745
FOUS54 KBRO 080917
PFMBRO
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE BROWNSVILLE TX
416 AM CDT TUE SEP 8 2026
TXZ255-082100-
BROWNSVILLE-CAMERON TX
25.91N 97.42W ELEV. 22 FT
416 AM CDT TUE SEP 8 2026
DATE TUE 09/08/26 WED 09/09/26 THU 09/10/26
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 80 96 80 98
TEMP 81 91 97 95 88 85 83 82 81 88 94 94 88 84 83 81 80 88 96 96 88
DEWPT 77 77 76 76 77 78 78 78 77 77 76 76 76 77 77 77 77 77 74 75 76
RH 88 64 51 54 70 80 85 88 88 70 56 56 68 80 82 88 91 70 49 51 68
WIND DIR SE S SE SE SE SE SE SE SE SE SE SE E SE SE S S S SE SE SE
WIND SPD 4 6 10 13 12 6 4 3 3 4 8 11 10 5 3 3 3 4 6 12 12
CLOUDS FW SC SC SC FW FW FW FW FW FW B1 SC SC FW FW FW FW FW SC FW FW
POP 12HR 20 10 30 0 20
QPF 12HR 0 0 0.02 0 0.02
RAIN SHWRS S C S S
TSTMS S C S S
HEAT INDEX 104110108101 96 93 90 100107107 99 94 91 101107107 99
MAX HEAT 91 110 109 98 92 107 108 96 90 107 109
HEAT Y Y
DATE FRI 09/11/26 SAT 09/12/26 SUN 09/13/26 MON 09/14/26
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 98 81 98 81 97 81 98
TEMP 83 81 97 91 84 82 96 91 84 82 95 91 84 82 95 91
DEWPT 77 77 74 76 77 77 75 77 78 77 75 77 78 77 75 77
PWIND DIR SE S SE SE SE SE SE SE
WIND CHAR GN GN GN BZ GN BZ GN GN
AVG CLOUDS FW FW FW FW FW FW FW FW FW SC FW SC FW FW SC SC
POP 12HR 0 5 0 5 5 20 0 20
RAIN SHWRS S S S
TSTMS S S S
TXZ255-082100-
HARLINGEN-CAMERON TX
26.23N 97.66W ELEV. 36 FT
416 AM CDT TUE SEP 8 2026
DATE TUE 09/08/26 WED 09/09/26 THU 09/10/26
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 101 76 100 76 102
TEMP 79 89 98 98 90 85 83 80 77 88 96 96 89 84 82 79 77 88 98 98 90
DEWPT 76 78 74 75 76 77 77 77 76 77 74 75 75 76 76 76 76 77 72 73 74
RH 91 70 47 48 64 77 82 91 97 70 49 51 64 77 82 91 97 70 43 45 60
WIND DIR SE S SE E SE SE SE SE SE SE E E E SE SE S SE S SE SE SE
WIND SPD 5 8 11 16 17 9 5 4 3 5 8 12 13 8 4 4 3 5 6 12 17
CLOUDS FW FW SC SC FW FW FW FW FW FW SC SC SC FW FW FW FW FW FW FW FW
POP 12HR 20 5 30 0 10
QPF 12HR 0.02 0 0 0 0
RAIN SHWRS S S S S
TSTMS S S S S
HEAT INDEX 103109110102 95 91 101106109100 93 100107109100
MAX HEAT 109 112 98 106 111 96 107 109
HEAT Y Y
DATE FRI 09/11/26 SAT 09/12/26 SUN 09/13/26 MON 09/14/26
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 76 102 77 102 78 101 77 101
TEMP 83 79 98 93 83 80 98 93 83 80 97 92 83 80 98 92
DEWPT 77 76 72 74 77 76 72 75 77 76 73 76 77 76 73 76
PWIND DIR SE S SE SE SE SE SE SE
WIND CHAR GN BZ BZ BZ GN BZ GN GN
AVG CLOUDS FW FW FW FW FW FW FW FW FW SC FW SC FW FW FW FW
POP 12HR 0 5 0 5 0 10 0 20
RAIN SHWRS S
TSTMS S
TXZ253-082100-
MCALLEN-HIDALGO TX
26.18N 98.24W ELEV. 107 FT
416 AM CDT TUE SEP 8 2026
DATE TUE 09/08/26 WED 09/09/26 THU 09/10/26
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 104 81 102 80 104
TEMP 82 89100101 94 87 84 82 81 88 98 99 93 86 83 81 80 88 99102 95
DEWPT 77 77 72 72 74 76 78 78 78 78 72 72 74 75 77 77 77 76 71 68 71
RH 85 68 41 40 53 70 82 88 91 72 43 42 54 70 82 88 91 68 41 34 46
WIND DIR SE SE SE SE SE SE SE SE SE SE SE E SE SE SE SE SE S S SE SE
WIND SPD 9 11 11 14 18 12 8 6 5 8 8 11 14 11 8 8 6 9 8 9 17
CLOUDS FW FW FW SC FW FW SC FW FW FW SC B1 FW FW FW FW FW CL CL FW FW
POP 12HR 20 5 30 0 5
QPF 12HR 0 0 0 0 0
RAIN SHWRS S C
TSTMS S C
HEAT INDEX 102110110104 97 94 91 101108108102 95 92 99107108102
MAX HEAT 92 110 113 100 93 108 111 98 91 107 109
HEAT Y Y
DATE FRI 09/11/26 SAT 09/12/26 SUN 09/13/26 MON 09/14/26
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 81 104 81 103 82 103 81 103
TEMP 84 81100 96 84 82 99 95 85 82 99 95 85 82 99 95
DEWPT 77 76 70 72 77 76 71 73 78 77 72 73 78 77 72 73
PWIND DIR SE SE SE SE SE SE SE SE
WIND CHAR GN BZ GN BZ GN BZ GN GN
AVG CLOUDS FW FW CL FW FW FW CL FW FW FW FW FW FW FW FW FW
POP 12HR 0 0 0 0 0 5 0 10
TXZ355-082100-
BAYVIEW/PORT ISABEL-CAMERON TX
26.16N 97.34W ELEV. 19 FT
416 AM CDT TUE SEP 8 2026
DATE TUE 09/08/26 WED 09/09/26 THU 09/10/26
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 79 95 78 96
TEMP 79 90 94 93 88 85 83 80 79 88 92 92 87 84 82 80 79 89 94 93 88
DEWPT 77 79 79 79 79 79 78 78 77 78 78 78 78 78 77 77 76 78 78 78 78
RH 94 70 62 64 75 82 85 94 94 72 64 64 75 82 85 91 91 70 60 62 72
WIND DIR SE SE E E SE SE SE SE SE SE E E E SE SE S S S SE SE SE
WIND SPD 4 6 12 14 12 8 4 3 3 4 10 12 10 5 4 3 3 4 10 13 13
CLOUDS FW FW FW FW FW FW FW FW FW FW SC SC SC FW FW FW FW FW FW FW FW
POP 12HR 10 10 20 0 20
QPF 12HR 0 0 0 0 0
RAIN SHWRS S S S
TSTMS S S S
HEAT INDEX 105111110102 97 92 102108108100 95 90 103110109101
MAX HEAT 111 113 99 91 108 110 97 110 111
DATE FRI 09/11/26 SAT 09/12/26 SUN 09/13/26 MON 09/14/26
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 79 97 79 97 79 96 79 96
TEMP 83 79 96 90 83 80 94 90 83 80 94 90 83 80 93 90
DEWPT 78 77 77 78 78 77 78 78 78 77 78 79 79 77 78 79
PWIND DIR SE S SE SE SE SE SE SE
WIND CHAR GN GN GN BZ GN BZ GN GN
AVG CLOUDS FW FW FW FW FW FW FW FW FW SC FW SC FW SC SC SC
POP 12HR 0 5 0 5 0 10 0 20
RAIN SHWRS S S
TSTMS S S
TXZ249-082100-
HEBBRONVILLE-JIM HOGG TX
27.35N 98.74W ELEV. 663 FT
416 AM CDT TUE SEP 8 2026
DATE TUE 09/08/26 WED 09/09/26 THU 09/10/26
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 101 75 100 75 101
TEMP 77 85 96101 94 85 81 78 76 85 95 99 92 85 81 77 76 85 96100 94
DEWPT 77 78 70 66 75 77 79 78 76 78 70 67 74 76 78 77 76 77 70 65 70
RH 100 80 43 32 54 77 94100100 80 45 36 56 75 91100100 77 43 32 46
WIND DIR SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE S SE SE SE
WIND SPD 5 9 9 10 13 11 8 5 4 6 6 8 11 10 5 4 3 5 4 5 10
CLOUDS FW FW FW FW SC SC SC SC FW FW FW SC B1 FW FW FW FW FW CL FW FW
POP 12HR 5 5 5 0 5
QPF 12HR 0 0 0 0 0
HEAT INDEX 97103105106 96 91 96102103102 94 95102104101
MAX HEAT 103 106 101 102 104 99 102 104
DATE FRI 09/11/26 SAT 09/12/26 SUN 09/13/26 MON 09/14/26
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 76 102 76 102 76 101 76 101
TEMP 82 77 97 96 82 77 97 96 82 78 96 95 81 77 96 95
DEWPT 77 76 68 70 77 76 69 72 78 77 70 73 79 77 71 74
PWIND DIR SE SE SE SE SE SE SE SE
WIND CHAR GN GN BZ BZ BZ BZ BZ BZ
AVG CLOUDS FW FW FW FW FW FW FW FW FW FW FW FW FW FW SC FW
POP 12HR 0 5 0 0 0 5 5 5
TXZ250-082100-
FALFURRIAS-BROOKS TX
27.21N 98.12W ELEV. 113 FT
416 AM CDT TUE SEP 8 2026
DATE TUE 09/08/26 WED 09/09/26 THU 09/10/26
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 102 76 100 75 102
TEMP 77 88 99100 92 85 81 78 77 88 98 98 91 84 81 77 76 87 98100 92
DEWPT 77 78 71 74 76 79 78 77 76 78 71 74 76 78 78 77 76 78 70 70 76
RH 100 72 41 44 60 82 91 97 97 72 42 47 62 82 91100100 75 41 38 60
WIND DIR SE SE SE E SE SE SE SE SE SE SE E SE SE SE SE N S S SE SE
WIND SPD 3 6 8 13 13 8 4 3 1 4 5 11 11 6 3 3 0 4 3 5 12
CLOUDS CL FW FW B1 FW FW FW FW FW SC FW B1 SC FW FW FW FW FW CL SC FW
POP 12HR 10 5 20 0 5
QPF 12HR 0 0 0 0 0
HEAT INDEX 103107112104 97 90 101105110103 94 99105108104
MAX HEAT 107 112 101 105 110 99 105 108
DATE FRI 09/11/26 SAT 09/12/26 SUN 09/13/26 MON 09/14/26
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 76 103 77 103 78 102 77 102
TEMP 82 77100 95 82 78100 95 82 78 99 94 82 78 99 93
DEWPT 77 76 69 74 77 75 70 75 77 76 71 76 78 76 71 76
PWIND DIR SE SE SE SE SE SE SE SE
WIND CHAR GN GN GN GN GN GN GN GN
AVG CLOUDS FW FW FW FW FW FW FW FW FW SC FW FW FW FW FW SC
POP 12HR 0 5 0 5 0 5 0 10
TXZ253-082100-
EDINBURG-HIDALGO TX
26.44N 98.13W ELEV. 75 FT
416 AM CDT TUE SEP 8 2026
DATE TUE 09/08/26 WED 09/09/26 THU 09/10/26
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 102 77 101 77 103
TEMP 78 89 98 99 91 85 82 79 77 88 97 98 91 84 81 79 77 87 97101 93
DEWPT 76 76 71 71 74 75 77 76 76 76 71 70 73 75 76 76 75 75 70 67 72
RH 94 66 42 41 58 72 85 91 97 68 43 41 56 74 85 91 94 68 42 33 51
WIND DIR SE SE SE SE E SE SE SE N SE SE E E SE SE SE N S S SE SE
WIND SPD 5 9 11 16 16 10 4 3 0 5 8 11 12 8 4 3 0 6 6 9 14
CLOUDS FW FW FW B1 SC FW CL FW FW FW SC B1 SC FW FW FW FW FW CL FW FW
POP 12HR 20 5 30 0 5
QPF 12HR 0 0 0.06 0 0
RAIN SHWRS S C
TSTMS S C
HEAT INDEX 99107108101 93 90 98105105 99 92 97104106100
MAX HEAT 107 110 98 105 107 97 104 106
HEAT Y Y
DATE FRI 09/11/26 SAT 09/12/26 SUN 09/13/26 MON 09/14/26
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 78 103 78 103 79 102 78 102
TEMP 82 78 99 95 83 79 99 95 83 80 98 94 83 79 98 94
DEWPT 76 75 69 71 76 75 70 72 77 76 71 72 77 76 71 72
PWIND DIR SE SE SE SE SE SE SE SE
WIND CHAR GN GN GN BZ GN BZ GN GN
AVG CLOUDS FW FW CL FW FW FW FW FW FW FW FW FW FW FW FW FW
POP 12HR 0 0 0 0 0 5 0 10
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page