514
FOUS54 KBRO 180626
PFMBRO
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE BROWNSVILLE TX
126 AM CDT TUE AUG 18 2026
TXZ255-190900-
BROWNSVILLE-CAMERON TX
25.91N 97.42W ELEV. 22 FT
126 AM CDT TUE AUG 18 2026
DATE 08/17/26 TUE 08/18/26 WED 08/19/26 THU
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 97 80 97 82
TEMP 81 80 88 96 97 91 84 83 81 80 88 95 96 91 85 84 83 82
DEWPT 77 76 75 71 71 74 76 76 76 76 75 73 74 76 77 78 78 78
RH 88 88 66 45 43 58 77 80 85 88 66 49 49 62 77 82 85 88
WIND DIR S S S SE SE SE SE SE SE SE SE SE SE SE SE S S SE
WIND SPD 4 3 6 11 13 12 8 6 5 4 9 12 14 13 11 9 8 8
CLOUDS FW FW FW FW FW CL SC SC SC SC SC SC SC FW FW FW SC SC
POP 12HR 0 0 0 0 0
QPF 12HR 0 0 0 0 0
RAIN SHWRS
TSTMS
HEAT INDEX 98103104100 93 90 98105107102 96 95 93 91
MAX HEAT 92 91 103 104 94 105 107 97 94
DATE 08/20 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26 MON 08/24/26
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 98 81 98 80 98 80 98 80 98
TEMP 96 91 84 82 97 92 83 80 97 92 82 80 96 92 83 81 96 91
DEWPT 74 76 78 78 73 75 77 77 71 73 76 76 70 74 76 76 71 74
PWIND DIR SE SE SE S S S SE SE SE
WIND CHAR GN GN GN GN GN GN GN GN GN
AVG CLOUDS SC FW FW SC SC SC FW SC SC FW FW FW FW FW FW FW FW FW
POP 12HR 0 0 0 0 0 0 0 0 0
TXZ255-190900-
HARLINGEN-CAMERON TX
26.23N 97.66W ELEV. 36 FT
126 AM CDT TUE AUG 18 2026
DATE 08/17/26 TUE 08/18/26 WED 08/19/26 THU
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 76 101 76 101 79
TEMP 79 77 88 98100 94 84 81 79 77 88 98100 94 85 83 81 79
DEWPT 76 75 75 69 67 70 75 76 76 75 75 71 70 73 76 77 77 77
RH 91 94 66 39 34 46 74 85 91 94 66 42 38 51 75 82 88 94
WIND DIR S SE S S SE SE SE SE SE SE S SE SE SE SE S S SE
WIND SPD 5 4 9 10 16 17 11 8 6 5 10 12 16 17 13 10 9 9
CLOUDS FW CL FW CL FW CL SC B1 SC SC SC FW SC FW FW FW SC SC
POP 12HR 0 0 0 0 0
QPF 12HR 0 0 0 0 0
RAIN SHWRS
TSTMS
HEAT INDEX 97104106101 91 98106108104 95 92
MAX HEAT 90 104 106 95 106 108 98 91
DATE 08/20 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26 MON 08/24/26
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 102 78 102 77 102 76 102 76 101
TEMP 99 95 83 79 99 95 82 78 99 95 82 78 99 94 82 78 98 93
DEWPT 72 73 77 77 71 72 76 76 68 70 75 75 68 71 75 75 69 72
PWIND DIR SE SE SE S SE SE SE SE SE
WIND CHAR GN GN GN GN GN GN GN GN GN
AVG CLOUDS SC FW FW SC SC SC FW FW FW FW FW FW FW FW FW FW FW FW
POP 12HR 0 0 0 0 0 0 0 0 0
TXZ253-190900-
MCALLEN-HIDALGO TX
26.18N 98.24W ELEV. 107 FT
126 AM CDT TUE AUG 18 2026
DATE 08/17/26 TUE 08/18/26 WED 08/19/26 THU
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 79 103 79 103 81
TEMP 81 80 87 97101 97 85 82 80 80 87 99101 95 86 84 83 82
DEWPT 76 76 74 67 63 64 73 76 76 76 76 71 69 70 75 77 77 77
RH 85 88 65 38 29 34 67 82 88 88 70 41 36 45 70 80 82 85
WIND DIR SE SE S SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE
WIND SPD 8 8 11 11 13 18 14 11 10 9 12 13 16 18 16 13 12 11
WIND GUST 21
CLOUDS FW FW FW CL FW CL FW FW B1 SC SC SC FW SC FW FW FW FW
POP 12HR 0 0 0 0 0
QPF 12HR 0 0 0 0 0
RAIN SHWRS
TSTMS
HEAT INDEX 95102104100 92 97107108102 95 93 91 90
MAX HEAT 91 90 102 104 98 107 109 99 92
DATE 08/20 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26 MON 08/24/26
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 103 81 104 79 104 79 103 79 103
TEMP 100 97 84 82100 97 83 80100 98 83 79 99 97 83 80 99 95
DEWPT 71 70 77 78 71 67 76 76 68 65 75 76 66 66 76 76 69 69
PWIND DIR SE SE SE SE SE SE SE SE SE
WIND CHAR BZ BZ GN GN GN GN GN GN GN
AVG CLOUDS FW FW FW SC FW FW FW FW FW FW FW FW FW FW FW FW FW FW
POP 12HR 0 0 0 0 0 0 0 0 0
TXZ355-190900-
BAYVIEW/PORT ISABEL-CAMERON TX
26.16N 97.34W ELEV. 19 FT
126 AM CDT TUE AUG 18 2026
DATE 08/17/26 TUE 08/18/26 WED 08/19/26 THU
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 96 79 97 80
TEMP 80 79 88 94 94 88 83 82 80 79 88 95 95 89 85 83 82 80
DEWPT 77 76 76 75 75 76 77 77 76 76 76 76 76 77 78 78 78 78
RH 91 91 68 54 54 68 82 85 88 91 68 54 54 68 80 85 88 94
WIND DIR S S S SE SE SE SE SE SE S SE SE SE SE SE S S S
WIND SPD 4 3 6 12 14 13 8 6 5 4 9 13 16 13 10 8 6 6
CLOUDS CL FW FW FW FW CL SC SC SC B1 SC FW SC SC FW FW SC SC
POP 12HR 0 0 0 0 0
QPF 12HR 0 0 0 0 0
RAIN SHWRS
TSTMS
HEAT INDEX 99106106 99 92 100107109102 96 93 90
MAX HEAT 91 90 106 107 96 107 110 98 92
DATE 08/20 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26 MON 08/24/26
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 98 80 98 79 98 78 97 79 97
TEMP 97 89 83 80 96 91 82 79 95 91 82 79 95 91 82 79 94 90
DEWPT 77 78 78 78 76 77 77 77 74 75 76 76 74 75 76 76 75 76
PWIND DIR SE SE SE S SE S SE SE SE
WIND CHAR GN GN GN GN GN GN GN GN GN
AVG CLOUDS SC FW FW SC SC SC SC FW FW FW FW FW SC FW FW FW FW FW
POP 12HR 0 0 0 0 0 0 0 0 0
TXZ249-190900-
HEBBRONVILLE-JIM HOGG TX
27.35N 98.74W ELEV. 663 FT
126 AM CDT TUE AUG 18 2026
DATE 08/17/26 TUE 08/18/26 WED 08/19/26 THU
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 75 101 75 102 77
TEMP 77 75 86 96101 99 87 81 76 75 85 96101100 88 82 78 77
DEWPT 76 75 74 65 59 59 69 74 75 75 75 65 60 62 72 76 77 77
RH 97100 68 36 25 27 55 79 97100 72 36 26 29 59 82 97100
WIND DIR SE SE S SE SE SE SE SE S S S S SE SE SE SE SE SE
WIND SPD 5 4 8 9 10 10 11 10 8 8 10 11 11 12 11 10 9 9
WIND GUST 23 20 18 23 21 19
CLOUDS CL FW FW FW FW FW FW FW SC SC SC SC B1 SC FW FW SC SC
POP 12HR 0 0 0 0 0
QPF 12HR 0 0 0 0 0
RAIN SHWRS
TSTMS
HEAT INDEX 94 99101 99 91 93 99102101 95
MAX HEAT 99 101 96 99 103 99
DATE 08/20 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26 MON 08/24/26
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 103 77 103 76 102 75 102 75 101
TEMP 98100 82 77 98 99 82 76 98100 82 76 98 99 81 76 97 97
DEWPT 68 65 76 77 67 64 74 75 63 60 73 74 62 61 74 75 65 66
PWIND DIR SE SE SE SE SE SE SE SE SE
WIND CHAR GN GN GN GN LT GN GN GN GN
AVG CLOUDS FW FW FW FW FW FW FW FW FW FW FW FW FW CL FW FW FW CL
POP 12HR 0 0 0 0 0 0 0 0 0
TXZ250-190900-
FALFURRIAS-BROOKS TX
27.21N 98.12W ELEV. 113 FT
126 AM CDT TUE AUG 18 2026
DATE 08/17/26 TUE 08/18/26 WED 08/19/26 THU
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 76 103 75 104 77
TEMP 77 76 88 98102 97 85 80 76 75 87 99104 98 86 82 79 78
DEWPT 76 76 76 66 63 70 75 75 75 75 76 67 64 72 76 77 77 77
RH 97100 68 35 28 42 72 85 97100 70 36 28 43 72 85 94 97
WIND DIR SE SE S S SE SE SE S S S S S SE SE SE SE SE SE
WIND SPD 3 3 8 9 9 13 11 8 6 5 10 10 11 13 11 8 6 6
WIND GUST 23 18 21 18
CLOUDS CL FW FW FW FW FW FW FW SC SC SC SC B1 SC FW SC SC SC
POP 12HR 0 0 0 0 0
QPF 12HR 0 0 0 0 0
RAIN SHWRS
TSTMS
HEAT INDEX 98102105104 93 97104107107 96 90
MAX HEAT 102 107 99 104 109 102
DATE 08/20 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26 MON 08/24/26
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 105 77 105 75 104 74 103 75 103
TEMP 100 98 82 78100 98 82 76100 97 81 75 99 96 80 76 99 95
DEWPT 69 73 77 77 68 72 76 76 65 70 75 75 64 71 76 75 66 73
PWIND DIR SE SE SE SE SE SE SE SE SE
WIND CHAR GN GN GN LT LT LT LT GN GN
AVG CLOUDS FW FW FW FW FW FW FW FW FW FW FW FW FW CL CL FW FW FW
POP 12HR 0 0 0 0 0 0 0 0 0
TXZ253-190900-
EDINBURG-HIDALGO TX
26.44N 98.13W ELEV. 75 FT
126 AM CDT TUE AUG 18 2026
DATE 08/17/26 TUE 08/18/26 WED 08/19/26 THU
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 77 103 77 103 79
TEMP 79 77 87 97101 98 85 81 78 77 87 98102 97 86 83 81 80
DEWPT 76 75 72 65 61 63 72 75 75 75 74 69 66 69 74 76 76 76
RH 91 94 61 35 27 32 65 82 91 94 65 39 31 40 68 80 85 88
WIND DIR SE SE S SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE
WIND SPD 4 4 10 11 12 16 12 9 8 5 11 12 14 16 13 10 9 9
WIND GUST 23 19 24 20 19 19
CLOUDS FW FW FW CL FW CL FW FW B1 B2 SC FW SC SC FW FW SC FW
POP 12HR 0 0 0 0 0
QPF 12HR 0 0 0 0 0
RAIN SHWRS
TSTMS
HEAT INDEX 94100103 99 91 95104106103 94 90
MAX HEAT 100 103 97 104 106 98
DATE 08/20 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26 MON 08/24/26
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 103 79 104 78 103 77 103 78 103
TEMP 99 97 83 79 99 97 82 78 99 98 81 78 99 97 81 78 99 95
DEWPT 69 68 76 76 68 66 75 75 65 64 74 74 64 65 74 74 66 68
PWIND DIR SE SE SE SE SE SE SE SE SE
WIND CHAR GN GN GN GN LT GN GN GN GN
AVG CLOUDS FW FW FW SC FW FW FW FW SC FW FW FW FW FW FW FW FW FW
POP 12HR 0 0 0 0 0 0 0 0 0
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