Point Forecast Matrices
Issued by NWS Brownsville, TX
Issued by NWS Brownsville, TX
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415 FOUS54 KBRO 180540 PFMBRO Point Forecast Matrices National Weather Service Brownsville TX 1240 AM CDT Mon Aug 18 2025 TXZ255-190900- Brownsville-Cameron TX 25.91N 97.42W Elev. 22 ft 1240 AM CDT Mon Aug 18 2025 Date 08/17/25 Mon 08/18/25 Tue 08/19/25 Wed 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 77 96 78 Temp 82 81 79 87 94 94 89 84 82 79 79 86 93 94 89 83 82 80 79 Dewpt 77 77 77 76 74 75 75 77 77 76 76 76 73 73 74 76 77 76 76 RH 85 88 94 70 53 54 64 80 85 91 91 72 52 51 61 80 85 88 91 Wind dir SE SE E SE E E E E SE S N NE NE E E E SE SW NW Wind spd 3 2 2 3 8 10 9 4 2 1 1 2 5 10 9 3 1 1 2 Clouds FW FW FW FW SC FW FW FW FW FW FW FW FW FW FW CL FW CL FW PoP 12hr 0 10 0 20 10 QPF 12hr 0 0 0 0 0 Rain shwrs S S S S C Tstms S S S Heat index 91 98104104 99 94 90 97102103 98 92 Max heat 94 90 104 105 96 102 103 96 Date 08/20 Thu 08/21/25 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 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 77 96 78 95 78 95 78 94 Temp 92 89 82 78 93 89 82 78 93 88 82 78 92 87 82 79 92 87 Dewpt 73 74 76 75 73 73 76 75 74 75 76 76 74 76 77 77 75 76 PWind dir NE S NE 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 FW FW FW FW SC SC SC FW SC SC PoP 12hr 30 10 20 10 20 20 40 30 40 Rain shwrs C C S S S S C C S C C C Tstms S C S S S S C S S C C $$ TXZ255-190900- Harlingen-Cameron TX 26.23N 97.66W Elev. 36 ft 1240 AM CDT Mon Aug 18 2025 Date 08/17/25 Mon 08/18/25 Tue 08/19/25 Wed CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 75 97 74 98 73 Temp 79 77 77 87 94 95 89 82 78 76 76 86 93 95 89 81 78 76 76 Dewpt 77 76 75 77 73 74 74 77 77 76 75 77 72 72 73 76 76 75 74 RH 94 97 94 72 51 51 61 85 97100 97 75 51 48 59 85 94 97 94 Wind dir SE SE E SE E E E E SE S NE NE E E E E SE SW NW Wind spd 5 2 1 3 10 12 12 5 2 1 1 1 6 10 10 3 1 1 2 Clouds FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 0 10 0 20 10 QPF 12hr 0 0 0 0 0 Rain shwrs S S C Tstms S S Heat index 99104105 98 96101103 97 Max heat 104 105 95 101 103 94 Date 08/20 Thu 08/21/25 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 96 74 97 74 96 74 95 75 95 Temp 92 89 78 76 93 89 79 76 92 88 78 77 91 87 78 76 92 87 Dewpt 72 73 76 74 72 73 76 74 73 74 76 75 74 74 76 74 73 75 PWind dir NE SE NE SE SE SE SE SE SE Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW SC FW CL FW FW FW FW FW SC FW FW SC SC SC FW SC SC PoP 12hr 40 10 20 10 30 20 40 20 40 Rain shwrs C C S C S S S C S S S C Tstms S C S C S S S C S S S C $$ TXZ253-190900- McAllen-Hidalgo TX 26.18N 98.24W Elev. 107 ft 1240 AM CDT Mon Aug 18 2025 Date 08/17/25 Mon 08/18/25 Tue 08/19/25 Wed 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 79 101 78 101 78 Temp 83 81 79 88 96100 95 87 83 80 79 87 95 99 94 87 83 80 79 Dewpt 76 77 77 76 71 69 71 73 76 76 75 75 71 68 69 72 74 75 75 RH 80 88 94 68 45 37 46 63 80 88 88 68 46 37 44 61 74 85 88 Wind dir SE SE SE SE E E E SE SE SE E SE E E E E SE S E Wind spd 9 5 3 5 8 10 13 10 5 3 1 1 5 9 12 8 3 2 1 Clouds CL SC FW FW FW SC FW FW CL FW FW FW FW FW FW FW FW CL CL PoP 12hr 0 5 0 20 10 QPF 12hr 0 0 0 0 0 Rain shwrs S S S Tstms S S Heat index 91 98104107102 94 90 97103104100 93 90 Max heat 92 90 104 107 99 103 104 98 Date 08/20 Thu 08/21/25 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 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 77 101 78 99 78 98 78 98 Temp 95 92 82 78 95 93 83 79 94 91 82 79 93 90 82 79 93 89 Dewpt 70 71 74 75 70 70 75 75 71 72 75 75 71 72 76 76 72 73 PWind dir NE SE E SE E SE E SE E Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW CL FW FW FW FW FW SC SC FW SC SC SC FW FW SC PoP 12hr 40 20 30 10 30 20 50 20 40 Rain shwrs S C S C C S S C S C Tstms C C C S C S C $$ TXZ355-190900- Bayview/Port Isabel-Cameron TX 26.16N 97.34W Elev. 19 ft 1240 AM CDT Mon Aug 18 2025 Date 08/17/25 Mon 08/18/25 Tue 08/19/25 Wed CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 78 92 76 92 77 Temp 82 79 78 87 90 90 87 83 81 79 77 86 90 90 86 83 81 79 77 Dewpt 79 77 77 79 78 78 78 79 78 77 76 78 77 77 77 78 78 77 76 RH 91 94 97 77 68 68 75 88 91 94 97 77 66 66 75 85 91 94 97 Wind dir SE S SE E E E E SE SE S NW NE NE E E E SE SW NW Wind spd 4 2 1 2 10 10 9 4 2 1 1 2 9 10 9 3 1 1 2 Clouds FW FW FW FW FW FW FW FW FW FW SC FW FW FW FW FW FW FW FW PoP 12hr 0 5 0 20 10 QPF 12hr 0 0 0 0 0 Rain shwrs S S S S C Tstms S S S Heat index 91 101105105100 94 97103103 98 92 Max heat 92 90 105 105 97 103 104 96 Date 08/20 Thu 08/21/25 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 92 76 93 77 92 77 92 77 92 Temp 89 86 81 77 90 87 81 78 90 86 81 77 89 86 82 78 90 86 Dewpt 77 76 77 75 76 76 77 76 77 77 77 76 78 77 78 77 78 78 PWind dir NE SE NE SE SE SE SE SE SE Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW FW FW FW FW FW FW FW SC SC SC FW SC SC PoP 12hr 30 10 20 10 20 20 30 20 40 Rain shwrs C S S S S C C S S C C Tstms S S S S S C C S S C C $$ TXZ249-190900- Hebbronville-Jim Hogg TX 27.35N 98.74W Elev. 663 ft 1240 AM CDT Mon Aug 18 2025 Date 08/17/25 Mon 08/18/25 Tue 08/19/25 Wed 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 75 101 75 99 74 Temp 79 77 75 85 95 99 94 84 79 76 75 86 95 97 92 84 79 77 75 Dewpt 77 77 75 77 70 67 72 76 77 76 75 75 69 65 70 74 74 74 73 RH 94100100 77 45 36 49 77 94100100 70 43 35 49 72 85 90 94 Wind dir SE SE SE SE SE E E SE SE SE S SE E E E E SE S SE Wind spd 9 5 3 5 8 10 12 10 5 2 1 2 4 8 10 5 2 1 1 Clouds FW SC SC FW FW FW CL FW FW FW FW FW FW SC SC SC FW FW FW PoP 12hr 0 5 5 20 20 QPF 12hr 0 0 0 0 0.01 Rain shwrs S S S S S S S Tstms S S S S S S Heat index 96102104102 92 95100101 98 90 Max heat 102 104 98 100 101 96 Date 08/20 Thu 08/21/25 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 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 97 74 94 74 93 74 94 Temp 93 91 79 74 93 89 79 75 91 87 78 75 89 85 77 74 90 87 Dewpt 70 71 75 73 70 72 76 74 71 74 77 75 73 75 77 74 73 75 PWind dir E SE E SE E SE NE SE E Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW SC FW FW FW SC FW FW SC SC SC SC SC SC SC FW SC SC PoP 12hr 40 20 40 30 40 30 50 20 40 Rain shwrs S C S S C C S C C C C S C Tstms C C C S C C C S C $$ TXZ250-190900- Falfurrias-Brooks TX 27.21N 98.12W Elev. 113 ft 1240 AM CDT Mon Aug 18 2025 Date 08/17/25 Mon 08/18/25 Tue 08/19/25 Wed CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 75 99 75 98 74 Temp 79 77 76 87 96 98 91 83 79 77 75 86 95 96 91 83 79 77 75 Dewpt 78 77 75 78 72 72 74 77 78 76 75 78 71 70 73 75 76 76 75 RH 97100 97 75 46 43 58 82 97 97100 77 46 43 56 77 91 97100 Wind dir SE S SE SE SE E E SE SE S N S E E E SE SE SW NW Wind spd 5 2 1 3 6 9 10 5 2 1 0 1 5 6 8 2 1 1 1 Clouds SC FW SC SC FW FW CL FW FW FW FW FW FW SC FW FW FW FW FW PoP 12hr 0 5 0 30 20 QPF 12hr 0 0 0 0 0 Rain shwrs C C S S S S S Tstms C C S S S S Heat index 100105107101 92 97102103 99 90 Max heat 105 107 97 102 103 96 Date 08/20 Thu 08/21/25 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 96 74 96 74 94 74 94 75 94 Temp 94 89 79 74 94 89 79 75 92 87 78 75 91 86 78 75 91 87 Dewpt 72 74 76 74 71 74 76 74 72 76 77 75 74 77 77 75 73 77 PWind dir NE S NE SE E SE NE SE E Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW SC FW CL FW SC FW FW SC SC SC SC SC SC SC FW SC SC PoP 12hr 50 20 40 20 40 30 50 20 40 Rain shwrs S C S C S S C S C C S S C Tstms C C S C S S C S C $$ TXZ253-190900- Edinburg-Hidalgo TX 26.44N 98.13W Elev. 75 ft 1240 AM CDT Mon Aug 18 2025 Date 08/17/25 Mon 08/18/25 Tue 08/19/25 Wed 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 99 75 Temp 80 78 77 88 95 98 90 83 80 78 76 86 94 97 91 84 80 78 76 Dewpt 76 76 75 75 72 70 72 75 76 76 75 75 71 68 70 73 74 75 74 RH 88 94 94 66 48 41 56 77 88 94 97 70 47 39 50 70 82 91 94 Wind dir SE SE SE SE E E E E SE S N E E E E E SE S N Wind spd 5 3 1 4 8 11 13 8 3 1 0 1 4 10 11 4 1 1 1 Clouds CL FW FW FW FW FW FW CL CL FW SC FW FW FW FW FW FW CL FW PoP 12hr 0 10 0 30 10 QPF 12hr 0 0 0 0 0 Rain shwrs C C S Tstms C C Heat index 97103105 98 91 96101102 96 90 Max heat 103 105 95 101 102 94 Date 08/20 Thu 08/21/25 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 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 75 99 76 97 76 96 76 96 Temp 93 89 79 76 94 89 80 76 93 88 80 77 91 86 80 76 92 86 Dewpt 70 71 74 73 70 71 75 74 71 72 75 75 72 74 76 74 73 73 PWind dir NE SE E SE E SE E SE E Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW CL FW FW FW FW FW SC SC FW SC SC SC FW SC SC PoP 12hr 50 20 30 10 40 20 50 20 50 Rain shwrs S C S C C S S C S S C Tstms C C C S S C S C $$