Point Forecast Matrices
Issued by NWS Brownsville, TX
Issued by NWS Brownsville, TX
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880 FOUS54 KBRO 181740 PFMBRO Point Forecast Matrices National Weather Service Brownsville TX 1240 PM CDT Mon Aug 18 2025 TXZ255-190900- Brownsville-Cameron TX 25.91N 97.42W Elev. 22 ft 1240 PM CDT Mon Aug 18 2025 Date 08/18/25 Tue 08/19/25 Wed 08/20/25 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 96 78 94 78 Temp 94 89 85 83 80 79 86 92 93 88 84 81 80 79 85 91 93 88 84 81 79 78 Dewpt 75 76 77 78 77 77 76 73 73 75 76 76 76 76 76 73 73 75 76 76 75 75 RH 54 66 77 85 91 94 72 54 52 66 77 85 88 91 75 56 52 66 77 85 88 91 Wind dir E E E SE S NE E NE E E E SE SW NW N NE E E E S SW W Wind spd 10 9 4 2 1 1 2 5 10 9 3 1 1 2 2 6 9 6 2 1 1 2 Clouds FW FW FW FW FW FW FW SC SC FW CL FW FW SC SC SC FW FW FW FW FW FW PoP 12hr 0 20 20 40 10 QPF 12hr 0 0.01 0 0.08 0 Rain shwrs S S S C C C C S Tstms S S S S C S Heat index 105 99 94 91 97102103 98 93 94100101 96 92 Max heat 106 97 91 102 103 95 100 102 96 Date 08/21 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 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 78 96 78 95 79 94 79 94 Temp 93 88 82 79 93 88 83 79 92 87 82 79 91 88 83 79 92 88 Dewpt 72 74 76 75 73 75 76 76 74 75 76 76 75 76 77 76 74 76 PWind dir NE SE SE SE SE SE SE SE SE Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW FW FW FW SC SC SC SC SC SC SC SC SC SC PoP 12hr 20 10 30 20 40 30 40 20 30 Rain shwrs S S S C S S C C S C C C S C C Tstms S S C S C C S S C C S S C $$ TXZ255-190900- Harlingen-Cameron TX 26.23N 97.66W Elev. 36 ft 1240 PM CDT Mon Aug 18 2025 Date 08/18/25 Tue 08/19/25 Wed 08/20/25 Thu CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 74 97 74 96 73 Temp 95 89 82 80 77 76 86 93 94 89 82 79 77 75 85 91 93 89 81 78 75 73 Dewpt 74 75 77 78 76 75 77 73 72 73 76 76 76 74 76 73 73 73 75 75 75 73 RH 51 64 85 94 97 97 75 52 49 59 82 91 97 97 75 56 52 59 82 91100100 Wind dir E E SE SE SE E E E E E E SE S NW N NE E E E S SW W Wind spd 12 12 5 2 1 1 1 6 10 10 4 2 1 2 2 6 9 8 2 1 1 1 Clouds FW CL FW FW CL FW FW FW FW FW FW FW FW SC SC SC SC FW FW FW FW FW PoP 12hr 0 20 20 50 10 QPF 12hr 0 0 0 0.06 0 Rain shwrs S S S C C C C Tstms S S S S C S Heat index 105100 91 97102102 97 94 99102 97 Max heat 105 95 102 103 95 99 102 94 Date 08/21 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 97 74 96 75 94 74 94 75 95 Temp 93 89 79 75 93 89 79 75 91 87 79 75 91 88 80 75 91 89 Dewpt 72 73 75 73 72 74 76 74 74 74 76 74 74 75 77 75 74 75 PWind dir NE SE SE SE E SE SE SE SE Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW SC FW FW SC SC SC SC SC B1 SC FW SC SC PoP 12hr 30 10 30 20 50 20 50 10 30 Rain shwrs C S C S S C C S S C C S C Tstms C S C S S C C S S S C S C $$ TXZ253-190900- McAllen-Hidalgo TX 26.18N 98.24W Elev. 107 ft 1240 PM CDT Mon Aug 18 2025 Date 08/18/25 Tue 08/19/25 Wed 08/20/25 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 78 101 78 99 77 Temp 100 95 87 83 81 79 87 95 98 94 87 83 80 79 86 93 96 92 86 82 79 78 Dewpt 70 71 73 76 76 76 76 71 68 70 72 75 76 75 75 71 69 70 72 74 75 74 RH 38 46 63 80 85 91 70 46 38 46 61 77 88 88 70 49 42 49 63 77 88 88 Wind dir E E SE SE SE SE E E E E E SE S NW NE NE E E SE SE S S Wind spd 11 13 10 5 2 1 1 5 9 12 8 4 2 1 2 6 8 10 5 3 2 1 Clouds FW CL FW FW FW FW FW FW FW FW FW FW FW FW SC SC SC FW FW FW CL CL PoP 12hr 0 20 20 50 20 QPF 12hr 0 0 0 0.06 0.02 Rain shwrs S S S S S C C S S Tstms S S C C Heat index 109103 95 91 97102104100 93 90 95100102 98 92 Max heat 109 100 91 102 105 96 100 102 97 Date 08/21 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 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 78 99 78 96 78 96 78 97 Temp 95 93 83 79 94 91 83 80 92 90 82 78 92 89 83 79 93 91 Dewpt 69 69 74 75 70 71 75 75 72 72 76 75 73 73 76 76 73 73 PWind dir E SE E SE E SE SE SE SE Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW SC FW SC SC SC SC SC SC B1 SC FW FW SC PoP 12hr 30 10 40 20 50 20 40 10 30 Rain shwrs C C S C S C C Tstms C C S C S C C $$ TXZ355-190900- Bayview/Port Isabel-Cameron TX 26.16N 97.34W Elev. 19 ft 1240 PM CDT Mon Aug 18 2025 Date 08/18/25 Tue 08/19/25 Wed 08/20/25 Thu CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 77 92 77 91 76 Temp 90 87 83 82 79 78 86 90 90 86 83 81 80 77 85 89 90 87 83 81 79 76 Dewpt 78 78 78 78 78 77 78 77 78 77 78 78 77 76 78 77 77 77 77 77 76 75 RH 68 75 85 88 97 97 77 66 68 75 85 91 91 97 80 68 66 72 82 88 91 97 Wind dir E E SE SE S SW E E E E E SE S NW N NE E E E S SW W Wind spd 10 9 4 2 1 1 2 8 10 9 3 1 1 2 3 9 10 6 2 1 1 2 Clouds CL FW FW FW FW SC SC FW FW FW FW FW FW SC SC SC FW FW FW FW FW FW PoP 12hr 0 20 20 40 10 QPF 12hr 0 0 0 0.03 0 Rain shwrs S S C C C C S Tstms S S S S C Heat index 105100 94 91 99102104 98 93 90 97101102 97 92 Max heat 106 96 102 104 96 101 103 96 Date 08/21 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 93 76 93 77 92 77 92 77 92 Temp 90 87 81 77 90 87 82 77 89 87 82 78 89 86 82 78 90 86 Dewpt 76 76 77 76 77 77 77 76 78 77 78 77 78 77 77 76 78 78 PWind dir NE SE SE SE SE SE SE SE SE Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW FW FW FW SC SC SC SC SC SC SC FW SC SC PoP 12hr 20 10 20 20 40 20 40 10 30 Rain shwrs S S S S S C C S C C C S Tstms S S S S C C S C C S S $$ TXZ249-190900- Hebbronville-Jim Hogg TX 27.35N 98.74W Elev. 663 ft 1240 PM CDT Mon Aug 18 2025 Date 08/18/25 Tue 08/19/25 Wed 08/20/25 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 74 100 75 98 74 Temp 100 95 85 79 76 75 86 95 98 91 84 79 77 75 85 93 96 92 84 79 76 75 Dewpt 67 71 76 77 76 75 76 68 67 72 74 76 75 74 75 70 67 71 74 74 74 73 RH 34 46 75 94100100 72 42 37 54 72 91 94 97 72 47 39 51 72 85 94 94 Wind dir E SE SE SE S SE SE E E E E SE SE E NE NE E E SE SE S SW Wind spd 10 12 10 5 3 1 2 4 8 10 5 2 1 1 2 5 6 9 5 2 2 1 Clouds FW FW FW FW FW FW FW FW SC SC SC SC FW FW FW FW SC SC FW FW FW FW PoP 12hr 0 30 30 40 20 QPF 12hr 0 0.01 0.03 0.02 0.02 Rain shwrs C C C C C S S C C S S S S S Tstms C S S C S Heat index 104102 93 95100102 99 91 94 99101 98 91 Max heat 104 98 100 102 96 99 101 96 Date 08/21 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 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 75 94 74 93 74 94 74 94 Temp 93 89 79 75 91 87 78 75 89 87 78 75 90 88 78 75 91 88 Dewpt 69 72 76 73 72 75 77 75 73 74 77 74 72 74 77 75 72 75 PWind dir N SE E SE E SE E SE SE Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW SC SC FW SC SC SC SC SC SC SC FW SC SC SC FW FW SC PoP 12hr 50 30 50 30 50 20 40 10 20 Rain shwrs S C C C S C C C C S S C S Tstms C S S S C C S C S C S $$ TXZ250-190900- Falfurrias-Brooks TX 27.21N 98.12W Elev. 113 ft 1240 PM CDT Mon Aug 18 2025 Date 08/18/25 Tue 08/19/25 Wed 08/20/25 Thu CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 75 99 74 97 73 Temp 98 92 83 79 77 75 87 95 96 91 82 79 77 75 86 94 95 91 82 78 76 74 Dewpt 72 74 77 78 77 75 78 71 70 73 75 77 76 75 77 71 71 72 75 76 75 74 RH 43 56 82 97100100 75 46 43 56 79 94 97100 75 47 46 54 79 94 97100 Wind dir E E SE SE S S SE E E E E SE S N N NE E E SE S S SW Wind spd 10 10 5 2 1 1 1 5 6 6 2 1 1 1 2 5 5 5 2 1 1 1 Clouds SC FW CL FW FW FW FW FW SC SC SC FW FW SC SC SC SC FW FW FW FW FW PoP 12hr 0 30 30 50 10 QPF 12hr 0 0.03 0.01 0.04 0 Rain shwrs S C S S C C S S C C Tstms S C S S S C C Heat index 107103 92 100102104100 97101102 99 Max heat 107 99 102 104 96 101 102 96 Date 08/21 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 96 75 94 75 93 74 94 75 94 Temp 94 90 78 75 91 88 79 75 90 88 78 75 92 88 79 75 92 88 Dewpt 71 74 77 74 73 76 77 75 73 77 78 75 74 77 77 75 74 76 PWind dir NE SE E SE E SE E SE SE Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW SC FW FW SC SC SC SC SC SC SC SC SC SC SC FW FW SC PoP 12hr 50 30 50 20 50 20 40 10 30 Rain shwrs C S C S C S S C S S C C Tstms C S S S C S S C S C C $$ TXZ253-190900- Edinburg-Hidalgo TX 26.44N 98.13W Elev. 75 ft 1240 PM CDT Mon Aug 18 2025 Date 08/18/25 Tue 08/19/25 Wed 08/20/25 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 76 100 76 97 75 Temp 98 92 84 80 78 76 87 94 96 91 84 81 79 77 86 92 95 90 82 79 77 76 Dewpt 71 72 75 76 75 74 75 71 69 70 74 75 75 74 74 71 70 70 73 74 74 73 RH 42 52 74 88 91 94 68 47 42 50 72 82 88 90 68 51 45 52 74 85 90 90 Wind dir E E E SE S N E E E E E SE S NW N NE E E E SE S S Wind spd 11 12 8 3 1 0 1 4 9 10 4 2 1 1 2 5 9 6 2 1 1 1 Clouds SC FW FW CL CL FW FW CL SC FW FW FW FW FW SC SC SC FW FW FW CL CL PoP 12hr 0 20 20 50 10 QPF 12hr 0 0 0 0.08 0 Rain shwrs S S S C C C C Tstms S S C C Heat index 107 99 91 96101102 97 90 94100101 96 Max heat 107 96 101 102 94 100 101 93 Date 08/21 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 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 76 97 76 94 76 94 76 96 Temp 94 91 80 76 93 90 80 77 90 87 80 76 91 88 80 77 91 89 Dewpt 69 71 74 73 71 72 75 74 73 74 76 74 73 74 75 75 73 73 PWind dir E SE E SE E SE SE SE SE Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW SC FW FW SC SC SC SC SC SC SC FW FW SC PoP 12hr 40 20 50 20 50 20 50 10 40 Rain shwrs C S C S S L S S S C C Tstms C C S S C S C C $$