Area Forecast Matrices
Issued by NWS Brownsville, TX

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Area Forecast Matrices...UPDATED
National Weather Service Brownsville TX
610 AM CST Mon Dec 18 2017

TXZ253-182215-
Hidalgo-
Including the cities of McAllen, Edinburg, Pharr, Mission,
and Weslaco
610 AM CST Mon Dec 18 2017

Date             Mon 12/18/17            Tue 12/19/17            Wed 12/20/17
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                      73          66          82    57 60 63          78
Temp                62 69 73 71 66 67 67 67 69 78 81 73 67 65 62 60 63 74 78 71
Dewpt               59 62 64 65 65 66 66 66 66 67 67 66 66 62 61 58 58 57 54 56
RH                  90 78 73 81 97 97 97 97 90 69 63 79 97 90 97 93 84 55 43 59
Wind dir            NE NE  E  E  E SE SE SE  S  S  S  S  S NW  N  N  N NE  E  E
Wind spd             3  5  5  5  5  5  5  6  8 11 11  6  4  3  4  5  6  6  6  5
Clouds              OV OV OV OV OV OV OV OV OV B1 B1 B1 B1 SC SC SC SC SC SC SC
PoP 12hr                     30          20          20          20           5
QPF 12hr                   0.03        0.06           0        0.02           0
Snow 12hr                    MM          MM          MM
Rain shwrs           C  S  S  S  S  S  S  S  S  S  S  S  S  S  S
Tstms               IS
Obvis                              PF PF PF          PF PF


Date               Thu 12/21/17  Fri 12/22/17  Sat 12/23/17  Sun 12/24/17
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            61    84      65    78      51    65      51    69
Temp          65   61 79 77 69   66 75 67 57   52 62 60 54   52 65 61
Dewpt         60   61 67 67 65   64 64 54 47   44 43 46 50   50 54 52
PWind dir          SE     S       S    SW       N    NE      NE    SE
Wind char          LT    GN      GN    GN      GN    GN      LT    LT
Avg clouds    SC   SC B1 SC SC   SC B1 B1 B1   B2 B2 B2 B1   B1 B2 B2
PoP 12hr            5    10      10    20      20    20      10    20
Rain                                               S  S
Rain shwrs                           S  S  S    S                S  S

$$
TXZ255-182215-
Inland Cameron-
Including the cities of Brownsville and Harlingen
610 AM CST Mon Dec 18 2017

Date             Mon 12/18/17            Tue 12/19/17            Wed 12/20/17
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                      76          68          83          63          76
Temp                65 74 76 72 68 69 69 69 73 81 82 75 70 67 65 63 65 73 76 71
Dewpt               62 66 67 68 68 68 69 69 70 70 69 69 68 65 64 62 62 61 58 61
RH                  90 76 74 87100 97100100 90 69 65 82 93 93 97 97 90 66 54 71
Wind dir             N  E SE SE SE SE SE SE  S  S  S  S  S SW NW  N  N NE NE  E
Wind spd             4  5  6  6  6  8  8  9 11 16 14 10  5  4  4  5  8  9  9  6
Clouds              OV OV OV OV OV B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 SC SC SC
PoP 12hr                     30          20          10          20          10
QPF 12hr                   0.01        0.03           0        0.02           0
Snow 12hr                    MM          MM          MM
Rain shwrs           C  S  S  S  S  S  S              S  S  S  S
Tstms               IS IS IS IS IS
Obvis                              PF PF PF          PF PF PF PF


Date               Thu 12/21/17  Fri 12/22/17  Sat 12/23/17  Sun 12/24/17
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            62    82      67    77      53    66      53    69
Temp          65   62 78 76 70   67 75 68 58   53 63 61 56   53 66 63
Dewpt         62   62 70 69 66   66 67 59 52   50 49 52 54   53 57 56
PWind dir          SE     S       S     S      NE     N       E    SE
Wind char          LT    GN      BZ    BZ      GN    GN      LT    GN
Avg clouds    SC   SC B1 SC SC   SC B1 B1 B1   B2 B2 B2 B1   B1 B2 B2
PoP 12hr           10    10      10    20      30    20      20    20
Rain                                               S  S
Rain shwrs                           S  S  C    C        S    S  S  S

$$
TXZ257-182215-
Coastal Cameron-
Including the cities of Port Isabel, South Padre Island,
Laguna Heights, and Laguna Vista
610 AM CST Mon Dec 18 2017

Date             Mon 12/18/17            Tue 12/19/17            Wed 12/20/17
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                      76          69          80          65          73
Temp                68 74 75 71 69 71 71 71 74 79 80 74 70 68 66 65 66 71 73 70
Dewpt               65 68 68 69 69 70 70 70 71 70 70 69 69 66 66 63 64 63 61 63
RH                  90 82 79 93100 97 97 97 90 74 72 84 97 93100 93 93 76 66 78
Wind dir             N SE  E  E SE SE SE  S  S  S  S  S  S SW  W  N  N NE NE  E
Wind spd             5  6  8  8  9 10 10 11 12 16 14 10  6  4  5  6  8  9 10  8
Clouds              OV OV OV OV OV B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC
PoP 12hr                     30          20          10          20          10
QPF 12hr                   0.01        0.02           0        0.02           0
Snow 12hr                    MM          MM          MM
Rain shwrs           C  S  S  S  S                    S  S  S  S
Tstms               IS IS IS IS IS
Obvis                              PF PF PF          PF PF PF PF


Date               Thu 12/21/17  Fri 12/22/17  Sat 12/23/17  Sun 12/24/17
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            64    79      68    75      55    66      55    68
Temp          66   64 75 74 70   68 73 67 59   55 63 62 57   55 65 63
Dewpt         64   64 70 70 67   66 67 61 56   53 52 54 57   55 59 58
PWind dir          SE     S       S     S      NE     N       E    SE
Wind char          LT    GN      BZ    BZ      BZ    GN      LT    GN
Avg clouds    SC   SC B1 SC SC   SC B1 B1 B1   B2 B2 B2 B1   B2 B2 B2
PoP 12hr           10    10      10    20      30    20      20    20
Rain                                               S  S
Rain shwrs                           S  S  C    C        S    S  S  S

$$
TXZ252-182215-
Starr-
Including the cities of Rio Grande City and Roma
610 AM CST Mon Dec 18 2017

Date             Mon 12/18/17            Tue 12/19/17            Wed 12/20/17
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                      70          64          79          57          78
Temp                60 67 70 68 64 64 64 65 66 75 79 70 64 62 59 57 61 73 78 71
Dewpt               57 60 62 63 63 64 64 64 64 65 65 64 64 60 58 55 56 55 52 54
RH                  90 78 76 84 97100100 97 93 71 62 81100 93 96 93 84 53 40 55
Wind dir            NE  E  E NE  E  E SE SE  S  S  S NW NE  N  N  N  N  N  E  E
Wind spd             4  5  5  5  5  4  4  5  6  9  9  5  4  3  4  5  6  5  5  5
Clouds              OV OV OV OV OV OV OV OV OV B2 B2 B1 B1 SC SC FW FW FW FW SC
PoP 12hr                     50          20          20          10           5
QPF 12hr                   0.05        0.08           0        0.01           0
Snow 12hr                    MM          MM          MM
Rain shwrs           C  C  C  C  C  S  S  S  S  S  S  S  S  S  S
Tstms               IS
Obvis                              PF PF PF


Date               Thu 12/21/17  Fri 12/22/17  Sat 12/23/17  Sun 12/24/17
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            60    84      63    76      50    64      50    68
Temp          64   60 78 76 67   63 73 66 55   50 61 58 53   50 63 60
Dewpt         57   60 66 66 64   62 62 52 45   41 39 42 48   47 51 50
PWind dir          SE    SE      SE     W       N    NE       E    SE
Wind char          LT    GN      GN    GN      GN    LT      LT    LT
Avg clouds    SC   SC B1 SC SC   B1 B1 B1 B1   B2 B2 B2 B2   B1 B1 B1
PoP 12hr            5     5      10    10      10    20      10    20
Rain                                               S  S
Rain shwrs                                                       S  S

$$
TXZ254-182215-
Inland Willacy-
Including the city of Raymondville
610 AM CST Mon Dec 18 2017

Date             Mon 12/18/17            Tue 12/19/17            Wed 12/20/17
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                      75          67          83          61          77
Temp                64 72 75 72 67 68 68 69 72 80 82 74 68 66 63 61 64 73 77 71
Dewpt               61 65 65 67 66 67 68 68 69 69 69 68 67 64 62 59 60 59 57 59
RH                  90 79 71 84 97 97100 97 90 69 65 82 97 93 97 93 87 62 50 66
Wind dir             N NE  E  E  E SE SE SE  S  S  S  S  S  W NW  N  N NE NE  E
Wind spd             4  5  6  6  6  6  6  8 10 14 13  9  5  3  4  5  8  8  8  6
Clouds              OV OV OV OV OV OV OV B2 B2 B2 B2 B1 B1 B1 B1 SC SC SC SC SC
PoP 12hr                     30          20          10          20          10
QPF 12hr                   0.01        0.04           0        0.02           0
Snow 12hr                    MM          MM          MM
Rain shwrs           C  S  S  S  S  S  S  S  S        S  S  S  S
Tstms               IS IS IS IS IS
Obvis                              PF PF PF          PF PF


Date               Thu 12/21/17  Fri 12/22/17  Sat 12/23/17  Sun 12/24/17
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            61    83      66    77      51    65      52    69
Temp          64   61 78 76 69   66 74 67 57   52 62 60 55   52 65 61
Dewpt         61   61 69 69 66   65 66 57 50   47 47 49 53   52 56 54
PWind dir          SE     S       S     S       N    NE      NE    SE
Wind char          LT    GN      BZ    GN      GN    GN      LT    GN
Avg clouds    SC   SC B1 SC SC   SC B1 B1 B1   B2 B2 B2 B1   B1 B2 B2
PoP 12hr           10    10      10    20      30    20      20    20
Rain                                               S  S
Rain shwrs                           S  S  S    S        S    S  S  S

$$
TXZ256-182215-
Coastal Willacy-
Including the city of Port Mansfield
610 AM CST Mon Dec 18 2017

Date             Mon 12/18/17            Tue 12/19/17            Wed 12/20/17
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                      75          68          80          63          73
Temp                68 73 73 70 68 70 70 71 73 79 79 74 69 67 65 64 65 71 73 69
Dewpt               64 67 67 68 68 69 69 69 70 70 69 69 68 66 64 62 62 61 60 61
RH                  87 81 81 93100 97 97 93 90 74 72 84 97 97 97 93 90 71 64 76
Wind dir             N NE  E  E SE SE SE SE SE  S  S  S  S  W NW  N  N NE NE  E
Wind spd             6  6  8  9  9 10 10 11 12 14 14 11  6  4  6  6  9  9  9  8
Clouds              OV OV OV OV OV B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 SC SC SC SC SC
PoP 12hr                     30          20          10          20          10
QPF 12hr                   0.01        0.03           0        0.02           0
Snow 12hr                    MM          MM          MM
Rain shwrs           C  S  S  S  S                    S  S  S  S
Tstms               IS IS IS IS IS
Obvis                              PF PF PF          PF PF PF PF


Date               Thu 12/21/17  Fri 12/22/17  Sat 12/23/17  Sun 12/24/17
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            63    78      67    74      53    64      54    67
Temp          65   63 75 74 69   67 72 66 58   53 62 60 56   54 64 61
Dewpt         63   63 70 69 66   66 67 60 54   51 50 53 55   54 58 57
PWind dir          SE     S       S     S      NE    NE       E    SE
Wind char          LT    GN      BZ    BZ      BZ    GN      GN    GN
Avg clouds    SC   SC B1 SC SC   SC B1 B1 B1   B2 B2 B2 B1   B2 B2 B2
PoP 12hr           10    10      10    30      30    20      20    20
Rain                                               S  S
Rain shwrs                           C  C  C    C        S    S  S  S

$$
TXZ248-182215-
Zapata-
Including the city of Zapata
610 AM CST Mon Dec 18 2017

Date             Mon 12/18/17            Tue 12/19/17            Wed 12/20/17
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                      69          62          76          55          76
Temp                58 65 69 65 62 63 62 63 64 71 76 68 62 59 57 55 59 71 76 69
Dewpt               55 59 60 62 61 62 62 62 63 64 63 63 62 57 55 53 54 53 50 53
RH                  90 81 73 90 97 97100 97 97 79 64 84100 93 93 93 83 53 40 57
Wind dir             E  E  E NE  E  E  E SE  S SW SW NW  N  N  N  N  N  N  E SE
Wind spd             3  4  4  5  4  4  4  4  5  8  6  4  4  4  5  4  5  5  4  5
Clouds              OV OV OV OV OV OV OV OV OV B2 B2 SC SC FW FW FW FW FW FW FW
PoP 12hr                     40          30          20          10           5
QPF 12hr                   0.01   0.08-0.14           0           0           0
Snow 12hr                    MM          MM          MM
Rain shwrs           C  C  C  C  C  C  C  S  S  S  S
Tstms               IS
Obvis                              PF PF PF


Date               Thu 12/21/17  Fri 12/22/17  Sat 12/23/17  Sun 12/24/17
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            59    81      61    73      49    63      48    66
Temp          62   59 76 73 65   61 71 64 54   49 59 57 51   49 62 59
Dewpt         56   59 65 66 63   61 58 49 43   39 37 39 46   46 49 49
PWind dir          SE    SE      SE    NW       N    NE       E     E
Wind char          LT    GN      GN    GN      LT    LT      LT    LT
Avg clouds    FW   SC B1 SC SC   B1 B1 B1 B1   B2 B2 B2 B2   B2 B1 B1
PoP 12hr            5     5      10    10      10    20      20    20
Rain                                               S  S
Rain shwrs                           S  S                S    S  S  S

$$
TXZ249-182215-
Jim Hogg-
Including the city of Hebbronville
610 AM CST Mon Dec 18 2017

Date             Mon 12/18/17            Tue 12/19/17            Wed 12/20/17
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                      69          62          77          55          77
Temp                58 65 69 67 62 63 63 64 66 73 77 69 63 60 58 56 59 72 77 69
Dewpt               55 59 60 62 62 62 62 63 64 65 64 63 62 57 56 53 54 53 49 52
RH                  90 81 73 84100 97 97 97 93 76 64 81 97 90 93 90 83 51 37 55
Wind dir            NE NE  E NE  E  E SE SE  S  S SW  W NW  N  N  N  N  N  E  E
Wind spd             4  4  5  5  4  4  4  5  6 10  9  5  4  4  5  5  6  5  5  5
Clouds              OV OV OV OV OV OV OV OV OV B2 B2 SC SC FW FW FW FW FW FW FW
PoP 12hr                     50          30          20          10           5
QPF 12hr                   0.02   0.08-0.14           0           0           0
Snow 12hr                    MM          MM          MM
Rain shwrs           C  C  C  C  C  C  C  S  S  S  S
Tstms               IS
Obvis                              PF PF PF


Date               Thu 12/21/17  Fri 12/22/17  Sat 12/23/17  Sun 12/24/17
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            58    82      62    74      49    62      48    66
Temp          62   58 76 74 66   62 71 64 54   49 59 57 51   48 62 59
Dewpt         56   58 65 65 63   61 60 50 43   39 37 40 46   46 49 49
PWind dir          SE     S      SE     W       N    NE       E    SE
Wind char          LT    GN      GN    GN      GN    LT      LT    LT
Avg clouds    FW   SC B1 B1 SC   B1 B1 B1 B1   B2 B2 B2 B2   B2 B2 B1
PoP 12hr            5    10      10    20      20    20      10    20
Rain                                               S  S
Rain shwrs                           S  S  S    S        S    S  S  S

$$
TXZ250-182215-
Brooks-
Including the city of Falfurrias
610 AM CST Mon Dec 18 2017

Date             Mon 12/18/17            Tue 12/19/17            Wed 12/20/17
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                      70          64          80          56          78
Temp                59 66 70 69 64 65 65 66 68 76 80 70 64 61 59 56 60 73 78 70
Dewpt               56 59 61 63 63 64 64 65 65 67 66 65 64 59 58 54 55 55 52 54
RH                  90 78 73 81 97 97 97 97 90 74 62 84100 93 96 93 84 53 40 57
Wind dir             N NE NE NE  E  E SE SE  S  S  S SW SW NW  N  N  N  N NE  E
Wind spd             4  5  5  5  4  4  4  5  6 11 10  5  4  3  4  4  6  5  5  5
Clouds              OV OV OV OV OV OV OV OV OV B2 B2 B1 B1 SC SC FW FW FW FW FW
PoP 12hr                     40          30          20          10           5
QPF 12hr                   0.04        0.09           0           0           0
Snow 12hr                    MM          MM          MM
Rain shwrs           C  C  C  C  C  C  C  S  S  S  S  S  S  S  S
Tstms               IS IS IS IS IS
Obvis                              PF PF PF


Date               Thu 12/21/17  Fri 12/22/17  Sat 12/23/17  Sun 12/24/17
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            58    84      63    76      50    63      49    67
Temp          62   58 78 76 68   64 73 66 55   50 60 58 52   49 63 60
Dewpt         57   58 67 67 64   63 63 52 45   42 39 43 48   48 51 50
PWind dir          SE     S       S    SW       N    NE      NE    SE
Wind char          LT    GN      GN    GN      GN    GN      LT    LT
Avg clouds    FW   SC B1 B1 SC   B1 B1 B1 B1   B2 B2 B2 B2   B2 B2 B2
PoP 12hr            5    10      10    20      20    20      20    20
Rain                                               S  S
Rain shwrs                           S  S  S    S        S    S  S  S

$$
TXZ251-182215-
Kenedy-
Including the city of Sarita
610 AM CST Mon Dec 18 2017

Date             Mon 12/18/17            Tue 12/19/17            Wed 12/20/17
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                      72          66    75 81 83    57 59 65    70 76 78
Temp                63 69 72 71 66 68 68 69 71 78 80 72 67 64 62 59 62 72 76 70
Dewpt               59 63 64 66 66 67 67 68 69 69 69 67 65 62 61 57 58 58 57 58
RH                  87 81 76 84100 97 97 97 93 74 69 84 93 93 97 93 87 61 52 66
Wind dir             N  N NE  E  E SE SE SE  S  S  S  S  S  W NW  N  N  N NE  E
Wind spd             5  5  6  6  6  6  6  8 10 13 13  9  5  4  5  5  6  6  6  6
Wind gust                             17             19
Clouds              OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 SC SC FW FW FW FW SC
PoP 12hr                     40          20          20          20           5
QPF 12hr                   0.02   0.04-0.09           0        0.02           0
Snow 12hr                    MM          MM          MM
Rain shwrs           C  C  C  C  C  S  S  S  S  S  S  S  S  S  S
Tstms               IS IS IS IS IS
Obvis                              PF PF PF          PF PF


Date               Thu 12/21/17  Fri 12/22/17  Sat 12/23/17  Sun 12/24/17
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            60    81      65    75      51    63      51    67
Temp          63   60 77 75 68   65 73 66 56   51 60 59 54   51 63 60
Dewpt         59   60 68 68 65   64 65 56 49   46 44 48 51   51 54 53
PWind dir          SE     S       S    SW       N    NE      NE    SE
Wind char          LT    GN      GN    GN      GN    GN      LT    LT
Avg clouds    SC   SC B1 B1 SC   B1 B1 B2 B1   B2 B2 B2 B2   B2 B2 B2
PoP 12hr            5     5      10    20      30    20      20    20
Rain                                               S  S
Rain shwrs                           S  S  C    C        S    S  S  S

$$



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