Point Forecast Matrices
Issued by NWS Houston/Galveston, TX

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Point Forecast Matrices
National Weather Service Houston/Galveston TX
703 PM CDT Sun Aug 17 2025

TXZ196-180900-
College Station-Brazos TX
30.57N  96.37W Elev. 321 ft
703 PM CDT Sun Aug 17 2025

Date           08/17/25      Mon 08/18/25            Tue 08/19/25            Wed
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                      76          98          76          98          76
Temp                84 81 77 76 88 95 98 93 85 81 78 76 87 94 98 92 84 81 77 76
Dewpt               73 74 74 74 74 72 70 72 72 73 73 73 74 73 71 72 71 72 72 72
RH                  70 79 90 94 63 48 41 51 65 77 85 90 65 51 42 52 65 74 85 87
Wind dir            SE  S  S SW  W  E  E SE SE  S  W NE NW NE NE  E SE  S SW  W
Wind spd             6  5  3  3  4  3  5  5  4  3  2  2  4  5  6  4  4  3  3  3
Clouds              SC FW SC FW SC SC SC SC SC SC SC SC SC SC SC SC SC FW FW FW
PoP 12hr                      5          30          20          40          20
QPF 12hr                      0        0.01           0        0.02           0
Rain shwrs                             S  S  S        S  S  C  C  S  S
Tstms                                  S  S                 C  C  S
Heat index                      96104105100             95103105100
Max heat        101    96         105   108    97         105   108    96


Date           08/20  Thu 08/21/25  Fri 08/22/25  Sat 08/23/25  Sun 08/24/25
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          97      76    95      74    91      74    92      74    93
Temp          94 92   80 76 92 90   78 74 88 87   77 74 89 87   78 74 90 88
Dewpt         71 72   72 72 72 73   73 72 74 73   74 72 73 72   72 72 72 72
PWind dir         N       E     N       S    NE       S    NE       S    SE
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC   SC SC B1 B1   B1 B1 B1 B1   SC SC B1 SC   FW FW SC SC
PoP 12hr         40      30    60      30    60      20    30      10    30
Rain shwrs        C    C  S  C  L    C  S  C  L    S  S  S  C             C
Tstms             C    S        C    C  S     C    S        C             C

$$
TXZ213-180900-
Bush Intercontinental Airport-Inland Harris TX
29.96N  95.35W Elev. 97 ft
703 PM CDT Sun Aug 17 2025

Date           08/17/25      Mon 08/18/25            Tue 08/19/25            Wed
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                      79          98          79          97          79
Temp                86 83 80 79 88 95 98 93 86 83 80 79 88 94 97 92 86 83 80 79
Dewpt               75 75 75 76 75 73 72 73 75 75 75 74 74 73 72 73 74 75 74 74
RH                  70 77 85 91 66 49 43 52 70 77 85 85 63 51 45 54 68 77 82 85
Wind dir             S SW  W NW NW NE  E  E SE SW NW NW NW  N  E  E  S SW  W NW
Wind spd             5  3  2  2  4  4  6  5  4  4  3  3  4  5  6  5  4  3  3  2
Clouds              FW FW FW SC SC SC SC SC SC SC SC B1 B1 B1 B1 B1 SC FW SC SC
PoP 12hr                     10          50          30          50          20
QPF 12hr                   0.01        0.04        0.07        0.04        0.01
Rain shwrs                             C  C  C  S  S  S  S  C  C  S  S        S
Tstms                                  C  C  S  S        S  C  C  S
Heat index          95          99105107102 95          97103105101
Max heat        103   101         106   109   100         104   106    98


Date           08/20  Thu 08/21/25  Fri 08/22/25  Sat 08/23/25  Sun 08/24/25
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          97      79    93      76    91      76    92      77    93
Temp          94 92   83 79 91 89   80 76 89 87   79 76 89 88   80 77 90 89
Dewpt         73 74   74 74 73 75   75 74 74 74   74 74 74 74   74 74 73 73
PWind dir         N      NE    NW       W    NE       S    NE       S    NE
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC   SC SC B1 B1   B1 B1 B1 B1   B1 B1 B1 B1   SC SC SC B1
PoP 12hr         40      30    70      40    70      30    50      20    40
Rain shwrs     S  C    C  S  S  L    C  C  C  L    C  S  C  C    S  S  C  C
Tstms          S  C    C  S  S  L    C  S  C  L    C     S  C    S  S  C  C

$$
TXZ438-180900-
Galveston-Galveston Island TX
29.27N  94.87W Elev. 6 ft
703 PM CDT Sun Aug 17 2025

Date           08/17/25      Mon 08/18/25            Tue 08/19/25            Wed
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          82          93          81
Temp                86 84 83 82 88 91 93 90 86 84 83 82 88 91 93 90 86 84 82 81
Dewpt               78 78 77 78 78 77 76 76 77 77 77 77 77 76 75 76 77 77 76 76
RH                  77 82 82 88 72 64 58 64 75 80 82 85 70 62 56 64 75 80 82 85
Wind dir             S  S  W NW  N NE SE  S SE  N  N NW  N SE SE SE  S  S  W NW
Wind spd            10  5  4  5  6  6  9 12  9  6  5  6  5  5 10 12  8  5  5  5
Clouds              FW SC SC SC SC SC SC SC SC SC SC B1 B1 B1 SC SC FW FW SC SC
PoP 12hr                     10          30          30          40          20
QPF 12hr                      0           0        0.36        0.02           0
Rain shwrs                    C  S  S  S  C  C  C  C  C  C  C  C        S  S  C
Tstms                         C  S  S  S  C  C  C  C  C  C  C  C        S  S  C
Heat index          98         101105106103 98          99103105102 97
Max heat        104   102    95   106   107   101    95   104   106   100


Date           08/20  Thu 08/21/25  Fri 08/22/25  Sat 08/23/25  Sun 08/24/25
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          92      81    91      80    90      80    90      81    90
Temp          90 89   84 81 89 88   83 80 88 87   82 80 88 87   82 81 88 87
Dewpt         75 76   76 77 76 76   76 76 75 75   76 76 75 75   76 76 75 75
PWind dir        NE      SW    SE      SW    NE      SW     E       S    SE
Wind char        LT      GN    LT      GN    LT      GN    LT      GN    LT
Avg clouds    SC SC   FW SC B1 SC   SC B1 B1 B1   B1 B1 B1 SC   SC B1 B1 SC
PoP 12hr         30      30    40      50    60      40    50      30    40
Rain shwrs     C  S    S  C  C  C    C  C  L  C    S  C  C  C    S  C  C  C
Tstms          C  S    S  C  C  C    C  C  C  C    S  C  C  C    S  C  C  C

$$