FOUS54 KBRO 220536 PFMBRO Point Forecast Matrices National Weather Service Brownsville TX 1236 AM CDT Sat Aug 22 2026 TXZ255-230900- Brownsville-Cameron TX 25.91N 97.42W Elev. 22 ft 1236 AM CDT Sat Aug 22 2026 Date 08/21/26 Sat 08/22/26 Sun 08/23/26 Mon 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 80 100 79 98 80 Temp 82 81 81 90 98 98 91 84 82 80 79 88 97 98 91 84 82 81 80 Dewpt 77 77 77 76 71 71 74 77 77 76 76 74 69 69 72 75 76 76 75 RH 85 88 88 64 42 42 58 80 85 88 91 63 40 39 54 74 82 85 85 Wind dir S S S S SE SE SE SE S S S S SE SE SE SE SE S S Wind spd 6 6 6 9 10 12 11 9 5 5 4 5 9 12 11 8 5 5 3 Clouds SC SC SC SC SC SC FW FW SC SC FW FW FW SC FW FW FW FW FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Heat index 90 102106107100 93 97103104 99 92 Max heat 91 90 107 107 96 103 104 97 Date 08/24 Tue 08/25/26 Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 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 81 98 81 98 81 98 Temp 96 91 83 81 96 92 83 81 96 92 83 81 96 92 83 81 96 92 Dewpt 72 74 76 76 72 75 77 77 72 74 77 76 72 74 77 77 73 76 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 CL FW FW FW CL FW FW FW CL FW FW FW CL FW FW FW PoP 12hr 5 0 0 0 0 0 0 0 10 $$ TXZ255-230900- Harlingen-Cameron TX 26.23N 97.66W Elev. 36 ft 1236 AM CDT Sat Aug 22 2026 Date 08/21/26 Sat 08/22/26 Sun 08/23/26 Mon CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 76 104 75 103 76 Temp 81 79 77 89100101 94 85 81 78 76 88 99100 92 84 81 79 77 Dewpt 76 76 76 76 67 67 70 75 76 76 75 74 66 67 69 74 75 75 74 RH 85 91 97 66 34 33 46 72 85 94 97 63 34 34 47 72 82 88 90 Wind dir S S S S SE SE SE SE S S SE SE SE E SE SE SE S SE Wind spd 9 9 8 10 9 13 16 11 8 6 5 6 8 14 16 11 6 6 4 Clouds SC SC SC SC FW SC FW FW SC SC FW SC FW FW FW FW FW CL FW PoP 12hr 0 5 0 0 0 QPF 12hr 0 0 0 0 0 Heat index 100105107100 93 96103106 97 91 Max heat 105 107 97 103 106 97 Date 08/24 Tue 08/25/26 Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 102 76 102 77 102 76 102 77 101 Temp 98 93 82 79 99 94 82 79 98 94 82 79 98 94 82 79 98 94 Dewpt 70 72 76 75 70 73 76 75 71 72 76 75 70 72 77 76 71 74 PWind dir SE SE SE SE SE SE SE SE SE Wind char GN GN GN GN GN GN GN GN GN Avg clouds FW FW CL FW FW FW CL FW CL CL CL CL FW CL CL CL FW FW PoP 12hr 5 0 0 0 0 0 0 0 20 Rain shwrs S Tstms S $$ TXZ253-230900- McAllen-Hidalgo TX 26.18N 98.24W Elev. 107 ft 1236 AM CDT Sat Aug 22 2026 Date 08/21/26 Sat 08/22/26 Sun 08/23/26 Mon 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 79 106 78 105 79 Temp 82 81 79 88101104100 87 82 79 78 87 99103 99 87 82 80 79 Dewpt 76 76 76 76 65 60 64 72 76 75 75 73 62 61 63 71 75 75 75 RH 82 85 91 68 31 24 31 61 82 88 91 63 30 26 31 59 79 85 88 Wind dir SE SE SE S SE SE SE SE S S SE SE SE SE SE SE SE S SE Wind spd 12 10 9 11 10 10 17 13 11 8 8 9 9 11 17 14 11 9 8 Clouds FW SC SC FW FW SC FW FW FW SC SC FW FW FW FW FW FW FW FW PoP 12hr 0 5 0 0 0 QPF 12hr 0 0 0 0 0 Heat index 90 99104105103 93 90 95101105102 92 Max heat 90 104 107 101 101 106 98 Date 08/24 Tue 08/25/26 Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 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 79 104 80 104 80 104 80 104 Temp 99 97 83 80100 97 83 80 99 97 83 80100 97 83 80 99 96 Dewpt 68 69 76 75 69 71 77 76 69 69 76 76 69 68 77 77 70 71 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 CL FW FW FW CL FW CL FW CL FW CL FW CL PoP 12hr 0 0 0 0 0 0 0 0 0 $$ TXZ355-230900- Bayview/Port Isabel-Cameron TX 26.16N 97.34W Elev. 19 ft 1236 AM CDT Sat Aug 22 2026 Date 08/21/26 Sat 08/22/26 Sun 08/23/26 Mon CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 78 98 77 97 78 Temp 81 80 79 88 96 95 89 83 81 79 78 88 95 94 88 83 82 80 79 Dewpt 77 77 77 77 74 76 76 77 77 76 76 76 74 74 75 76 76 76 75 RH 88 91 94 70 49 54 66 82 88 91 94 68 51 53 66 80 82 88 88 Wind dir S S S S SE SE SE S S S S S SE SE SE SE S S S Wind spd 6 6 6 8 11 14 13 9 5 5 4 5 11 14 12 8 5 5 3 Clouds SC SC B1 SC FW SC SC FW SC FW SC SC FW SC FW FW FW FW FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Heat index 101108109101 93 99105105 98 92 Max heat 90 108 110 97 105 107 98 Date 08/24 Tue 08/25/26 Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 96 79 97 79 97 79 97 79 97 Temp 94 90 82 79 94 91 82 80 94 91 82 79 94 90 82 79 94 90 Dewpt 75 76 77 76 76 77 77 76 76 76 77 76 76 76 78 77 76 77 PWind dir SE SE SE SE SE SE SE SE SE Wind char GN GN GN GN GN GN GN GN GN Avg clouds FW FW CL FW FW FW CL FW FW CL CL CL FW CL FW CL FW FW PoP 12hr 5 0 0 0 0 0 0 0 0 $$ TXZ249-230900- Hebbronville-Jim Hogg TX 27.35N 98.74W Elev. 663 ft 1236 AM CDT Sat Aug 22 2026 Date 08/21/26 Sat 08/22/26 Sun 08/23/26 Mon 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 74 104 74 103 74 Temp 81 76 75 86 98103101 88 82 76 74 86 97102100 86 80 76 75 Dewpt 72 74 74 75 61 54 57 70 73 73 72 72 58 56 57 69 74 74 74 RH 74 94 97 70 30 20 24 55 74 90 93 63 28 22 24 57 82 94 97 Wind dir SE S SE S SE SE SE SE SE S S SE SE SE E SE SE S SE Wind spd 8 6 5 6 5 8 11 9 5 4 4 5 8 10 12 10 6 6 5 Wind gust 18 19 20 17 Clouds B1 SC SC SC CL FW FW FW FW FW SC SC FW SC FW FW FW FW FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Heat index 95 99 92 92 97 90 Max heat 99 102 97 97 102 97 Date 08/24 Tue 08/25/26 Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 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 75 103 75 103 75 102 75 102 Temp 97 98 80 75 97 99 81 76 97 99 81 76 97 98 81 76 97 98 Dewpt 64 64 75 74 65 64 76 75 66 64 75 74 66 64 76 75 67 67 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 CL FW FW FW CL FW FW FW CL FW FW FW CL FW FW FW CL PoP 12hr 0 0 0 0 0 0 0 0 0 $$ TXZ250-230900- Falfurrias-Brooks TX 27.21N 98.12W Elev. 113 ft 1236 AM CDT Sat Aug 22 2026 Date 08/21/26 Sat 08/22/26 Sun 08/23/26 Mon CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 75 105 74 105 74 Temp 80 76 75 87101104 96 85 80 75 74 86100104 97 84 79 76 75 Dewpt 74 75 75 77 64 61 70 75 75 75 74 75 61 61 67 74 76 75 74 RH 82 97100 72 30 25 43 72 85100100 70 28 25 38 72 91 97 97 Wind dir S S SE S SE E SE SE SE S SE SE SE E E SE SE S S Wind spd 6 5 4 6 5 9 12 6 4 4 2 5 6 11 12 8 5 4 3 Wind gust 17 18 Clouds B2 FW SC SC CL FW FW FW FW FW SC SC FW SC SC CL FW FW FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Heat index 99104106103 93 95101106102 91 Max heat 104 108 99 101 106 99 Date 08/24 Tue 08/25/26 Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 104 74 104 75 104 75 103 75 103 Temp 99 95 80 75 99 96 81 76 99 96 81 76 99 96 80 76100 95 Dewpt 66 72 75 74 66 73 76 75 67 72 75 74 67 72 76 75 68 74 PWind dir SE SE SE SE SE SE SE SE SE Wind char LT GN GN GN GN GN LT GN GN Avg clouds FW FW CL FW FW CL FW FW FW CL CL FW FW CL FW FW FW CL PoP 12hr 0 0 0 0 0 0 0 0 0 $$ TXZ253-230900- Edinburg-Hidalgo TX 26.44N 98.13W Elev. 75 ft 1236 AM CDT Sat Aug 22 2026 Date 08/21/26 Sat 08/22/26 Sun 08/23/26 Mon 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 76 104 76 Temp 81 78 77 88 99103100 87 81 77 76 87 98102 98 85 81 78 77 Dewpt 75 75 75 74 63 58 63 71 75 74 74 71 61 60 63 70 74 74 74 RH 82 91 94 63 31 23 30 59 82 90 94 59 30 25 32 61 79 88 90 Wind dir SE SE SE S SE SE SE SE S S SE SE SE SE SE SE SE S SE Wind spd 9 6 5 9 9 9 14 11 8 5 4 8 8 11 14 11 8 6 4 Wind gust 19 17 21 21 Clouds FW SC SC FW FW SC SC FW FW FW SC SC FW FW FW FW FW FW FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Heat index 97101103102 92 93 99103101 90 Max heat 101 105 100 99 104 97 Date 08/24 Tue 08/25/26 Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 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 78 103 77 103 78 103 Temp 98 96 81 78 99 96 82 78 99 96 82 78 99 96 82 78 99 96 Dewpt 66 69 74 74 67 70 75 75 67 69 75 75 67 68 76 75 68 70 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 CL FW CL FW CL FW CL FW CL FW CL FW CL FW CL PoP 12hr 0 0 0 0 0 0 0 0 0 $$