13/25            Tue 10/14/25
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                      89          73          89          75          88
Temp             71 81 88 87 81 77 76 74 74 83 88 88 82 78 78 76 75 82 86 85 81
Dewpt            62 65 63 66 68 69 69 69 69 71 68 69 70 72 72 71 72 74 72 71 71
RH               73 58 43 50 65 76 79 84 84 67 52 54 67 82 82 85 90 77 63 63 72
Wind dir         NE  E SE SE SE SE SE SE  E SE  E  E  E  E  E SE  E  E  E  E  E
Wind spd          2  2  5  9  8  5  5  4  4  5 10 10  8  5  5  4  4  6 10 10  8
Clouds           CL FW FW FW FW FW FW FW SC FW SC SC FW FW SC SC SC SC SC SC FW
PoP 12hr                      0           0          10          20          30
QPF 12hr                      0           0           0           0        0.04
Rain shwrs                                                  S  S  C  C  S  S
Heat index                                     92 92                   92 91
Max heat                     90                92    92                92    92


Date          Wed 10/15/25  Thu 10/16/25  Fri 10/17/25  Sat 10/18/25
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          71    89      71    89      73    90      76    92
Temp          75 72 87 81   75 72 87 81   76 74 88 83   78 76 90 84
Dewpt         68 67 66 66   66 66 66 68   70 69 71 71   72 72 73 74
PWind dir         E    NE       E    SE      SE    SE      SE    SE
Wind char        LT    LT      LT    LT      LT    GN      LT    GN
Avg clouds    FW FW SC SC   FW FW SC SC   FW FW FW SC   FW FW SC SC
PoP 12hr          5     5       0    10       5     5       5     5

$$
TXZ255-122100-
Harlingen-Cameron TX
26.23N  97.66W Elev. 36 ft
621 AM CDT Sun Oct 12 2025

Date             Sun 10/12/25            Mon 10/13/25            Tue 10/14/25
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          67          91          70          89
Temp             66 80 88 89 81 74 71 69 69 81 89 89 81 76 73 72 72 80 86 86 80
Dewpt            62 65 63 64 66 67 68 67 66 70 68 67 69 71 71 71 70 72 71 70 69
RH               87 60 43 44 60 79 90 93 90 69 50 48 67 85 93 97 93 77 61 59 69
Wind dir          E SE SE  E  E SE SE SE  E SE  E  E  E  E  E SE  E  E  E  E  E
Wind spd          1  2  6 11 11  6  5  5  5  8 11 13 12  6  5  5  5  8 11 13 10
Clouds           CL CL CL FW FW CL CL FW SC FW SC SC FW FW SC SC SC SC B1 SC FW
PoP 12hr                      0           0           5          10          30
QPF 12hr                      0           0           0           0           0
Rain shwrs                                                        C  C  C  C
Heat index                90                   92 92                   91 90
Max heat                     91                92    93                91    92


Date          Wed 10/15/25  Thu 10/16/25  Fri 10/17/25  Sat 10/18/25
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          67    90      66    90      69    92      72    93
Temp          72 69 87 80   70 67 87 81   72 70 89 83   74 73 90 84
Dewpt         68 66 65 65   66 64 65 67   69 68 70 71   72 71 72 73
PWind dir         E    NE      SE    SE      SE    SE      SE    SE
Wind char        LT    GN      LT    LT      LT    GN      GN    GN
Avg clouds    FW FW FW SC   FW FW SC SC   FW FW FW SC   FW FW FW FW
PoP 12hr          0     5       0    10       0     5       0     5

$$
TXZ253-122100-
McAllen-Hidalgo TX
26.18N  98.24W Elev. 107 ft
621 AM CDT Sun Oct 12 2025

Date             Sun 10/12/25            Mon 10/13/25            Tue 10/14/25
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          72          95          73          92
Temp             69 80 90 92 86 80 76 73 72 81 91 92 86 80 77 75 74 81 88 89 83
Dewpt            63 65 61 61 63 67 68 68 68 70 66 65 67 69 71 71 70 72 70 69 69
RH               81 60 38 36 46 65 76 84 87 69 44 41 53 69 82 87 87 74 55 52 63
Wind dir          E SE SE SE  E SE SE SE  E SE SE SE  E  E  E  E  E  E  E  E  E
Wind spd          3  4  8  9 11  9  8  6  5  8 10 11 12  8  5  5  5  6  9 10 11
Clouds           CL FW CL FW FW FW SC FW SC FW SC SC FW FW FW FW FW SC B1 B1 SC
PoP 12hr                      0           0           5           5          30
QPF 12hr                      0           0           0           0           0
Rain shwrs                                                        S  S  C  C
Heat index             90 92                   93 95                   93 93
Max heat               90    93                93    95                93    94


Date          Wed 10/15/25  Thu 10/16/25  Fri 10/17/25  Sat 10/18/25
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          70    92      69    93      71    94      74    97
Temp          75 70 88 84   75 70 88 84   76 72 91 87   77 75 92 88
Dewpt         69 67 64 63   65 65 63 65   68 68 67 68   72 71 70 71
PWind dir         E    NE      SE    SE      SE    SE      SE    SE
Wind char        LT    LT      LT    LT      LT    GN      GN    GN
Avg clouds    FW FW FW SC   FW FW FW SC   FW FW FW FW   FW FW FW FW
PoP 12hr          0     5       0     5       0     5       0     5

$$
TXZ355-122100-
Bayview/Port Isabel-Cameron TX
26.16N  97.34W Elev. 19 ft
621 AM CDT Sun Oct 12 2025

Date             Sun 10/12/25            Mon 10/13/25            Tue 10/14/25
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                      87          72          87          74          87
Temp             70 81 86 86 81 77 76 74 73 83 86 86 81 78 78 76 75 82 85 85 81
Dewpt            63 66 66 68 69 69 69 69 69 71 71 72 72 73 73 72 72 74 74 74 72
RH               78 60 51 55 67 76 79 84 87 67 61 63 74 85 85 87 90 77 70 70 74
Wind dir          W SE  E  E  E SE SE SE SE SE  E  E  E  E SE SE  E  E  E  E  E
Wind spd          2  2  9 10 10  6  5  5  5  6 11 12 10  8  6  5  5  8 12 13 10
Clouds           CL FW FW FW FW FW FW SC SC FW FW FW FW SC SC SC B1 SC SC SC FW
PoP 12hr                      0           0          10          20          30
QPF 12hr                      0           0           0           0        0.01
Rain shwrs                                            S  S  S  S  C  C
Heat index                                     92 91                   93 92
Max heat                     90                92    92                93    93


Date          Wed 10/15/25  Thu 10/16/25  Fri 10/17/25  Sat 10/18/25
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          71    86      71    87      73    89      74    90
Temp          76 72 85 80   75 72 85 81   76 73 87 82   77 75 88 83
Dewpt         69 67 69 68   67 66 69 71   70 70 73 73   73 72 76 76
PWind dir         E    NE      SE    SE      SE    SE      SE    SE
Wind char        LT    GN      LT    LT      LT    GN      GN    GN
Avg clouds    FW FW SC FW   FW FW SC SC   FW FW FW SC   FW FW FW FW
PoP 12hr          5     5       0     5       5     5       5     5

$$
TXZ249-122100-
Hebbronville-Jim Hogg TX
27.35N  98.74W Elev. 663 ft
621 AM CDT Sun Oct 12 2025

Date             Sun 10/12/25            Mon 10/13/25            Tue 10/14/25
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          66          91          68          89
Temp             63 79 88 90 83 74 70 67 66 79 88 90 82 75 71 69 69 79 86 87 81
Dewpt            63 65 58 57 62 67 68 67 66 70 64 62 66 71 71 69 69 73 68 67 69
RH              100 62 36 33 49 79 93100100 74 45 39 58 87100100100 82 55 52 67
Wind dir         SE  S SE SE SE SE SE SE SE SE SE SE  E  E  E  E  E  E  E  E  E
Wind spd          3  6  9 10 10  9  6  6  5  9 10 11 12  9  5  5  4  6  9 10 10
Wind gust                          17
Clouds           FW CL FW FW FW FW FW FW FW FW FW SC FW FW FW SC SC SC B1 B1 SC
PoP 12hr                      0           0           0           5          20
QPF 12hr                      0           0           0           0           0
Rain shwrs                                                              S  S
Heat index                                     90 90                   90 90
Max heat                                       90    91                90    90


Date          Wed 10/15/25  Thu 10/16/25  Fri 10/17/25  Sat 10/18/25
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          65    90      64    90      67    92      69    94
Temp          70 66 87 82   69 65 87 82   70 67 88 84   73 70 91 87
Dewpt         69 66 61 61   66 63 62 64   68 67 66 68   72 70 68 69
PWind dir         E     E      SE    SE      SE    SE      SE    SE
Wind char        LT    LT      LT    LT      LT    LT      GN    GN
Avg clouds    FW FW FW FW   FW FW FW SC   FW FW FW FW   FW FW FW FW
PoP 12hr          0     0       0     0       0     0       0     0

$$
TXZ250-122100-
Falfurrias-Brooks TX
27.21N  98.12W Elev. 113 ft
621 AM CDT Sun Oct 12 2025

Date             Sun 10/12/25            Mon 10/13/25            Tue 10/14/25
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          66          91          70          89
Temp             64 79 89 90 81 74 70 68 67 81 89 90 81 75 73 71 71 81 86 87 80
Dewpt            63 67 61 61 66 67 67 66 66 71 66 66 69 72 71 70 69 73 70 69 70
RH               97 67 39 38 60 79 90 93 97 72 47 45 67 90 93 97 93 77 59 55 72
Wind dir          E SE SE SE SE SE SE SE  E  E SE  E  E  E  E  E  E  E  E  E  E
Wind spd          1  2  8 10 10  5  4  3  3  5 10 11 10  5  3  2  3  6 10 10  8
Wind gust                    20                      20                      18
Clouds           FW CL CL FW FW FW FW FW FW FW FW SC FW FW FW SC SC SC B1 B1 FW
PoP 12hr                      0           0           5           5          20
QPF 12hr                      0           0           0           0           0
Rain shwrs                                                        S  S  S  S
Obvis            PF
Heat index                91                   92 93                   91 91
Max heat                     91                92    94                91    92


Date          Wed 10/15/25  Thu 10/16/25  Fri 10/17/25  Sat 10/18/25
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          65    90      65    91      68    92      70    94
Temp          70 65 88 81   70 65 88 81   72 68 89 82   74 71 92 85
Dewpt         68 65 64 64   66 64 66 68   68 67 68 72   72 71 71 73
PWind dir         E     E      SE    SE      SE    SE      SE    SE
Wind char        LT    LT      LT    LT      LT    LT      LT    GN
Avg clouds    FW FW FW FW   FW FW FW SC   FW FW FW FW   FW FW FW FW
PoP 12hr          0     0       0     5       0     5       0     5

$$
TXZ253-122100-
Edinburg-Hidalgo TX
26.44N  98.13W Elev. 75 ft
621 AM CDT Sun Oct 12 2025

Date             Sun 10/12/25            Mon 10/13/25            Tue 10/14/25
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                      92          67          93          70          90
Temp             65 79 89 91 82 75 72 69 69 81 90 91 83 76 73 71 71 81 87 88 81
Dewpt            61 63 60 60 64 67 66 67 66 68 66 65 68 70 70 69 69 72 69 69 69
RH               87 58 38 36 55 76 81 93 90 65 45 42 61 82 90 93 93 74 55 54 67
Wind dir          E SE SE SE  E SE SE SE  E SE SE  E  E  E  E  E  E  E  E  E  E
Wind spd          2  3  8 10 11  6  5  5  4  8 10 12 12  5  4  3  3  6 10 12 10
Clouds           CL FW CL CL FW FW FW CL FW FW FW SC FW FW SC SC SC SC B1 SC FW
PoP 12hr                      0           0           5           5          30
QPF 12hr                      0           0           0           0           0
Rain shwrs                                                        S  S  C  C
Heat index                                     93 93                   92 92
Max heat                     91                93    94                92    93


Date          Wed 10/15/25  Thu 10/16/25  Fri 10/17/25  Sat 10/18/25
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          65    91      66    91      68    93      71    95
Temp          71 67 87 81   70 67 87 81   73 69 89 84   74 72 91 86
Dewpt         68 65 63 63   64 63 63 66   67 67 67 69   71 70 70 71
PWind dir         E    NE      SE    SE      SE    SE      SE    SE
Wind char        LT    LT      LT    LT      LT    GN      LT    GN
Avg clouds    FW FW FW FW   FW FW FW SC   FW FW FW FW   FW FW FW FW
PoP 12hr          0     5       0     5       0     5       0     5

$$