251
FOUS54 KBRO 210626
PFMBRO
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE BROWNSVILLE TX
126 AM CDT FRI AUG 21 2026
TXZ255-220900-
BROWNSVILLE-CAMERON TX
25.91N 97.42W ELEV. 22 FT
126 AM CDT FRI AUG 21 2026
DATE 08/20/26 FRI 08/21/26 SAT 08/22/26 SUN
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 81 98 80 99 79
TEMP 83 82 89 96 97 92 84 82 81 80 89 97 98 92 84 82 80 79
DEWPT 78 78 77 73 71 73 76 77 77 77 76 71 71 74 76 77 76 76
RH 85 88 68 48 43 54 77 85 88 91 66 43 42 56 77 85 88 91
WIND DIR S S S S SE SE SE S S S S S SE SE SE S S S
WIND SPD 9 8 10 13 14 12 9 6 6 5 8 10 12 11 8 5 5 4
CLOUDS SC SC SC SC SC SC SC FW B1 SC SC SC FW SC SC SC FW FW
POP 12HR 0 0 0 0 0
QPF 12HR 0 0 0 0 0
HEAT INDEX 92 91102106106100 93 91 100105107101 93 90
MAX HEAT 95 94 106 106 95 90 105 107 95
DATE 08/23 MON 08/24/26 TUE 08/25/26 WED 08/26/26 THU 08/27/26
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 80 98 80 98 80 98
TEMP 97 91 83 80 96 91 82 80 96 91 83 80 96 91 83 80 96 91
DEWPT 69 72 76 75 71 74 76 75 72 74 76 76 71 74 76 76 72 74
PWIND DIR SE SE SE SE SE SE SE SE SE
WIND CHAR GN LT GN GN GN GN GN GN GN
AVG CLOUDS FW FW FW FW FW FW FW FW FW FW CL FW FW FW CL FW FW FW
POP 12HR 0 0 0 0 0 0 0 0 0
TXZ255-220900-
HARLINGEN-CAMERON TX
26.23N 97.66W ELEV. 36 FT
126 AM CDT FRI AUG 21 2026
DATE 08/20/26 FRI 08/21/26 SAT 08/22/26 SUN
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 78 102 75 103 75
TEMP 81 79 89 99102 95 85 82 79 76 89100101 94 85 81 78 76
DEWPT 77 77 77 71 69 69 74 76 76 75 76 67 67 70 75 76 75 74
RH 88 94 68 41 35 43 70 82 91 97 66 34 33 46 72 85 91 94
WIND DIR S SE S S SE SE SE S S S S SE SE SE SE S S S
WIND SPD 10 9 12 13 16 16 11 9 9 8 10 9 13 16 11 8 6 5
CLOUDS SC SC SC FW SC SC SC FW B1 B1 SC FW SC FW FW FW FW FW
POP 12HR 0 0 0 0 0
QPF 12HR 0 0 0 0 0
HEAT INDEX 102108108101 92 99105106100 93
MAX HEAT 93 92 108 108 95 105 107 96
DATE 08/23 MON 08/24/26 TUE 08/25/26 WED 08/26/26 THU 08/27/26
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 76 101 75 101 76 102 76 101
TEMP 99 94 82 77 98 93 81 78 97 93 81 78 98 94 82 78 98 94
DEWPT 66 69 75 74 69 71 75 74 70 71 75 75 69 71 75 75 69 72
PWIND DIR SE SE SE SE SE SE SE SE SE
WIND CHAR GN GN GN GN GN GN GN GN GN
AVG CLOUDS FW FW FW FW FW FW FW FW FW FW CL FW FW FW CL FW FW FW
POP 12HR 0 0 0 0 0 0 0 0 0
TXZ253-220900-
MCALLEN-HIDALGO TX
26.18N 98.24W ELEV. 107 FT
126 AM CDT FRI AUG 21 2026
DATE 08/20/26 FRI 08/21/26 SAT 08/22/26 SUN
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 81 104 79 105 78
TEMP 82 81 89100102 96 86 82 80 80 88 99103 99 87 82 80 79
DEWPT 77 77 77 69 65 65 72 76 76 76 75 65 61 66 72 76 76 75
RH 85 88 68 37 30 36 63 82 88 88 66 33 26 34 61 82 88 88
WIND DIR SE SE S SE SE SE SE SE SE SE SE SE SE SE SE S SE SE
WIND SPD 11 11 13 14 16 17 13 11 10 9 10 10 11 17 13 10 9 8
WIND GUST 21
CLOUDS SC SC FW FW FW SC SC FW SC SC SC SC SC SC FW FW SC SC
POP 12HR 0 0 0 0 0
QPF 12HR 0 0 0 0 0
HEAT INDEX 90 101107107 99 92 90 98103105103 93 90
MAX HEAT 93 92 107 109 96 103 106 101
DATE 08/23 MON 08/24/26 TUE 08/25/26 WED 08/26/26 THU 08/27/26
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 104 79 103 79 103 79 104 79 103
TEMP 99 98 83 79 99 96 82 79 98 96 82 79 98 96 82 79 98 96
DEWPT 63 65 75 75 67 68 76 75 68 68 76 75 68 69 76 76 68 69
PWIND DIR SE SE SE SE SE SE SE SE SE
WIND CHAR GN GN GN GN GN GN GN GN GN
AVG CLOUDS FW FW FW FW FW FW FW CL FW FW FW FW FW CL FW FW FW CL
POP 12HR 0 0 0 0 0 0 0 0 0
TXZ355-220900-
BAYVIEW/PORT ISABEL-CAMERON TX
26.16N 97.34W ELEV. 19 FT
126 AM CDT FRI AUG 21 2026
DATE 08/20/26 FRI 08/21/26 SAT 08/22/26 SUN
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 80 97 78 98 77
TEMP 81 80 90 95 95 89 84 82 80 78 89 96 95 89 84 81 79 78
DEWPT 78 78 78 76 76 76 77 77 77 76 77 75 76 76 77 77 76 76
RH 91 94 68 54 54 66 80 85 91 94 68 51 54 66 80 88 91 94
WIND DIR S S S SE SE SE SE S S S S SE SE SE SE S S S
WIND SPD 8 6 10 14 16 12 9 6 6 5 8 11 14 12 9 5 5 4
CLOUDS SC B1 SC SC SC SC SC FW B1 B1 SC FW FW SC SC FW SC SC
POP 12HR 0 0 0 0 0
QPF 12HR 0 0 0 0 0
HEAT INDEX 90 104110108100 93 90 102108108100 93
MAX HEAT 93 93 110 110 97 108 109 97
DATE 08/23 MON 08/24/26 TUE 08/25/26 WED 08/26/26 THU 08/27/26
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 97 78 96 78 96 78 97 78 97
TEMP 95 90 82 79 94 89 81 78 94 89 81 78 95 90 82 78 94 89
DEWPT 74 75 76 75 75 76 76 76 75 76 76 76 75 76 77 76 75 76
PWIND DIR SE SE SE SE SE SE SE SE SE
WIND CHAR GN LT GN GN GN GN GN GN GN
AVG CLOUDS FW FW FW FW FW FW FW FW FW FW CL CL FW FW FW FW FW CL
POP 12HR 0 0 0 0 0 0 0 0 0
TXZ249-220900-
HEBBRONVILLE-JIM HOGG TX
27.35N 98.74W ELEV. 663 FT
126 AM CDT FRI AUG 21 2026
DATE 08/20/26 FRI 08/21/26 SAT 08/22/26 SUN
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 74 104 74
TEMP 78 77 87 97102 99 88 82 76 75 86 98103100 88 82 77 75
DEWPT 76 76 77 66 59 64 70 71 73 74 75 61 54 59 69 73 74 73
RH 94 97 72 36 25 32 55 69 90 97 70 30 20 26 54 74 90 94
WIND DIR SE SE S S SE SE SE SE S SE SE SE SE SE SE SE S SE
WIND SPD 8 8 10 10 10 11 9 8 6 5 5 6 9 11 9 5 5 4
WIND GUST 18 20 19
CLOUDS SC SC SC FW SC FW FW FW FW SC SC FW SC CL FW FW FW FW
POP 12HR 0 0 0 0 0
QPF 12HR 0 0 0 0 0
HEAT INDEX 98101102102 93 94 99 101 92
MAX HEAT 101 103 99 99 102 98
DATE 08/23 MON 08/24/26 TUE 08/25/26 WED 08/26/26 THU 08/27/26
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 74 102 74 102 74 102 75 102
TEMP 98 99 80 75 97 98 79 75 97 98 80 75 97 98 80 75 97 98
DEWPT 60 61 73 74 63 64 75 74 64 65 75 75 65 65 75 75 65 65
PWIND DIR SE SE SE SE SE SE SE SE SE
WIND CHAR LT GN GN GN GN GN GN GN GN
AVG CLOUDS FW FW FW FW FW FW CL FW FW CL FW FW FW CL CL FW FW CL
POP 12HR 0 0 0 0 0 0 0 0 0
TXZ250-220900-
FALFURRIAS-BROOKS TX
27.21N 98.12W ELEV. 113 FT
126 AM CDT FRI AUG 21 2026
DATE 08/20/26 FRI 08/21/26 SAT 08/22/26 SUN
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 77 104 74 105 74
TEMP 78 77 88100104 97 86 81 76 75 87101105 98 85 80 76 74
DEWPT 76 77 78 68 63 73 75 74 74 74 77 63 60 69 74 75 75 74
RH 94100 72 36 27 46 70 79 94 97 72 29 23 39 70 85 97100
WIND DIR SE SE S SE SE SE SE SE S SE S SE E SE SE SE S SE
WIND SPD 5 5 9 10 11 12 8 5 5 3 5 5 9 12 6 4 4 3
WIND GUST 18 17
CLOUDS SC SC SC SC SC FW FW FW FW FW SC FW FW FW FW FW FW FW
POP 12HR 0 0 0 0 0
QPF 12HR 0 0 0 0 0
HEAT INDEX 102106107107 94 98103106104 92
MAX HEAT 90 106 109 101 103 108 98
DATE 08/23 MON 08/24/26 TUE 08/25/26 WED 08/26/26 THU 08/27/26
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 104 74 103 74 103 74 104 75 103
TEMP 100 96 79 75 99 96 79 75 99 95 79 75 99 96 80 75 98 96
DEWPT 62 68 75 74 65 72 76 74 65 73 75 74 65 73 76 75 65 73
PWIND DIR SE SE SE SE SE SE SE SE SE
WIND CHAR LT LT LT GN GN GN GN GN LT
AVG CLOUDS FW FW FW FW FW FW CL FW FW CL FW FW CL FW CL FW CL CL
POP 12HR 0 0 0 0 0 0 0 0 0
TXZ253-220900-
EDINBURG-HIDALGO TX
26.44N 98.13W ELEV. 75 FT
126 AM CDT FRI AUG 21 2026
DATE 08/20/26 FRI 08/21/26 SAT 08/22/26 SUN
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 78 103 76 104 76
TEMP 80 79 88 98102 98 86 81 78 76 88 99103 99 86 81 77 76
DEWPT 76 76 75 67 62 64 70 74 75 74 74 63 59 65 71 75 74 74
RH 88 91 66 37 27 33 59 79 91 94 63 31 24 33 61 82 90 94
WIND DIR SE SE S SE SE SE SE S S SE S SE SE SE SE S S SE
WIND SPD 9 8 12 13 14 14 11 8 8 5 9 9 11 14 11 8 5 4
WIND GUST 20 18
CLOUDS SC SC SC FW FW FW FW FW SC SC SC FW SC SC FW FW FW SC
POP 12HR 0 0 0 0 0
QPF 12HR 0 0 0 0 0
HEAT INDEX 99103105100 90 96100104102 92
MAX HEAT 90 103 105 97 101 105 100
DATE 08/23 MON 08/24/26 TUE 08/25/26 WED 08/26/26 THU 08/27/26
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 76 103 76 103 77 103 77 103
TEMP 99 97 81 77 98 96 80 77 97 96 81 77 98 96 81 77 98 96
DEWPT 61 65 73 73 65 67 74 74 66 68 74 74 66 68 75 74 66 68
PWIND DIR SE SE SE SE SE SE SE SE SE
WIND CHAR GN GN GN GN GN GN GN GN GN
AVG CLOUDS FW FW FW FW FW FW FW CL FW CL FW CL FW CL CL CL FW CL
POP 12HR 0 0 0 0 0 0 0 0 0
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