Point Forecast Matrices
Issued by NWS New Orleans/Baton Rouge, LA

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Point Forecast Matrices
National Weather Service New Orleans LA
538 AM CDT Mon Aug 17 2026

MSZ070-172100-
McComb-Pike MS
31.18N  90.47W Elev. 424 ft
538 AM CDT Mon Aug 17 2026

Date             Mon 08/17/26            Tue 08/18/26            Wed 08/19/26
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          76          98          76          97
Temp             76 87 95 97 91 82 79 77 76 87 95 98 92 82 80 78 76 88 94 97 90
Dewpt            74 75 72 70 72 74 73 73 71 73 71 69 72 73 73 73 72 74 72 70 72
RH               94 68 48 42 54 77 82 87 85 63 46 39 52 74 79 85 87 63 49 42 56
Wind dir          W  W  W SW SW SW SW  W  W  W  W  W SW SW SW  W  W  W  W SW SW
Wind spd          4  5  4  5  4  4  4  5  5  6  6  5  3  3  4  4  4  5  5  5  2
Clouds           FW FW FW FW SC SC FW SC SC SC FW SC FW SC SC SC SC FW SC SC B1
PoP 12hr                     10           5          20           5          30
QPF 12hr                      0           0           0           0        0.04
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                         S                    C  C
Tstms                                              S                    C  C
Heat index          96104104 99 88          94103104100 87 84       97102104 97
Max heat              104   105    93         103   104    93         102   104
Extreme Heat            W  W  W


Date          Thu 08/20/26  Fri 08/21/26  Sat 08/22/26  Sun 08/23/26
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          74    97      73    96      72    94      71    95
Temp          78 75 94 89   77 74 93 88   76 73 92 87   75 72 93 89
Dewpt         73 72 71 71   71 71 71 72   72 71 72 71   71 70 69 68
PWind dir        SW     W      SW     W      SW     W       W    NW
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 SC FW FW   SC FW FW SC   SC FW FW SC   SC FW FW FW
PoP 12hr          5    20      30    30      10    40      10    20
Rain shwrs              S    C        C          S  C             S
Tstms                   S    S        C          S  C             S

$$
LAZ048-172100-
Baton Rouge-East Baton Rouge LA
30.53N  91.15W Elev. 64 ft
538 AM CDT Mon Aug 17 2026

Date             Mon 08/17/26            Tue 08/18/26            Wed 08/19/26
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          78          99          79          98
Temp             78 88 95 98 92 84 81 79 78 88 94 97 94 85 82 80 79 88 95 97 92
Dewpt            75 75 74 73 73 75 75 74 75 75 73 72 73 75 75 75 75 76 73 72 73
RH               91 66 51 45 54 74 82 85 91 66 51 45 51 72 79 85 88 68 49 45 54
Wind dir          W  W  W  W SW SW SW  W  W  W  W SW SW SW SW  W  W  W  W SW SW
Wind spd          4  5  4  5  6  8  8  6  5  6  6  6  8  9  8  6  5  8  6  6  8
Clouds           FW FW SC SC SC SC FW FW FW SC FW SC SC SC SC SC SC SC SC SC B1
PoP 12hr                     20           5           5           5          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                 S
Tstms                      S
Heat index          98106109101 92 87       98103106103 94 89 85    99105106101
Max heat              106   109    97    86   103   107   101    87   105   106
Extreme Heat            W  W  W


Date          Thu 08/20/26  Fri 08/21/26  Sat 08/22/26  Sun 08/23/26
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          77    98      76    97      76    95      75    96
Temp          81 77 95 92   80 77 94 91   80 76 92 89   79 76 93 91
Dewpt         75 74 72 71   74 74 72 72   74 74 73 72   74 73 71 70
PWind dir        SW     W      SW     W      SW     W      SW    NW
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC FW SC   SC FW FW FW   SC FW FW SC   SC FW FW FW
PoP 12hr         10    10      20    30      10    40      20    20
Rain shwrs                   S        C          S  C    S        S
Tstms                        S        C          S  C    S        S

$$
LAZ076-172100-
Slidell-Southeast St Tammany LA
30.25N  89.77W Elev. 29 ft
538 AM CDT Mon Aug 17 2026

Date             Mon 08/17/26            Tue 08/18/26            Wed 08/19/26
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                      96          77          96          78          95
Temp             78 89 96 95 92 85 83 80 78 89 95 96 93 86 83 80 78 89 95 95 92
Dewpt            75 76 75 74 75 77 76 75 74 75 74 73 75 77 76 75 74 76 74 72 75
RH               91 66 51 51 58 77 80 85 88 64 51 48 56 75 80 85 88 66 51 48 58
Wind dir          W NW  W NW SW SW  W  W  W  W  W SW SW SW  W  W  W  W  W SW  N
Wind spd          3  5  4  4  3  4  5  5  5  6  5  6  3  4  5  5  5  6  5  5  0
Clouds           FW FW FW SC SC SC FW SC SC SC B1 SC SC SC SC SC SC SC SC SC SC
PoP 12hr                     30           5          10          10          20
QPF 12hr                   0.16           0           0           0        0.02
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                 C                                            S  S
Tstms                      C                                            S  S
Heat index         100109106103 96 91 85    99106106105 97 91 85   100106104103
Max heat              109   107   100    89   106   107   102    89   106   105
Extreme Heat            W  W  W


Date          Thu 08/20/26  Fri 08/21/26  Sat 08/22/26  Sun 08/23/26
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          76    95      75    96      75    94      73    95
Temp          81 77 95 91   80 76 95 90   80 75 93 88   78 75 94 90
Dewpt         76 74 73 74   75 73 73 74   75 73 73 74   75 72 72 73
PWind dir         W     W       W     W       N     W      SW     W
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC FW SC   SC FW FW SC   SC FW FW SC   SC SC FW SC
PoP 12hr          5    20      20    30      10    50      20    20
Rain shwrs              S    S        C          S  C    S        S
Tstms                   S    S        C          S  C    S        S

$$
LAZ077-172100-
New Orleans-Western Orleans LA
30.00N  90.25W Elev. 11 ft
538 AM CDT Mon Aug 17 2026

Date             Mon 08/17/26            Tue 08/18/26            Wed 08/19/26
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                      97          79          97          79          96
Temp             79 89 96 97 92 85 83 81 80 89 96 97 94 86 83 81 80 89 95 96 92
Dewpt            76 76 75 74 75 77 77 77 77 76 75 74 75 77 77 77 77 76 75 74 75
RH               91 66 51 48 58 77 82 88 91 66 51 48 54 75 82 88 91 66 53 49 58
Wind dir          W NW NW  S SW SW SW  W  W  W  W  W SW SW  W  W  W  W  W  W SW
Wind spd          5  6  4  4  8  8  8  8  6  8  6  6  8  9  8  8  8  9  6  5  8
Clouds           FW FW FW SC SC FW FW FW FW B1 B1 B1 SC SC SC SC SC SC SC SC SC
PoP 12hr                     30          10           5           5          20
QPF 12hr                   0.07           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                 C                                            S  S
Tstms                      C                                            S  S
Heat index         100109109103 96 92 88 87100109109106 97 92 88 87100107107103
Max heat         87   109   109   100    90   109   109   102    90   107   109
Extreme Heat            W  W  W


Date          Thu 08/20/26  Fri 08/21/26  Sat 08/22/26  Sun 08/23/26
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    95      78    94      77    94
Temp          82 79 94 93   82 78 94 91   82 78 92 89   81 78 92 91
Dewpt         76 76 74 73   76 76 74 73   76 76 74 74   76 75 73 72
PWind dir         W     W       W     W       W     W      SW    NW
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC FW SC   SC FW FW SC   SC FW FW SC   SC SC FW FW
PoP 12hr          5    10      20    20      10    40      20    20
Rain shwrs                   S        S          S  C    S     S  S
Tstms                        S        S          S  C    S     S  S

$$
LAZ078-172100-
East New Orleans-Eastern Orleans LA
30.07N  89.93W Elev. 11 ft
538 AM CDT Mon Aug 17 2026

Date             Mon 08/17/26            Tue 08/18/26            Wed 08/19/26
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          82          96          82          95
Temp             81 88 92 94 91 86 84 83 83 87 91 94 92 87 84 83 82 88 92 94 91
Dewpt            78 80 80 78 79 79 78 78 78 79 79 78 78 79 78 78 78 79 79 78 78
RH               91 77 68 60 68 80 82 85 85 77 68 60 64 77 82 85 88 75 66 60 66
Wind dir          W  W  W NW SW SW  W  W  W  W  W  W SW  W  W  W  W  W  W  W SW
Wind spd          5  6  5  3  5  6  6  8  8  8  6  4  5  6  8  8  8  8  6  4  4
Clouds           SC SC FW FW SC FW FW SC SC B1 B1 SC SC SC B1 SC SC SC SC SC SC
PoP 12hr                     30           5           5           5          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                 C
Tstms                      C
Heat index       89105111110108100 95 93 93101108110107101 95 93 91103109110106
Max heat         91   111   110   105    95   108   112   108    93   109   110
Extreme Heat            W  W  W


Date          Thu 08/20/26  Fri 08/21/26  Sat 08/22/26  Sun 08/23/26
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          81    95      81    94      80    93      79    93
Temp          84 81 91 91   83 81 91 90   83 81 90 89   82 80 90 89
Dewpt         77 77 78 77   77 77 78 77   77 77 78 77   77 77 77 76
PWind dir         W     W       W     W       W     W       W     W
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC FW FW   SC SC SC SC   SC SC SC SC   SC SC SC FW
PoP 12hr          5    10      20    10      10    40      20    20
Rain shwrs                   S                   S  C    S        S
Tstms                        S                   S  C    S        S

$$
MSZ087-172100-
Gulfport-Southern Harrison MS
30.42N  89.08W Elev. 29 ft
538 AM CDT Mon Aug 17 2026

Date             Mon 08/17/26            Tue 08/18/26            Wed 08/19/26
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                      97          80          98          80          98
Temp             79 90 95 95 91 85 84 82 80 89 96 96 91 86 84 82 80 91 97 96 90
Dewpt            77 78 77 78 77 78 78 77 76 77 76 76 77 77 77 77 76 77 76 76 77
RH               94 68 56 58 64 80 82 85 88 68 53 53 64 75 80 85 88 64 51 53 66
Wind dir          W NW SW SW SW SW  W  W  W  W  W SW SW SW  W  W  W  W  W SW SW
Wind spd          4  5  6  9  6  6  5  6  5  6  6 10  8  5  4  5  5  6  6  9  5
Clouds           FW SC SC B1 SC FW FW B1 SC SC SC SC SC SC SC SC SC SC SC SC B1
PoP 12hr                     40          10          20          10          30
QPF 12hr                   0.11           0        0.02           0        0.03
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              S  C                       S                    C  C  S
Tstms                   S  C                       S                    C  C  S
Heat index         105110112105 97 95 90 86102110110105 97 94 90 86105111110103
Max heat         88   110   112   100    92   110   113   102    92   111   113
Extreme Heat            W  W  W


Date          Thu 08/20/26  Fri 08/21/26  Sat 08/22/26  Sun 08/23/26
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    97      77    96      77    95      76    95
Temp          82 78 95 91   81 77 94 90   81 77 93 88   79 77 93 90
Dewpt         77 75 75 76   77 75 75 76   77 75 75 76   76 74 74 75
PWind dir         W     W       W     W       W    SW       W    SW
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC FW SC   SC FW FW SC   SC FW FW SC   SC SC SC FW
PoP 12hr         20    20      10    40      20    50      20    20
Rain shwrs     S        S             C       S  S  C    S        S
Tstms          S        S             C       S  S  C    S        S

$$
MSZ088-172100-
Pascagoula-Southern Jackson MS
30.47N  88.53W Elev. 12 ft
538 AM CDT Mon Aug 17 2026

Date             Mon 08/17/26            Tue 08/18/26            Wed 08/19/26
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          78          95          77          96
Temp             78 89 94 94 89 84 82 80 79 88 94 93 90 84 82 79 78 90 95 94 88
Dewpt            77 78 77 77 78 77 77 77 75 77 76 77 77 77 76 75 75 76 76 77 77
RH               97 70 58 58 70 80 85 91 88 70 56 60 66 80 82 88 91 64 54 58 70
Wind dir          W NW SW SW SW SW  W  W  W NW  W SW SW  W  W  W NW NW  W SW SW
Wind spd          3  4  4  8  6  4  4  5  5  5  6  9  6  4  3  4  4  5  5  8  4
Clouds           SC FW SC SC SC SC SC SC SC B1 SC SC B1 SC SC SC SC SC SC B1 B1
PoP 12hr                     30          10          20          20          40
QPF 12hr                   0.05           0        0.01        0.03        0.15
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                 C                       S  S  S              C  C  S
Tstms                      C                       S  S  S              C  C  S
Heat index         103109109103 94 90 87   100107107103 94 89      102109109100
Max heat              109   110    97    90   107   110    97    87   109   110
Extreme Heat            W  W  W


Date          Thu 08/20/26  Fri 08/21/26  Sat 08/22/26  Sun 08/23/26
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    95      74    94      74    93      73    93
Temp          80 76 95 90   80 76 93 88   79 75 91 87   77 75 91 87
Dewpt         76 75 75 76   76 74 74 76   76 75 74 76   75 74 73 75
PWind dir         W     W       W     W       W     W       W    SW
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC FW FW SC   SC FW FW SC   SC FW SC SC   SC SC SC SC
PoP 12hr         20    20      10    30      20    50      20    20
Rain shwrs     S        S             C    S  S  S  C    S  S     S
Tstms          S        S             C    S  S  S  C    S  S     S

$$