Point Forecast Matrices
Issued by NWS Houston/Galveston, TX

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Point Forecast Matrices
National Weather Service Houston/Galveston TX
122 PM CDT Fri Sep 18 2026

TXZ196-182100-
College Station-Brazos TX
30.57N  96.37W Elev. 321 ft
122 PM CDT Fri Sep 18 2026

Date             Fri 09/18/26            Sat 09/19/26            Sun 09/20/26
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                      98          72          98          73          97
Temp                      98 90 80 76 73 72 83 93 98 90 81 77 75 73 84 93 97 90
Dewpt                     68 67 66 68 69 69 73 70 68 68 71 71 72 71 75 72 70 70
RH                        38 47 62 76 87 90 72 47 38 49 72 82 90 93 74 51 42 52
Wind dir                   E SE SE  S  S  N  S SE SE SE SE  S  S SE  S  S  S  S
Wind spd                   6  8  6  4  1  0  2  4  6  6  6  4  3  1  3  4  5  5
Clouds                    FW FW CL CL CL FW CL CL FW FW CL CL FW SC FW FW SC SC
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Heat index               104                   99104                  101104 96
Max heat              102   104               101   106               102   105


Date          Mon 09/21/26  Tue 09/22/26  Wed 09/23/26  Thu 09/24/26
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          75    97      75    97      75    97      74    95
Temp          79 75 94 92   80 76 95 91   80 76 94 91   80 75 93 91
Dewpt         73 73 75 72   73 72 74 72   70 68 72 70   68 65 69 66
PWind dir         S     S       S    NE       E    NE       E    NE
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC SC SC   SC FW SC FW   SC FW SC FW   SC SC SC FW
PoP 12hr          5    10       5    10      10     5       5     0

$$
TXZ213-182100-
Bush Intercontinental Airport-Inland Harris TX
29.96N  95.35W Elev. 97 ft
122 PM CDT Fri Sep 18 2026

Date             Fri 09/18/26            Sat 09/19/26            Sun 09/20/26
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                      95          75          95          76          96
Temp                      95 88 81 78 76 75 84 92 95 89 82 80 77 76 85 92 96 90
Dewpt                     66 67 70 71 72 71 72 71 70 72 73 73 73 73 75 73 72 73
RH                        39 50 69 79 87 87 67 51 45 57 74 79 87 90 72 54 46 58
Wind dir                   E SE SE SE NE NE  E  E SE SE SE  S SE  E SE SE SE SE
Wind spd                   9  6  3  2  0  2  2  5  8  8  4  2  1  1  2  4  8  9
Clouds                    CL CL CL CL FW FW CL FW FW CL FW FW FW FW FW SC SC FW
PoP 12hr                      0           0           0           0          20
QPF 12hr                      0           0           0           0           0
Rain shwrs                                                              S  S
Tstms                                                                   S  S
Heat index                98                   99102 96               101104 98
Max heat               98    99                99   103               102   105


Date          Mon 09/21/26  Tue 09/22/26  Wed 09/23/26  Thu 09/24/26
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          78    96      78    97      79    96      77    94
Temp          81 78 93 90   82 78 94 92   83 79 93 91   82 77 91 89
Dewpt         75 75 74 73   74 74 73 72   73 72 72 71   71 68 69 67
PWind dir         S    SE       S    NE      NE    NE       E    NE
Wind char        LT    LT      LT    LT      LT    LT      LT    GN
Avg clouds    SC SC SC SC   FW FW FW FW   FW FW FW FW   SC SC FW FW
PoP 12hr          0    10       0    10       5     5       5     5

$$
TXZ438-182100-
Galveston-Galveston Island TX
29.27N  94.87W Elev. 6 ft
122 PM CDT Fri Sep 18 2026

Date             Fri 09/18/26            Sat 09/19/26            Sun 09/20/26
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          83          90          83          90
Temp                      90 88 85 84 83 83 86 89 90 88 85 84 83 83 86 89 90 89
Dewpt                     73 74 73 73 73 73 74 74 74 74 74 75 76 75 75 76 76 76
RH                        58 63 67 70 72 72 68 61 60 63 70 74 80 77 70 66 64 66
Wind dir                   E  E  E SE SE  E NE  E  E SE SE SE  S  E SE SE SE SE
Wind spd                  13 12 10  9  6  5  9 11 11 10 10  8  5  4  4  6  9 10
Clouds                    FW FW CL CL FW SC FW SC FW FW CL FW FW FW FW FW FW FW
PoP 12hr                      0           5          10          20          10
QPF 12hr                      0           0           0        0.11           0
Rain shwrs                                                     S
Heat index                99 96                98100 97             96100102100
Max heat               98   100                99   101    95         102   103


Date          Mon 09/21/26  Tue 09/22/26  Wed 09/23/26  Thu 09/24/26
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          84    91      83    91      83    91      83    90
Temp          85 84 89 87   85 83 89 89   86 84 89 89   86 83 88 88
Dewpt         77 76 76 76   77 77 77 76   77 76 77 76   76 75 74 73
PWind dir        SE    SE       S    NE      SE     E       E    NE
Wind char        GN    LT      LT    LT      LT    GN      GN    GN
Avg clouds    FW SC SC FW   FW FW FW FW   FW FW FW FW   FW SC SC FW
PoP 12hr          5    10       5    20      10    10      20    20
Rain shwrs                         S                        S  S  S
Tstms                              S                        S  S  S

$$