Point Forecast Matrices
Issued by NWS Brownsville, TX
Issued by NWS Brownsville, TX
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488 FOUS54 KBRO 020540 PFMBRO Point Forecast Matrices National Weather Service Brownsville TX 1240 AM CDT Tue Sep 2 2025 TXZ255-030900- Brownsville-Cameron TX 25.91N 97.42W Elev. 22 ft 1240 AM CDT Tue Sep 2 2025 Date 09/01/25 Tue 09/02/25 Wed 09/03/25 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 94 77 94 76 Temp 82 80 80 87 92 90 86 83 81 80 78 86 92 92 87 82 80 78 76 Dewpt 77 77 77 77 74 76 75 76 76 76 75 76 72 72 73 75 75 74 73 RH 85 91 91 72 56 64 70 80 85 88 91 72 52 52 63 79 85 88 90 Wind dir S SW NW NW N NE NE NE W NW NW N NE NE NE E SE S W Wind spd 2 2 2 3 5 9 6 2 2 2 3 5 9 10 9 4 2 2 2 Clouds FW FW FW FW SC B1 B1 SC FW SC SC FW FW FW FW FW FW FW FW PoP 12hr 30 70 20 10 0 QPF 12hr 0 0.38 0.02 0 0 Rain shwrs C S L C S Tstms S C C S Heat index 90 98101100 95 91 95100 99 94 Max heat 92 90 101 101 93 100 100 92 Date 09/04 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 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 77 95 79 95 80 94 79 93 Temp 93 87 80 78 93 88 82 80 92 88 83 80 91 87 82 79 91 86 Dewpt 69 72 74 73 72 74 76 75 75 77 77 76 75 76 77 76 75 76 PWind dir E SE SE SE SE SE SE SE SE Wind char LT LT GN LT GN LT LT LT GN Avg clouds FW FW FW SC SC SC SC SC B1 B1 SC SC B1 B1 SC SC B1 SC PoP 12hr 5 5 10 20 40 40 60 40 50 Rain shwrs S C C C C L C C C C C Tstms S C C S C C C S S C C $$ TXZ255-030900- Harlingen-Cameron TX 26.23N 97.66W Elev. 36 ft 1240 AM CDT Tue Sep 2 2025 Date 09/01/25 Tue 09/02/25 Wed 09/03/25 Thu CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 75 96 74 97 72 Temp 79 77 77 85 91 90 86 80 78 76 75 85 93 94 88 80 76 74 74 Dewpt 77 76 75 77 74 75 75 76 76 74 73 75 70 70 71 74 74 73 72 RH 94 97 94 77 58 62 70 88 94 94 94 72 47 46 57 82 94 97 93 Wind dir S SW NW NW N N NE E W W NW N NE NE E E SE S SW Wind spd 2 2 2 4 6 9 9 3 2 2 3 5 10 11 10 5 4 2 2 Clouds FW FW FW SC SC B2 B1 SC FW SC FW FW FW FW FW FW FW FW FW PoP 12hr 20 70 10 10 0 QPF 12hr 0 0.30 0.01 0 0 Rain shwrs S L L Tstms S L C Heat index 96100100 95 94 99100 94 Max heat 100 100 91 99 101 91 Date 09/04 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 98 72 98 75 96 75 95 75 95 Temp 94 89 77 75 93 88 78 78 92 88 79 78 91 86 78 77 91 87 Dewpt 69 70 74 72 70 73 76 75 74 75 77 75 74 74 77 75 74 74 PWind dir SE SE SE SE SE SE SE SE SE Wind char LT LT GN GN GN GN GN LT GN Avg clouds FW FW FW FW SC SC SC SC SC B1 SC SC SC B1 SC SC SC SC PoP 12hr 5 0 10 10 50 40 60 30 50 Rain shwrs C C C C C L S C C C Tstms S C S S S C S S S C $$ TXZ253-030900- McAllen-Hidalgo TX 26.18N 98.24W Elev. 107 ft 1240 AM CDT Tue Sep 2 2025 Date 09/01/25 Tue 09/02/25 Wed 09/03/25 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 80 98 77 100 77 Temp 83 82 80 88 93 94 89 84 82 80 77 87 95 98 93 85 81 79 77 Dewpt 76 76 75 76 73 72 73 73 74 74 74 74 68 66 68 70 72 73 73 RH 80 82 85 68 52 49 59 70 77 82 90 65 42 35 44 61 74 82 87 Wind dir SE SW NW NW NW N NE E SE W NW N N NE E E S S S Wind spd 3 2 2 3 6 8 8 5 2 2 2 4 8 8 10 8 5 4 2 Clouds FW FW FW SC SC B1 B1 SC FW FW CL FW FW SC FW FW FW FW FW PoP 12hr 20 70 20 5 0 QPF 12hr 0.03 0.05 0.01 0 0 Rain shwrs S L C S Tstms L C S Heat index 91 98102102 97 91 96100102 97 Max heat 92 91 102 103 95 100 102 94 Date 09/04 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 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 77 100 79 100 80 98 78 97 Temp 96 94 81 77 95 93 83 80 95 91 82 80 93 89 81 79 93 89 Dewpt 66 65 73 73 69 70 75 75 72 73 76 76 72 73 75 75 72 72 PWind dir SE SE SE SE SE SE SE SE SE Wind char LT GN GN GN GN GN GN LT GN Avg clouds FW FW FW SC SC SC SC SC SC SC SC SC SC B1 SC SC SC SC PoP 12hr 0 0 5 10 30 30 50 30 50 Rain shwrs C C C C C C C C C Tstms C S C S S C $$ TXZ355-030900- Bayview/Port Isabel-Cameron TX 26.16N 97.34W Elev. 19 ft 1240 AM CDT Tue Sep 2 2025 Date 09/01/25 Tue 09/02/25 Wed 09/03/25 Thu CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 78 93 77 92 75 Temp 81 80 78 86 89 88 86 83 81 79 77 87 90 90 86 82 80 77 75 Dewpt 77 77 77 78 77 78 78 77 77 76 75 77 75 75 75 75 75 75 73 RH 88 91 97 77 68 72 77 82 88 91 94 72 62 62 70 79 85 94 94 Wind dir S W W NW N NE NE E W NW NW N N NE E E SE S SW Wind spd 2 2 2 5 10 10 8 3 2 2 3 6 11 11 9 5 3 2 2 Clouds FW FW FW SC SC B1 B1 SC FW SC FW FW FW FW FW FW FW FW FW PoP 12hr 30 60 20 10 0 QPF 12hr 0 0.10 0.01 0 0 Rain shwrs S S C L C S Tstms S S C C C S Heat index 98102102 97 91 99101100 95 Max heat 91 103 102 94 101 101 94 Date 09/04 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 93 76 93 78 93 78 93 78 92 Temp 91 86 80 77 91 86 81 78 89 86 82 78 89 86 81 79 89 85 Dewpt 74 75 76 73 75 76 77 76 78 79 78 76 79 78 78 76 77 77 PWind dir SE SE SE SE SE SE SE SE SE Wind char LT LT GN GN GN LT GN LT GN Avg clouds FW FW FW FW SC SC SC SC B1 SC SC SC B1 B1 SC SC SC SC PoP 12hr 0 0 5 20 40 40 50 40 50 Rain shwrs S C C C C C C S C C C Tstms S C C S C C C S S C C $$ TXZ249-030900- Hebbronville-Jim Hogg TX 27.35N 98.74W Elev. 663 ft 1240 AM CDT Tue Sep 2 2025 Date 09/01/25 Tue 09/02/25 Wed 09/03/25 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 74 96 72 99 72 Temp 78 76 75 85 91 92 88 81 77 75 72 86 94 97 93 83 78 74 73 Dewpt 76 75 74 76 72 69 70 75 76 74 72 74 65 62 64 70 72 71 71 RH 94 97 97 75 54 47 55 82 97 97100 68 39 32 38 65 82 90 93 Wind dir S W NW NW N NE E E SE S W N N NE NE SE S S S Wind spd 2 1 2 4 6 8 6 3 2 1 1 2 5 5 5 5 5 4 3 Clouds SC SC SC SC B2 SC SC FW FW CL FW FW FW FW FW FW FW FW FW PoP 12hr 60 40 5 0 0 QPF 12hr 0.01 0.01 0 0 0 Rain shwrs C C C S Tstms C S C S Heat index 95 98 97 94 94 97 98 95 Max heat 98 98 92 97 98 92 Date 09/04 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 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 100 71 99 74 98 75 95 74 95 Temp 96 93 77 72 94 92 78 75 93 88 78 75 91 87 78 74 91 87 Dewpt 64 64 73 72 65 67 76 74 71 74 77 75 71 73 77 74 70 72 PWind dir SE SE SE SE SE SE SE SE SE Wind char LT GN GN GN GN LT GN LT GN Avg clouds FW FW FW SC SC SC SC B1 SC B1 B1 B1 B1 B1 SC SC SC SC PoP 12hr 0 0 5 5 30 30 50 30 50 Rain shwrs C S C C C C C C C Tstms C S C S C $$ TXZ250-030900- Falfurrias-Brooks TX 27.21N 98.12W Elev. 113 ft 1240 AM CDT Tue Sep 2 2025 Date 09/01/25 Tue 09/02/25 Wed 09/03/25 Thu CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 75 94 73 98 72 Temp 79 77 75 85 92 90 87 81 78 75 73 87 95 96 91 82 78 74 73 Dewpt 77 76 74 78 72 72 75 76 77 75 73 76 67 66 69 73 74 74 72 RH 94 97 97 80 52 56 68 85 97100100 70 40 38 49 74 88100 97 Wind dir SW W E NW N NE E SE S W NW N N NE E SE S S S Wind spd 1 1 2 5 6 5 5 2 1 1 2 4 5 5 5 4 2 2 2 Clouds SC SC SC SC SC B2 SC FW FW FW FW FW FW SC FW FW FW FW FW PoP 12hr 50 50 5 5 0 QPF 12hr 0.01 0.07 0 0 0 Rain shwrs S C C C C Tstms S C C C C Heat index 97101 98 97 97 99 99 96 Max heat 101 99 92 100 100 94 Date 09/04 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 100 73 98 75 96 76 95 74 95 Temp 96 90 78 73 95 88 78 76 94 87 79 76 93 86 78 75 92 85 Dewpt 66 70 75 73 67 74 77 75 72 77 78 76 73 76 77 75 72 76 PWind dir SE SE SE SE SE SE SE SE SE Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW SC SC SC SC B1 B1 B1 SC SC B1 B1 SC SC SC SC PoP 12hr 0 0 5 10 40 30 50 30 50 Rain shwrs S C S C C C S C C C Tstms C S S S C S S S C $$ TXZ253-030900- Edinburg-Hidalgo TX 26.44N 98.13W Elev. 75 ft 1240 AM CDT Tue Sep 2 2025 Date 09/01/25 Tue 09/02/25 Wed 09/03/25 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 96 74 99 73 Temp 80 79 78 86 92 91 86 81 79 77 75 87 94 96 90 82 78 76 74 Dewpt 75 75 74 75 73 72 73 75 74 74 73 74 68 66 68 71 72 73 72 RH 85 88 88 70 54 54 65 82 85 90 94 65 43 38 49 69 82 90 93 Wind dir SE SW NW NW NW N E E S W NW N N NE E SE S S S Wind spd 2 2 2 4 6 8 5 2 1 1 2 4 8 9 10 5 4 2 1 Clouds FW SC SC SC B1 B1 B1 SC FW FW FW FW FW SC FW FW FW FW FW PoP 12hr 30 80 10 5 0 QPF 12hr 0 0.32 0 0 0 Rain shwrs S L C Tstms S L C Heat index 95100 98 93 95 99 99 94 Max heat 100 99 92 99 100 91 Date 09/04 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 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 100 73 99 76 98 77 96 76 95 Temp 95 90 77 74 94 90 80 78 94 88 80 78 93 86 79 76 92 85 Dewpt 66 66 73 72 69 70 75 74 73 74 76 75 73 74 75 74 72 73 PWind dir SE SE SE SE SE SE SE SE SE Wind char LT LT GN GN GN LT GN LT GN Avg clouds FW FW FW SC SC SC SC SC SC SC SC SC SC B1 SC SC SC SC PoP 12hr 5 0 10 10 40 30 50 30 50 Rain shwrs S C C C C C C C C C Tstms C S S C S S C $$