Point Forecast Matrices
Issued by NWS Brownsville, TX
Issued by NWS Brownsville, TX
277 FOUS54 KBRO 120540 PFMBRO Point Forecast Matrices National Weather Service Brownsville TX 1240 AM CDT Fri Sep 12 2025 TXZ255-130900- Brownsville-Cameron TX 25.91N 97.42W Elev. 22 ft 1240 AM CDT Fri Sep 12 2025 Date 09/11/25 Fri 09/12/25 Sat 09/13/25 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 91 77 92 77 Temp 81 80 79 85 89 88 85 83 81 79 78 85 89 89 85 83 81 80 78 Dewpt 76 76 75 77 75 76 76 76 75 75 74 75 73 72 73 73 73 73 72 RH 85 88 88 77 64 68 75 80 82 88 88 72 59 57 67 72 77 79 82 Wind dir E NE NE NE E E E E E NE E E E E E E SE E E Wind spd 2 2 2 5 10 10 10 5 4 3 4 8 11 12 10 5 5 4 4 Clouds FW SC FW SC B1 SC SC FW FW SC FW FW SC FW FW FW FW FW FW PoP 12hr 50 50 40 50 20 QPF 12hr 0.01 0.04 0.06 0.06 0 Rain shwrs C S C C C C C S C C C C C S S S S C Tstms C S C C S S S S C C C C Heat index 96 98 99 94 90 94 97 97 92 Max heat 90 98 99 92 97 97 91 Date 09/14 Mon 09/15/25 Tue 09/16/25 Wed 09/17/25 Thu 09/18/25 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 92 76 91 76 91 77 91 76 92 Temp 90 85 80 77 88 84 79 77 89 85 80 77 89 85 80 78 89 85 Dewpt 70 71 72 70 71 71 72 71 72 73 73 72 72 73 73 73 72 73 PWind dir E E E E E E E E E Wind char GN LT GN LT LT LT GN LT LT Avg clouds SC SC FW SC SC SC FW FW SC SC FW SC SC SC SC FW FW SC PoP 12hr 30 20 60 40 70 40 60 40 60 Rain shwrs C C S S C L C C L L C C C L C C C L Tstms S C S S C S S S C S C $$ TXZ255-130900- Harlingen-Cameron TX 26.23N 97.66W Elev. 36 ft 1240 AM CDT Fri Sep 12 2025 Date 09/11/25 Fri 09/12/25 Sat 09/13/25 Sun CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 75 93 74 94 72 Temp 78 76 76 84 88 90 85 80 77 76 75 84 89 91 86 79 76 75 74 Dewpt 76 75 74 76 74 75 75 75 75 74 73 75 73 72 72 73 73 71 70 RH 94 97 94 77 63 62 72 85 94 94 94 74 59 54 63 82 90 87 87 Wind dir E NE N NE E E E E E E NE E E E E E SE E E Wind spd 2 2 3 6 11 13 12 6 5 4 5 10 13 13 12 6 5 5 5 Clouds FW SC FW SC SC SC FW FW FW FW SC FW FW FW FW FW FW FW FW PoP 12hr 30 50 20 40 10 QPF 12hr 0 0.16 0 0.10 0 Rain shwrs C S C C C C C C S Tstms S S C C S S S Heat index 93 98100 93 92 97 98 92 Max heat 98 100 90 97 98 Date 09/14 Mon 09/15/25 Tue 09/16/25 Wed 09/17/25 Thu 09/18/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 94 72 93 72 93 72 93 73 94 Temp 90 86 76 74 88 85 76 74 89 85 76 74 88 85 76 74 89 85 Dewpt 70 70 71 69 69 70 71 69 70 72 72 71 71 71 73 71 71 71 PWind dir E E E E NE E E E E Wind char GN LT GN LT GN LT GN LT GN Avg clouds FW SC FW FW SC SC FW FW FW SC FW SC SC SC FW FW FW SC PoP 12hr 30 5 50 20 60 20 50 20 50 Rain shwrs S C C C S S C L S S C C S S C C Tstms S C C S C S C $$ TXZ253-130900- McAllen-Hidalgo TX 26.18N 98.24W Elev. 107 ft 1240 AM CDT Fri Sep 12 2025 Date 09/11/25 Fri 09/12/25 Sat 09/13/25 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 96 77 96 75 Temp 80 80 77 85 91 91 87 83 80 79 77 85 91 93 88 83 79 77 76 Dewpt 75 75 75 76 73 73 73 75 75 75 74 75 72 70 70 72 73 72 71 RH 85 85 94 75 56 56 63 77 85 88 90 72 54 47 55 70 82 85 85 Wind dir SE NE NE E E E E E E E NE E E E E E SE E E Wind spd 2 2 3 5 9 10 12 6 2 3 4 8 10 12 13 8 4 5 5 Clouds FW SC FW SC B1 B1 SC FW SC SC FW FW SC SC FW FW FW FW FW PoP 12hr 10 50 20 40 5 QPF 12hr 0 0.06 0.01 0.02 0 Rain shwrs S S C S C C C C Tstms S C S C S Heat index 95100 99 94 93 98 99 93 Max heat 100 101 92 98 99 91 Date 09/14 Mon 09/15/25 Tue 09/16/25 Wed 09/17/25 Thu 09/18/25 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 97 75 95 74 96 75 95 75 96 Temp 92 89 79 76 90 87 79 75 90 87 79 76 90 87 79 75 91 87 Dewpt 68 67 71 70 68 68 71 70 68 70 72 72 69 69 73 71 69 69 PWind dir E E E E NE E E E E Wind char GN LT GN LT LT LT LT LT LT Avg clouds FW SC FW FW FW SC FW FW SC SC SC SC SC SC FW FW FW SC PoP 12hr 20 5 40 20 50 20 50 20 40 Rain shwrs S S C S S C C S S C C S S C C Tstms S C C C C $$ TXZ355-130900- Bayview/Port Isabel-Cameron TX 26.16N 97.34W Elev. 19 ft 1240 AM CDT Fri Sep 12 2025 Date 09/11/25 Fri 09/12/25 Sat 09/13/25 Sun CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 77 90 77 90 77 Temp 81 80 78 85 87 88 85 82 81 79 78 86 88 89 85 82 81 79 78 Dewpt 77 76 75 78 78 78 77 77 75 75 74 76 76 75 75 74 73 73 72 RH 88 88 91 80 75 72 77 85 82 88 88 72 68 64 72 77 77 82 82 Wind dir SE SE NE E E E E E E E E E E E E E SE SE E Wind spd 4 3 3 6 12 13 11 9 5 5 5 10 13 13 11 9 6 5 5 Clouds FW FW SC SC SC SC FW SC SC SC FW FW FW FW FW FW FW FW FW PoP 12hr 40 50 30 40 20 QPF 12hr 0.04 0.22 0.17 0.04 0 Rain shwrs C S C C C S S C C S S S S S S S Tstms S S C C S S S S S Heat index 96100100 95 90 96 98 99 93 Max heat 90 100 101 93 99 99 91 Date 09/14 Mon 09/15/25 Tue 09/16/25 Wed 09/17/25 Thu 09/18/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 91 76 90 76 89 76 89 76 90 Temp 88 85 80 77 87 84 79 76 87 84 80 77 87 84 80 77 87 84 Dewpt 73 73 72 70 74 73 72 71 74 75 74 72 75 74 74 73 75 75 PWind dir E E E E E E E E E Wind char GN LT GN LT GN LT GN LT GN Avg clouds FW FW FW SC SC FW FW FW FW FW FW SC SC SC FW FW FW FW PoP 12hr 30 20 50 40 60 40 50 40 50 Rain shwrs S C S S C C C C L L C C C C C C C C Tstms S S C S C S S S C S C $$ TXZ249-130900- Hebbronville-Jim Hogg TX 27.35N 98.74W Elev. 663 ft 1240 AM CDT Fri Sep 12 2025 Date 09/11/25 Fri 09/12/25 Sat 09/13/25 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 73 94 72 94 71 Temp 77 76 74 83 90 90 85 79 76 74 73 83 91 92 86 78 75 72 71 Dewpt 77 76 74 77 71 71 74 75 75 74 72 75 68 65 70 73 73 72 71 RH 100100100 82 54 54 70 88 97100 97 77 47 41 59 85 94100100 Wind dir SE E E E E E E E E E E E E E SE SE SE SE SE Wind spd 3 2 3 6 10 12 13 8 3 3 4 8 10 13 13 9 5 5 4 Clouds SC SC SC SC SC B1 SC FW SC SC FW FW SC SC SC SC FW FW SC PoP 12hr 5 50 5 20 0 QPF 12hr 0 0.05 0 0 0 Rain shwrs C S S S S Tstms C Heat index 92 97 96 92 95 94 90 Max heat 97 97 95 95 Date 09/14 Mon 09/15/25 Tue 09/16/25 Wed 09/17/25 Thu 09/18/25 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 95 70 94 69 94 71 92 71 94 Temp 91 86 75 71 90 85 74 70 89 85 75 71 88 84 75 71 89 85 Dewpt 66 68 72 69 64 67 70 69 65 68 72 70 67 69 73 71 66 68 PWind dir SE SE E E E E E SE E Wind char GN LT GN LT GN LT LT LT LT Avg clouds SC SC SC FW FW SC FW SC SC SC SC SC SC SC FW FW FW SC PoP 12hr 10 0 20 5 30 10 40 10 30 Rain shwrs S S C S C C Tstms S S C C $$ TXZ250-130900- Falfurrias-Brooks TX 27.21N 98.12W Elev. 113 ft 1240 AM CDT Fri Sep 12 2025 Date 09/11/25 Fri 09/12/25 Sat 09/13/25 Sun CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 75 93 72 94 72 Temp 78 76 74 85 89 89 85 80 76 74 73 85 92 92 85 79 76 74 73 Dewpt 77 75 74 78 73 73 75 75 74 73 72 75 70 69 72 74 73 72 71 RH 97 97100 80 59 59 72 85 94 97 97 72 49 47 65 85 90 93 93 Wind dir SE NE NE E E E E E E NE NE E E E E SE SE SE E Wind spd 2 1 2 6 10 11 10 4 2 2 2 6 11 13 11 4 2 2 2 Clouds FW SC SC SC B1 B1 FW FW FW FW FW FW SC SC FW SC SC FW SC PoP 12hr 10 40 5 20 0 QPF 12hr 0 0.01 0 0 0 Rain shwrs S C C C S S S S Tstms S C S Heat index 96 98 97 92 93 98 98 92 Max heat 98 98 90 98 99 Date 09/14 Mon 09/15/25 Tue 09/16/25 Wed 09/17/25 Thu 09/18/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 94 71 94 71 94 72 93 71 93 Temp 93 85 76 72 92 85 74 72 92 84 76 72 90 84 75 72 91 85 Dewpt 67 70 72 69 66 68 70 69 68 72 72 71 69 72 73 71 68 71 PWind dir E E E E E E E E E Wind char GN LT GN LT GN LT LT LT LT Avg clouds SC SC SC FW FW SC FW FW SC SC SC SC SC SC FW FW FW SC PoP 12hr 10 5 30 10 40 10 40 10 40 Rain shwrs S C C C C C S C Tstms C C C C $$ TXZ253-130900- Edinburg-Hidalgo TX 26.44N 98.13W Elev. 75 ft 1240 AM CDT Fri Sep 12 2025 Date 09/11/25 Fri 09/12/25 Sat 09/13/25 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 75 94 74 94 73 Temp 78 77 75 85 90 90 85 80 78 76 75 85 90 91 85 80 76 75 74 Dewpt 75 75 74 76 73 72 73 75 74 74 73 74 71 69 70 72 72 71 70 RH 91 94 97 75 58 56 67 85 88 94 94 70 54 49 61 77 87 87 87 Wind dir E NE NE E E E E E E E NE E E E E E SE E E Wind spd 1 1 2 6 10 12 11 4 2 2 3 8 11 13 12 5 2 2 3 Clouds FW FW FW SC SC B1 SC FW FW FW FW FW SC SC FW FW FW FW FW PoP 12hr 10 50 10 40 5 QPF 12hr 0 0.04 0 0.02 0 Rain shwrs S C C C C C Tstms S C S S Heat index 94 98 98 91 92 96 96 90 Max heat 98 98 96 97 Date 09/14 Mon 09/15/25 Tue 09/16/25 Wed 09/17/25 Thu 09/18/25 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 95 72 94 71 94 72 94 73 95 Temp 91 86 76 73 90 84 76 72 89 84 76 74 90 84 76 73 90 84 Dewpt 67 68 70 69 67 68 70 69 68 70 72 70 69 70 72 71 69 69 PWind dir E E E E NE E E E E Wind char GN LT GN LT GN LT GN LT GN Avg clouds FW SC FW FW FW SC FW FW SC SC SC SC SC SC FW FW SC SC PoP 12hr 20 5 40 20 50 20 50 20 50 Rain shwrs S S C S S C C S S C C S S S C Tstms S C C C C $$