Point Forecast Matrices
Issued by NWS Brownsville, TX

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Point Forecast Matrices
National Weather Service Brownsville TX
621 AM CDT Thu Oct 9 2025

TXZ255-092100-
Brownsville-Cameron TX
25.91N  97.42W Elev. 22 ft
621 AM CDT Thu Oct 9 2025

Date             Thu 10/09/25            Fri 10/10/25            Sat 10/11/25
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                      90          77          89          73          89
Temp             78 84 88 88 83 81 80 78 77 85 88 87 82 79 76 74 73 81 87 87 81
Dewpt            75 77 75 75 75 75 75 74 73 74 73 73 73 72 71 70 69 71 67 67 67
RH               91 80 66 66 77 82 85 88 87 70 61 63 74 79 85 87 87 72 52 52 63
Wind dir         NE NE NE NE NE NE NE  N  N NE NE NE NE NE NE NE  N NE NE NE  E
Wind spd          9 12 14 16 11  9  8  8  9 11 13 13 10  5  3  3  4  5  8  8  5
Clouds           SC B1 B1 SC SC SC SC SC B1 SC SC SC FW FW FW FW FW FW FW FW FW
PoP 12hr                     70          40          40          10          10
QPF 12hr                   0.21        0.26        0.12           0           0
Rain shwrs        C  L  L  C  C  C  S  C  C  C  C  C
Tstms                C  C              S  S  S  S
Heat index          93 97 97 90             92 96 93                   90 90
Max heat               97    99                96    96                90    91


Date          Sun 10/12/25  Mon 10/13/25  Tue 10/14/25  Wed 10/15/25
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          72    89      74    90      75    89      73    90
Temp          75 73 87 82   76 75 89 83   78 75 88 82   77 74 88 84
Dewpt         68 67 68 68   69 70 71 71   72 72 72 73   72 71 70 71
PWind dir        SE    SE      SE    SE      SE     E      SE     E
Wind char        LT    LT      LT    GN      LT    GN      LT    GN
Avg clouds    CL FW FW FW   FW FW FW SC   FW FW SC SC   FW FW FW SC
PoP 12hr          0     5       5    10      10    20      10    10
Rain shwrs                                       S  S

$$
TXZ255-092100-
Harlingen-Cameron TX
26.23N  97.66W Elev. 36 ft
621 AM CDT Thu Oct 9 2025

Date             Thu 10/09/25            Fri 10/10/25            Sat 10/11/25
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                      90          73          91          68          91
Temp             75 83 88 87 82 77 76 75 74 84 90 87 81 75 72 70 69 79 88 88 81
Dewpt            73 76 74 74 75 74 74 73 72 74 72 71 71 71 70 69 67 71 65 64 65
RH               94 80 63 65 79 90 94 94 93 72 56 59 72 87 93 97 93 77 47 45 58
Wind dir          N NE NE NE NE NE NE NE  N NE NE NE NE NE NE NE  N  N NE  E  E
Wind spd         10 13 18 18 13 10  9  9 10 13 17 16 11  5  4  4  5  5  9 10  9
Clouds           SC SC SC B1 B1 SC FW SC B1 SC SC SC FW CL CL CL FW FW FW FW CL
PoP 12hr                     60          20          40           5           5
QPF 12hr                   0.30        0.34        0.25           0           0
Rain shwrs        C  C  L  C     S     S  C  C  C  C
Tstms                S  S                 S  S  S
Heat index          91 97 95                91 97 92                   90 90
Max heat               97    98                97    96                90    91


Date          Sun 10/12/25  Mon 10/13/25  Tue 10/14/25  Wed 10/15/25
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          66    91      70    91      71    91      70    91
Temp          70 68 88 81   72 71 89 83   74 72 88 82   74 71 88 83
Dewpt         67 66 67 68   69 68 70 70   71 70 71 71   72 70 69 70
PWind dir        SE    SE      SE    SE      SE     E      SE     E
Wind char        LT    GN      LT    GN      LT    GN      LT    GN
Avg clouds    CL CL FW FW   FW FW FW SC   FW FW FW SC   FW FW FW FW
PoP 12hr          0     5       0    10       5    20       5    10
Rain shwrs                                          S

$$
TXZ253-092100-
McAllen-Hidalgo TX
26.18N  98.24W Elev. 107 ft
621 AM CDT Thu Oct 9 2025

Date             Thu 10/09/25            Fri 10/10/25            Sat 10/11/25
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                      93          75          93          70          94
Temp             77 83 90 90 84 80 78 77 76 85 91 90 84 79 75 73 71 80 89 92 85
Dewpt            74 75 73 72 72 74 73 73 72 73 70 68 68 70 70 69 68 69 65 61 62
RH               90 77 58 56 67 82 85 87 87 67 50 49 59 74 84 87 90 69 45 36 46
Wind dir          N NE NE NE NE NE NE  N  N NE NE NE  E  E NE  N  N NE NE  E  E
Wind spd          9 11 13 13 12  8  5  6  9 11 13 13 10  3  2  3  4  5  6  6  9
Wind gust                 24
Clouds           B1 SC B1 B1 B1 FW SC SC SC FW SC SC FW CL CL FW FW FW FW FW CL
PoP 12hr                     60          20          40           5           5
QPF 12hr                   0.20        0.07        0.01           0           0
Rain shwrs        C  C  L  C  S        S  S  S  C  C
Tstms                S  S                    S  S
Heat index          90 98 97 90             91 97 94                   91 92
Max heat               98   100                97    97                91    93


Date          Sun 10/12/25  Mon 10/13/25  Tue 10/14/25  Wed 10/15/25
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    93      73    94      73    94      73    94
Temp          75 70 89 84   76 74 90 85   78 74 91 85   77 73 90 87
Dewpt         67 67 66 67   69 69 68 69   71 70 69 69   72 70 67 67
PWind dir        SE    SE      SE    SE      SE    SE      SE    SE
Wind char        LT    GN      GN    GN      GN    GN      LT    LT
Avg clouds    CL CL CL FW   CL FW FW SC   FW FW FW SC   FW FW FW SC
PoP 12hr          0     5       0    10       5    20       5    10
Rain shwrs                                          S

$$
TXZ355-092100-
Bayview/Port Isabel-Cameron TX
26.16N  97.34W Elev. 19 ft
621 AM CDT Thu Oct 9 2025

Date             Thu 10/09/25            Fri 10/10/25            Sat 10/11/25
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                      88          76          88          73          87
Temp             78 84 86 86 82 80 80 78 77 84 87 85 81 79 77 74 73 82 85 85 81
Dewpt            75 78 78 77 77 76 75 75 73 76 75 75 74 72 71 70 69 71 70 69 69
RH               91 82 77 75 85 88 85 91 87 77 68 72 79 79 82 87 87 69 61 59 67
Wind dir         NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE  E
Wind spd         10 13 18 18 13 12 10 10 10 14 17 17 12  8  5  5  4  6 10 10  6
Clouds           SC SC SC SC SC FW SC SC SC SC SC SC FW FW FW FW FW FW FW FW CL
PoP 12hr                     60          30          40           5           5
QPF 12hr                   0.20        0.12        0.06           0           0
Rain shwrs        C  L  C  C  S  S  S  S  C  C  S  S
Tstms                S  S                 S  S  S
Heat index          94 98 98 90             93 97 94                   90
Max heat               98   100                97    97                90    90


Date          Sun 10/12/25  Mon 10/13/25  Tue 10/14/25  Wed 10/15/25
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    88      73    88      74    88      73    88
Temp          75 72 86 81   76 74 87 82   78 75 86 82   77 74 86 83
Dewpt         69 68 70 70   70 70 74 73   73 72 75 75   73 71 73 74
PWind dir        SE    SE      SE    SE      SE    SE      SE     E
Wind char        LT    GN      LT    GN      LT    GN      LT    GN
Avg clouds    FW FW FW FW   FW FW FW FW   FW FW SC SC   FW FW FW FW
PoP 12hr          0     5       5    10      10    20       5    10
Rain shwrs                                       S  S

$$
TXZ249-092100-
Hebbronville-Jim Hogg TX
27.35N  98.74W Elev. 663 ft
621 AM CDT Thu Oct 9 2025

Date             Thu 10/09/25            Fri 10/10/25            Sat 10/11/25
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          69          92          64          92
Temp             72 81 89 89 82 77 73 71 70 82 91 91 83 74 69 66 65 77 88 90 83
Dewpt            72 75 69 68 71 74 73 71 70 73 65 61 63 67 68 66 65 69 60 57 60
RH              100 82 52 50 69 90100100100 74 42 37 51 79 97100100 76 39 33 46
Wind dir         NE NE NE  E  E  E NE NE  N NE NE  E  E  E SE  S  S  E  E  E  E
Wind spd          6 10 13 13 11  5  3  4  6 10 11 11 10  3  1  1  2  3  5  6  8
Clouds           B1 SC B1 B1 SC FW FW FW FW FW FW FW FW CL CL CL FW CL CL FW CL
PoP 12hr                     20           5           5           0           0
QPF 12hr                   0.01           0           0           0           0
Rain shwrs                 S
Obvis                                                      PF  F PF
Heat index             94 93                   93 91
Max heat               94    95                93    93


Date          Sun 10/12/25  Mon 10/13/25  Tue 10/14/25  Wed 10/15/25
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          64    92      67    93      69    92      67    93
Temp          70 65 88 84   71 68 89 84   73 70 89 83   72 69 89 86
Dewpt         67 65 62 65   69 67 67 69   72 69 68 71   72 69 65 66
PWind dir        SE    SE      SE    SE      SE    SE      SE    SE
Wind char        LT    GN      GN    GN      LT    GN      LT    LT
Avg clouds    CL CL CL FW   CL FW FW FW   FW FW SC SC   FW FW FW FW
PoP 12hr          0     0       0     5       0    10       0     5

$$
TXZ250-092100-
Falfurrias-Brooks TX
27.21N  98.12W Elev. 113 ft
621 AM CDT Thu Oct 9 2025

Date             Thu 10/09/25            Fri 10/10/25            Sat 10/11/25
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          72          92          65          92
Temp             73 83 89 89 82 77 74 73 72 83 91 91 82 74 70 67 66 78 89 91 82
Dewpt            73 77 73 72 74 74 73 72 71 74 68 65 67 69 69 67 66 70 63 61 64
RH              100 82 59 57 77 90 97 97 97 74 47 42 61 84 97100100 76 42 37 55
Wind dir          N NE NE  E  E  E NE  N  N NE NE  E  E  E  E NW  N NE  E  E  E
Wind spd          8 12 13 13 10  4  3  5  8 11 12 11  6  2  1  2  2  4  6  6  8
Wind gust                    20                      17
Clouds           SC SC B1 SC FW FW FW FW SC FW FW FW FW CL FW CL FW CL CL FW CL
PoP 12hr                     30           5          10           0           0
QPF 12hr                   0.01           0           0           0           0
Rain shwrs              C  S
Obvis                                                      PF PF
Heat index          92 97 96                90 95 93                      91
Max heat               97    97                95    95                      91


Date          Sun 10/12/25  Mon 10/13/25  Tue 10/14/25  Wed 10/15/25
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          64    92      69    93      70    91      69    92
Temp          69 65 89 82   72 70 90 83   73 71 90 82   73 70 89 85
Dewpt         66 64 65 68   69 67 69 71   71 70 70 73   72 70 68 70
PWind dir        SE    SE      SE    SE      SE    SE      SE     E
Wind char        LT    LT      LT    GN      LT    GN      LT    LT
Avg clouds    CL FW CL FW   CL FW FW SC   FW FW SC SC   FW FW FW FW
PoP 12hr          0     5       0    10       0    20       0    10
Rain shwrs                                          S

$$
TXZ253-092100-
Edinburg-Hidalgo TX
26.44N  98.13W Elev. 75 ft
621 AM CDT Thu Oct 9 2025

Date             Thu 10/09/25            Fri 10/10/25            Sat 10/11/25
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          72          92          65          92
Temp             74 84 89 88 82 77 75 73 73 84 91 89 82 75 71 67 67 79 89 90 83
Dewpt            73 74 72 72 73 74 73 72 71 73 69 67 68 70 69 67 65 68 64 61 64
RH               97 72 57 59 74 90 94 97 93 70 49 48 63 84 93100 93 69 44 38 53
Wind dir          N NE NE NE NE NE NE  N  N NE NE NE  E  E NE  N  N  N  E  E  E
Wind spd          9 12 14 16 11  5  5  5  8 11 13 13 10  2  1  2  3  5  6  9  9
Clouds           SC SC SC B1 SC FW SC SC FW FW SC SC FW CL CL FW FW FW CL FW CL
PoP 12hr                     60          10          30           5           5
QPF 12hr                   0.10        0.01           0           0           0
Rain shwrs        S  S  L  C              S  S  C  C
Tstms                S                       S  S
Obvis                                                         PF
Heat index          91 96 95                91 95 93                   90 90
Max heat               96    97                95    95                90    91


Date          Sun 10/12/25  Mon 10/13/25  Tue 10/14/25  Wed 10/15/25
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      69    92      71    92      69    93
Temp          70 66 88 82   72 70 89 83   74 72 89 82   74 70 89 85
Dewpt         65 64 64 66   67 67 68 69   70 69 69 70   70 69 67 68
PWind dir        SE    SE      SE    SE      SE    SE      SE     E
Wind char        LT    GN      LT    GN      LT    GN      LT    GN
Avg clouds    CL CL CL FW   CL FW FW FW   FW FW FW SC   FW FW FW FW
PoP 12hr          0     5       0    10       0    20       0    10
Rain shwrs                                          S

$$