Point Forecast Matrices
Issued by NWS Brownsville, TX
Issued by NWS Brownsville, TX
418 FOUS54 KBRO 171740 PFMBRO Point Forecast Matrices National Weather Service Brownsville TX 1240 PM CDT Sun Aug 17 2025 TXZ255-180900- Brownsville-Cameron TX 25.91N 97.42W Elev. 22 ft 1240 PM CDT Sun Aug 17 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 78 97 77 Temp 94 89 84 82 80 79 87 94 94 88 84 82 80 79 87 94 94 89 84 81 80 78 Dewpt 74 75 77 77 77 77 76 74 74 75 77 77 76 76 76 73 73 74 76 77 76 76 RH 53 64 80 85 91 94 70 53 53 66 80 85 88 91 70 51 51 61 77 88 88 94 Wind dir E E SE SE SE E SE E E E E SE S NE E E E E E SE SW W Wind spd 11 10 5 4 2 2 3 8 10 9 4 2 1 1 2 5 10 9 3 1 1 2 Clouds CL FW FW FW FW FW FW FW CL CL FW CL FW FW FW FW FW FW CL CL CL FW PoP 12hr 0 10 0 20 10 QPF 12hr 0 0 0 0 0 Rain shwrs S S S S S Tstms S S S Heat index 104 99 94 90 98104105 98 94 90 97103103 97 93 Max heat 106 96 91 104 105 96 103 104 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 96 77 97 78 96 78 95 78 95 Temp 93 89 82 78 94 89 82 79 94 89 83 79 93 88 83 79 92 87 Dewpt 73 74 76 76 72 74 76 75 73 74 76 75 73 75 77 76 74 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 FW CL CL FW FW FW FW FW FW FW FW SC SC SC SC SC SC PoP 12hr 20 5 10 10 20 20 30 30 40 Rain shwrs S S S S S C S C C C Tstms S S S S S C S S C $$ TXZ255-180900- Harlingen-Cameron TX 26.23N 97.66W Elev. 36 ft 1240 PM CDT Sun Aug 17 2025 Date 08/17/25 Mon 08/18/25 Tue 08/19/25 Wed CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 75 97 74 97 73 Temp 95 90 82 80 77 76 87 94 95 90 82 79 77 75 86 94 95 89 82 79 76 74 Dewpt 74 74 77 77 76 75 77 74 73 74 76 77 75 74 77 73 72 73 76 76 75 74 RH 51 60 85 91 97 97 72 53 49 60 82 94 94 97 75 51 48 59 82 91 97100 Wind dir E E SE SE SE E SE E E E E SE S NE E E E E E SE SW W Wind spd 14 14 9 5 2 2 3 10 12 12 5 2 1 1 2 6 11 11 3 1 1 2 Clouds FW FW FW FW FW FW FW FW FW FW CL CL CL FW FW FW FW FW CL CL CL FW PoP 12hr 0 10 0 20 5 QPF 12hr 0 0 0 0 0 Rain shwrs S S S Tstms S S Heat index 105 99 90 99104105 99 90 96102104 98 Max heat 106 96 104 105 95 102 104 95 Date 08/20 Thu 08/21/25 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 98 74 98 74 98 74 97 75 95 Temp 93 90 79 74 94 90 79 74 94 90 80 75 93 89 80 75 91 88 Dewpt 72 72 76 74 72 72 76 74 72 73 76 75 73 74 77 75 74 75 PWind dir NE SE NE SE SE SE SE SE SE Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW CL CL FW FW FW FW FW FW FW FW SC SC SC FW SC SC PoP 12hr 20 5 20 10 30 10 40 20 40 Rain shwrs S S S C S C S S C C Tstms S S S C S C S S S C $$ TXZ253-180900- McAllen-Hidalgo TX 26.18N 98.24W Elev. 107 ft 1240 PM CDT Sun Aug 17 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 78 102 78 101 77 Temp 100 95 87 83 80 79 87 96100 95 87 83 80 78 87 95 99 94 86 83 80 78 Dewpt 70 72 74 76 76 76 76 71 69 71 73 76 76 76 75 70 68 70 73 75 75 75 RH 38 48 65 80 88 91 70 45 37 46 63 80 88 94 68 45 37 46 65 77 85 91 Wind dir E E SE SE SE SE SE E E E SE SE S E SE E E E E SE S SE Wind spd 13 17 12 9 5 3 5 8 10 13 10 5 2 1 1 5 9 12 8 3 2 1 Clouds FW FW CL FW FW FW FW CL FW CL FW CL CL FW CL FW FW FW CL CL CL CL PoP 12hr 0 5 0 20 10 QPF 12hr 0 0 0 0 0 Rain shwrs S S Tstms S S Heat index 108102 94 91 98104107102 95 91 97102105 99 93 Max heat 108 99 104 108 99 102 105 97 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 101 78 101 78 100 78 100 78 98 Temp 95 94 83 78 96 94 83 79 95 93 83 79 94 91 83 79 93 90 Dewpt 69 69 74 74 69 69 74 74 70 71 75 75 71 72 76 75 73 73 PWind dir E SE E SE E SE E SE SE Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW CL FW FW FW FW FW FW FW FW FW SC SC FW SC SC PoP 12hr 20 10 20 10 30 20 40 20 40 Rain shwrs S S C S C S S C Tstms S S C S C S C $$ TXZ355-180900- Bayview/Port Isabel-Cameron TX 26.16N 97.34W Elev. 19 ft 1240 PM CDT Sun Aug 17 2025 Date 08/17/25 Mon 08/18/25 Tue 08/19/25 Wed CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 78 92 77 92 76 Temp 91 87 84 81 80 78 87 90 91 87 83 82 80 77 87 91 91 86 83 81 79 77 Dewpt 79 79 79 79 78 77 78 79 78 78 78 78 78 77 78 77 77 77 78 77 77 76 RH 68 77 85 94 94 97 75 70 66 75 85 88 94100 75 64 64 75 85 88 94 97 Wind dir E E SE SE S SE E E E E E SE S NW NE E E E E SE S W Wind spd 12 10 6 4 2 2 3 10 11 9 4 2 1 1 2 9 10 9 3 1 1 2 Clouds FW FW FW FW FW FW SC FW CL CL FW FW FW FW FW FW FW FW CL CL CL FW PoP 12hr 0 10 0 20 10 QPF 12hr 0 0 0 0 0 Rain shwrs S S S Tstms S Heat index 106100 95 91 100105105100 93 90 99104104 97 93 Max heat 106 97 90 105 106 96 104 105 96 Date 08/20 Thu 08/21/25 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 93 77 94 77 94 77 93 77 93 Temp 90 87 82 77 91 87 82 77 91 87 82 78 90 86 82 78 89 86 Dewpt 77 77 77 76 76 76 77 75 76 77 77 76 77 78 78 76 78 78 PWind dir NE SE NE SE SE SE SE SE SE Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW CL FW FW FW FW FW FW FW FW SC SC SC SC SC SC PoP 12hr 20 5 10 10 20 10 30 20 30 Rain shwrs S S S C S C C Tstms S S S C S S C $$ TXZ249-180900- Hebbronville-Jim Hogg TX 27.35N 98.74W Elev. 663 ft 1240 PM CDT Sun Aug 17 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 75 100 74 99 74 Temp 99 93 84 79 76 75 85 94 99 94 84 79 76 75 86 95 97 92 84 79 76 75 Dewpt 68 74 77 78 76 75 76 70 67 71 75 77 76 74 76 69 66 72 75 75 74 73 RH 37 54 80 97100100 75 46 36 47 74 94100 97 72 43 36 52 74 88 94 94 Wind dir SE SE SE SE SE SE SE SE E E SE SE S S SE E E E SE SE S S Wind spd 12 14 11 9 5 3 5 8 10 12 9 5 3 1 2 4 6 10 5 3 2 1 Clouds FW FW FW FW FW FW FW CL FW FW FW CL CL CL CL FW SC SC FW FW FW CL PoP 12hr 0 5 0 20 20 QPF 12hr 0 0 0 0 0 Rain shwrs S S S S S S Tstms S S S Heat index 104103 93 95101104102 93 96100101100 92 Max heat 104 98 101 104 98 100 101 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 99 74 99 75 95 74 94 74 94 Temp 95 93 79 75 94 92 79 75 93 89 79 75 91 88 78 75 90 88 Dewpt 69 71 75 73 69 71 76 74 70 73 77 75 72 74 77 74 73 75 PWind dir E SE E SE E SE E SE E Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW SC SC FW FW SC SC FW SC SC SC FW SC SC PoP 12hr 30 20 30 30 40 30 40 20 40 Rain shwrs C S C C S C C S C S C Tstms S S C S C S C S C $$ TXZ250-180900- Falfurrias-Brooks TX 27.21N 98.12W Elev. 113 ft 1240 PM CDT Sun Aug 17 2025 Date 08/17/25 Mon 08/18/25 Tue 08/19/25 Wed CDT 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 75 99 74 98 74 Temp 98 91 83 80 77 75 86 96 98 92 83 79 77 75 87 95 96 91 82 79 76 74 Dewpt 73 75 78 79 77 75 78 72 72 74 77 78 77 75 77 70 71 73 75 76 75 74 RH 45 60 85 97100100 77 46 43 56 82 97100100 72 45 45 56 79 91 97100 Wind dir SE SE SE SE S SE SE E E E SE SE S N SE E E E SE SE S SW Wind spd 11 12 8 4 2 1 3 6 10 10 5 2 1 0 1 5 5 8 2 1 1 1 Clouds FW FW FW SC FW SC FW FW FW FW FW FW CL FW FW FW SC FW FW FW CL FW PoP 12hr 0 5 0 30 20 QPF 12hr 0 0 0 0.01 0 Rain shwrs C C S S Tstms C C Heat index 108102 92 99105107101 91 98102103100 90 Max heat 108 98 105 107 98 102 103 97 Date 08/20 Thu 08/21/25 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 CDT 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 98 74 98 75 95 76 95 74 93 Temp 95 92 79 75 94 91 79 75 93 89 80 76 92 89 79 75 91 87 Dewpt 71 73 76 73 70 74 77 74 72 76 77 75 73 76 77 75 74 77 PWind dir NE S E SE SE SE SE SE E Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW FW FW FW FW FW FW SC SC FW SC SC SC FW SC B1 PoP 12hr 30 10 30 20 40 20 50 20 40 Rain shwrs C C S S C S S C S S S C Tstms C C C S S C S S C $$ TXZ253-180900- Edinburg-Hidalgo TX 26.44N 98.13W Elev. 75 ft 1240 PM CDT Sun Aug 17 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 76 100 75 Temp 98 91 84 81 78 77 87 94 98 91 84 80 78 76 87 94 97 91 83 80 77 75 Dewpt 71 72 75 76 76 75 76 72 70 71 75 76 75 74 75 70 68 70 73 75 74 73 RH 42 54 74 85 94 94 70 49 41 52 74 88 91 94 68 46 39 50 72 85 90 94 Wind dir E E SE SE SE E SE E E E E SE S N SE E E E E SE S N Wind spd 13 14 10 5 3 1 4 8 11 12 6 3 1 0 1 4 10 11 4 1 1 0 Clouds FW FW CL CL FW FW SC CL FW FW CL CL CL CL FW CL FW FW FW CL CL CL PoP 12hr 0 10 0 30 10 QPF 12hr 0 0 0 0.01 0 Rain shwrs C C Tstms C C Heat index 106 99 91 97103106 98 91 97101103 97 Max heat 106 95 103 106 95 101 103 95 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 99 75 100 75 98 76 98 76 96 Temp 94 92 80 76 94 92 80 76 94 91 81 77 93 89 80 77 91 88 Dewpt 69 70 74 73 70 70 74 74 71 71 75 75 71 73 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 CL FW FW FW FW FW SC FW FW SC SC SC FW SC SC PoP 12hr 20 10 30 10 30 20 50 20 50 Rain shwrs S C C S C S S C Tstms S C C S C S C $$