Point Forecast Matrices
Issued by NWS Houston/Galveston, TX

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Point Forecast Matrices
National Weather Service Houston/Galveston TX
1152 PM CDT Tue Aug 19 2025

TXZ196-200900-
College Station-Brazos TX
30.57N  96.37W Elev. 321 ft
1152 PM CDT Tue Aug 19 2025

Date           08/19/25      Wed 08/20/25            Thu 08/21/25            Fri
CDT 3hrly     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
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                      75          98          75          95          74
Temp                   78 77 76 87 96 96 91 81 79 77 75 84 91 93 89 81 79 76 74
Dewpt                  74 73 72 75 73 72 76 75 74 73 73 75 75 74 75 76 75 73 73
RH                     88 87 87 68 48 46 62 82 85 87 94 74 60 54 64 85 88 90 97
Wind dir               SW  W NW NW NE  E NE NW  W NW  N NE NE NE NE  E  E NE NE
Wind spd                3  3  2  3  3  5  9  4  3  2  2  3  5  5  4  2  1  1  2
Clouds                 CL FW FW FW FW FW B1 SC SC SC SC SC SC SC SC SC FW SC SC
PoP 12hr                      5          30          40          60          30
QPF 12hr                      0        0.13        0.05        0.14        0.08
Rain shwrs                          S  C  C  S  S  C  C  C  L  L  C  C  C  C  C
Tstms                               S  C  C                 S  C  S
Heat index                      96105105103               101104100
Max heat                          107   106    98         103   106    97


Date           08/22  Sat 08/23/25  Sun 08/24/25  Mon 08/25/25  Tue 08/26/25
CDT 6hrly     13 19   01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          93      74    95      73    96      74    95      73    92
Temp          90 89   77 74 92 91   78 73 93 92   79 74 92 89   77 73 89 87
Dewpt         73 73   72 71 69 70   70 69 68 70   71 71 69 71   73 72 73 74
PWind dir        NE       S    NE       S     E       S     S      SE    SE
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC   FW FW FW FW   FW CL FW FW   FW FW FW FW   SC SC SC SC
PoP 12hr         40      10    10       5     5       5    20      10    30
Rain shwrs     C  C             S                           S             C
Tstms             C             S                           S             C

$$
TXZ213-200900-
Bush Intercontinental Airport-Inland Harris TX
29.96N  95.35W Elev. 97 ft
1152 PM CDT Tue Aug 19 2025

Date           08/19/25      Wed 08/20/25            Thu 08/21/25            Fri
CDT 3hrly     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
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                      78          97          77          92          77
Temp                   83 80 79 88 93 95 90 83 81 79 78 84 89 91 88 83 81 79 77
Dewpt                  76 76 75 76 74 72 74 75 75 75 75 75 75 75 76 77 76 75 75
RH                     80 88 88 68 54 48 60 77 82 88 91 74 64 60 68 82 85 88 94
Wind dir               SW  W NW  N NE  E NE  E  N  N  N  N  N NE NE  E  E  N  N
Wind spd                2  3  2  3  3  5  6  3  2  2  3  4  4  4  3  2  1  2  2
Clouds                 CL FW FW FW SC SC SC B1 SC SC SC B1 B1 B1 B1 SC SC SC B1
PoP 12hr                      5          40          40          80          50
QPF 12hr                      0        0.21        0.17        0.16        0.13
Rain shwrs                          C  C  C  S  S  C  C  C  D  L  C  C  C  C  C
Tstms                               C  C  C  S  S  C     C  L  C  C  S  S  S  S
Heat index                      99103104100                99101 99
Max heat               96         106   106    95         100   103    98


Date           08/22  Sat 08/23/25  Sun 08/24/25  Mon 08/25/25  Tue 08/26/25
CDT 6hrly     13 19   01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          91      76    93      76    95      77    94      76    91
Temp          88 85   80 76 90 90   80 76 92 91   81 77 91 89   81 76 88 87
Dewpt         74 74   75 73 71 72   74 73 70 71   74 74 71 73   75 74 73 74
PWind dir        NE      SW    NE      SW    NE      SW     E      SE    SE
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 B1   SC FW SC SC   FW FW FW SC   FW FW FW SC   SC SC SC B1
PoP 12hr         60      20    30      10    20       5    30      10    50
Rain shwrs     C  L    S  S  S  C             S             C          S  C
Tstms          C  L    S        C             S             C          S  C

$$
TXZ438-200900-
Galveston-Galveston Island TX
29.27N  94.87W Elev. 6 ft
1152 PM CDT Tue Aug 19 2025

Date           08/19/25      Wed 08/20/25            Thu 08/21/25            Fri
CDT 3hrly     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
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                      82          93          80          91          81
Temp                   87 84 83 88 92 92 89 86 84 83 81 85 88 90 89 86 84 83 81
Dewpt                  76 76 77 77 76 76 76 77 77 77 77 76 76 76 76 77 77 77 76
RH                     70 77 82 70 60 60 66 75 80 82 88 75 68 64 66 75 80 82 85
Wind dir                S  W NW  N NE SE  S  N NW NW NW NW  N SE SE  S SW  W NW
Wind spd                4  3  5  5  6  6  8  9  5  6  8  6  5  5  5  4  4  4  5
Clouds                 FW FW FW CL FW SC FW SC FW B1 SC B1 SC SC SC SC SC B1 SC
PoP 12hr                     10          30          60          70          70
QPF 12hr                      0           0        0.08        0.13        0.25
Rain shwrs                    S  S  C  S  S  S  S  C  L  L  L  L  C  C  L  L  L
Tstms                         S  S  C  S  S  S  S  C  C  C  L  C  C  C  C  C  C
Heat index             97      100104105101 96 95         100103100 97
Max heat              104   103   106   106   100    97   101   104    99    98


Date           08/22  Sat 08/23/25  Sun 08/24/25  Mon 08/25/25  Tue 08/26/25
CDT 6hrly     13 19   01 07 13 19   01 07 13 19   01 07 13 19   01 07 13 19
UTC 6hrly     18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Max/Min          90      80    91      81    92      81    91      81    90
Temp          87 88   84 81 88 89   85 82 90 89   85 82 89 89   85 82 87 88
Dewpt         76 76   76 76 75 75   76 76 74 75   76 77 75 76   76 76 76 76
PWind dir        NE       S    NE       S    NE      SW     E      SE    SE
Wind char        LT      LT    LT      LT    LT      LT    LT      GN    GN
Avg clouds    B1 B1   SC SC SC SC   FW FW FW FW   FW FW FW FW   FW SC SC SC
PoP 12hr         70      40    40      20    30      10    30      20    40
Rain shwrs     L  C    C  C  C  S       S  C  S          C  S       S  C  C
Tstms          L  C    S  C  C  S       S  C  S          C  S       S  C  C

$$