402
FOUS54 KBRO 181736
PFMBRO
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1236 PM CDT MON MAY 18 2026
TXZ255-182100-
BROWNSVILLE-CAMERON TX
25.91N 97.42W ELEV. 22 FT
1236 PM CDT MON MAY 18 2026
DATE MON 05/18/26 TUE 05/19/26 WED 05/20/26
CDT 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 95 81 94 81 92
TEMP 93 93 86 84 83 82 82 87 93 94 88 84 83 81 81 85 90 91 86
DEWPT 75 76 77 77 77 77 76 76 75 76 77 78 78 77 77 75 74 73 74
RH 56 58 75 80 82 85 82 70 56 56 70 82 85 88 88 72 60 56 68
WIND DIR S SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE
WIND SPD 19 20 17 18 14 12 13 14 16 16 14 16 11 9 10 12 13 13 11
WIND GUST 28 25
CLOUDS SC SC B2 B2 B2 B2 B2 B1 SC SC B2 B2 B2 B2 B2 B1 SC SC SC
POP 12HR 10 10 5 20 10
QPF 12HR 0 0 0.01 0.03 0
RAIN SHWRS S S
TSTMS
HEAT INDEX 105106 97 93 92 97104106100 95 93 94 99100 95
MAX HEAT 105 107 93 91 104 106 95 92 99 101
WIND Y
DATE THU 05/21/26 FRI 05/22/26 SAT 05/23/26 SUN 05/24/26
CDT 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 79 90 78 90 78 90 77 89
TEMP 81 80 88 84 81 79 86 85 80 78 87 84 80 78 87 83
DEWPT 77 77 75 75 76 75 74 75 76 76 74 76 77 75 75 75
PWIND DIR SE SE SE SE SE SE SE SE
WIND CHAR GN GN GN GN LT GN LT GN
AVG CLOUDS B1 B2 B2 B2 B1 B2 B2 SC B1 B2 B2 B1 B1 B1 B2 B1
POP 12HR 10 30 50 50 40 50 40 40
RAIN SHWRS S C S C C C C C C C C C C C
TSTMS S S C C S C C C S S C S
TXZ255-182100-
HARLINGEN-CAMERON TX
26.23N 97.66W ELEV. 36 FT
1236 PM CDT MON MAY 18 2026
DATE MON 05/18/26 TUE 05/19/26 WED 05/20/26
CDT 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 96 79 95 79 93
TEMP 93 95 88 84 83 81 80 87 93 94 88 84 83 80 79 85 90 92 87
DEWPT 74 75 76 77 77 76 75 76 74 75 76 77 78 77 76 76 74 73 73
RH 54 53 68 80 82 85 85 70 54 54 68 80 85 91 91 75 60 54 63
WIND DIR S SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE
WIND SPD 28 28 20 21 17 13 14 18 19 19 18 18 12 11 11 14 16 16 16
WIND GUST 40 40 27
CLOUDS SC SC B1 B2 B2 B2 B2 B1 SC SC B1 B1 B2 B2 B2 B1 SC SC SC
POP 12HR 10 10 5 40 10
QPF 12HR 0 0.01 0 0.09 0
RAIN SHWRS C C
TSTMS
HEAT INDEX 104107 99 93 92 97104106 98 93 92 94100101 95
MAX HEAT 104 108 95 90 104 107 94 90 100 101
WIND Y
DATE THU 05/21/26 FRI 05/22/26 SAT 05/23/26 SUN 05/24/26
CDT 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 77 91 76 90 75 89 75 89
TEMP 80 78 88 85 79 76 86 85 78 76 86 83 78 75 86 83
DEWPT 76 76 75 74 76 74 73 74 75 74 74 75 76 74 75 75
PWIND DIR SE SE SE SE SE SE SE SE
WIND CHAR GN GN LT GN LT GN LT GN
AVG CLOUDS B1 B2 B2 B2 B1 B2 B2 B1 B1 B2 B2 B1 SC B1 B2 B1
POP 12HR 10 40 60 60 40 60 50 50
RAIN SHWRS S C C L C L C C C L C C C C
TSTMS S S S C C C S S C S S C C
TXZ253-182100-
MCALLEN-HIDALGO TX
26.18N 98.24W ELEV. 107 FT
1236 PM CDT MON MAY 18 2026
DATE MON 05/18/26 TUE 05/19/26 WED 05/20/26
CDT 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 97 81 97 79 94
TEMP 94 97 92 84 83 81 81 86 94 96 91 85 82 80 79 84 91 93 89
DEWPT 74 74 74 77 77 76 76 75 74 73 73 76 78 76 76 75 74 72 71
RH 53 48 56 80 82 85 85 70 53 48 56 75 88 88 91 74 58 51 56
WIND DIR SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE
WIND SPD 17 19 19 19 17 14 14 17 18 17 17 16 13 11 12 13 14 14 14
WIND GUST 29 27 25
CLOUDS B1 SC B1 B1 B2 B2 B2 B2 B1 SC B1 B2 B2 B2 B2 B1 SC SC SC
POP 12HR 10 20 5 30 20
QPF 12HR 0 0.06 0 0.06 0
RAIN SHWRS C C S S
TSTMS S
HEAT INDEX 104109103 94 91 95104106 99 94 91 92100102 95
MAX HEAT 104 109 98 91 104 107 97 90 100 102
DATE THU 05/21/26 FRI 05/22/26 SAT 05/23/26 SUN 05/24/26
CDT 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 78 92 75 90 75 89 75 89
TEMP 80 78 88 85 78 76 86 85 77 76 86 84 77 75 86 84
DEWPT 76 76 74 74 75 74 73 74 75 74 74 75 76 74 75 75
PWIND DIR SE SE SE SE SE SE SE SE
WIND CHAR GN GN LT LT LT LT LT LT
AVG CLOUDS B1 B2 B2 B2 B1 B2 B2 B1 B1 B2 B2 B1 B1 B1 B2 B1
POP 12HR 20 50 70 50 50 60 50 40
RAIN SHWRS S S C L L C C C C C L C C S C
TSTMS S S C S S C C S S C C S S C
TXZ355-182100-
BAYVIEW/PORT ISABEL-CAMERON TX
26.16N 97.34W ELEV. 19 FT
1236 PM CDT MON MAY 18 2026
DATE MON 05/18/26 TUE 05/19/26 WED 05/20/26
CDT 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 93 80 92 80 90
TEMP 91 91 85 83 82 81 81 86 90 90 84 83 82 81 80 84 88 90 84
DEWPT 77 78 78 78 77 77 76 77 77 78 79 78 78 77 76 77 76 76 76
RH 64 66 80 85 85 88 85 75 66 68 85 85 88 88 88 80 68 64 77
WIND DIR S SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE
WIND SPD 26 27 18 18 14 11 12 16 17 17 16 14 10 9 10 12 14 14 12
WIND GUST 36 39
CLOUDS B1 B1 B2 B2 B1 B2 B2 B1 B1 SC B2 B1 B1 B2 B2 B1 SC SC B1
POP 12HR 10 10 5 30 10
QPF 12HR 0 0 0 0.04 0
RAIN SHWRS C C
TSTMS
HEAT INDEX 105107 96 93 91 97103104 95 94 92 94 99101 94
MAX HEAT 105 108 94 90 103 106 94 90 99 101
WIND Y
DATE THU 05/21/26 FRI 05/22/26 SAT 05/23/26 SUN 05/24/26
CDT 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 79 89 77 89 77 89 77 88
TEMP 81 80 86 83 80 78 85 83 79 78 85 83 79 77 85 82
DEWPT 77 77 77 76 76 75 75 76 76 75 76 77 77 75 76 76
PWIND DIR SE SE SE SE SE SE SE SE
WIND CHAR GN GN LT GN LT GN LT GN
AVG CLOUDS B1 B2 B2 B2 B1 B2 B2 B1 B1 B2 B2 B1 B1 B1 B2 B1
POP 12HR 10 30 50 60 40 50 50 40
RAIN SHWRS S C S C L C C C C C C C C C
TSTMS S C C S C S C S S C S
TXZ249-182100-
HEBBRONVILLE-JIM HOGG TX
27.35N 98.74W ELEV. 663 FT
1236 PM CDT MON MAY 18 2026
DATE MON 05/18/26 TUE 05/19/26 WED 05/20/26
CDT 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 95 79 95 76 91
TEMP 91 95 92 84 81 80 79 82 90 94 90 81 78 77 77 80 87 90 86
DEWPT 75 74 75 77 78 77 76 77 76 74 75 78 78 76 75 78 77 76 76
RH 60 51 58 80 91 91 91 85 64 53 62 91100 97 94 94 72 64 72
WIND DIR S SE SE SE SE SE SE SE SE SE E SE SE E SE SE SE SE E
WIND SPD 17 17 13 13 12 12 12 13 13 13 13 11 9 8 9 10 10 11 10
WIND GUST 24 24 24 23
CLOUDS B1 SC SC B2 B2 B2 B2 B2 SC B1 B1 B2 B1 B2 B2 B1 SC SC B1
POP 12HR 10 20 5 40 50
QPF 12HR 0.01 0.02 0.02 0.09 0.06
RAIN SHWRS C C C C C
TSTMS C S S S
HEAT INDEX 102106103 94 90102104100 99101 95
MAX HEAT 102 106 99 102 104 95 99 102
DATE THU 05/21/26 FRI 05/22/26 SAT 05/23/26 SUN 05/24/26
CDT 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 74 87 72 86 72 85 72 85
TEMP 76 75 84 83 75 73 82 82 75 73 82 81 75 74 82 82
DEWPT 76 75 76 76 75 73 75 76 74 73 76 77 75 73 76 77
PWIND DIR SE SE SE SE SE SE SE SE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS B1 B2 B2 B1 B1 B2 B1 B1 SC B1 B2 B1 B1 B1 B2 B1
POP 12HR 30 60 80 50 50 60 50 40
RAIN SHWRS C C C L D L C C C C C L C C S C
TSTMS S S S C C C C C S S C C S S C
TXZ250-182100-
FALFURRIAS-BROOKS TX
27.21N 98.12W ELEV. 113 FT
1236 PM CDT MON MAY 18 2026
DATE MON 05/18/26 TUE 05/19/26 WED 05/20/26
CDT 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 96 79 94 77 92
TEMP 93 95 90 83 82 81 80 85 93 93 87 81 80 78 77 83 89 91 86
DEWPT 74 74 77 78 78 77 76 76 75 75 78 79 78 76 76 77 76 75 77
RH 54 51 66 85 88 88 88 75 56 56 75 94 94 94 97 82 66 60 75
WIND DIR S SE SE SE SE SE SE SE SE SE SE SE SE E SE SE SE SE E
WIND SPD 17 14 14 14 12 11 12 13 14 14 14 11 8 8 8 11 11 12 11
WIND GUST 25 26 23 23 21
CLOUDS B1 B1 B2 B2 B2 B1 B2 B1 SC B1 SC B2 B2 B2 B2 SC SC SC B1
POP 12HR 10 10 5 50 40
QPF 12HR 0 0.03 0.01 0.12 0.03
RAIN SHWRS C C C C S
TSTMS C S
HEAT INDEX 104106104 93 90 95104105100 90 91100101 96
MAX HEAT 104 109 99 104 106 95 100 102
DATE THU 05/21/26 FRI 05/22/26 SAT 05/23/26 SUN 05/24/26
CDT 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 75 88 73 87 73 86 73 86
TEMP 77 76 86 83 75 74 84 82 75 74 84 81 75 74 84 82
DEWPT 77 76 76 77 75 74 74 77 75 74 75 78 75 74 75 78
PWIND DIR SE SE SE SE SE SE E SE
WIND CHAR LT GN LT LT LT LT LT LT
AVG CLOUDS B1 B2 B2 B2 B1 B2 B2 B1 SC B2 B2 B2 B1 B1 B2 B1
POP 12HR 20 60 80 60 50 70 50 50
RAIN SHWRS S S C L D D C L C C C L C C C C
TSTMS S C C C S C C S S C C C S C
TXZ253-182100-
EDINBURG-HIDALGO TX
26.44N 98.13W ELEV. 75 FT
1236 PM CDT MON MAY 18 2026
DATE MON 05/18/26 TUE 05/19/26 WED 05/20/26
CDT 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 97 80 97 78 94
TEMP 94 95 91 83 82 81 80 86 94 95 90 83 81 79 79 83 90 93 88
DEWPT 73 73 74 77 77 75 76 74 72 72 73 77 77 76 76 75 73 72 72
RH 51 49 58 82 85 82 88 68 49 48 58 82 88 91 91 77 58 51 59
WIND DIR S SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE
WIND SPD 17 17 18 18 14 13 13 17 17 17 17 14 11 10 10 13 13 13 14
WIND GUST 28 26 24
CLOUDS SC SC B1 B2 B2 B2 B2 B2 B1 SC B1 B2 B2 B1 B1 B1 SC SC SC
POP 12HR 10 10 5 30 20
QPF 12HR 0 0.03 0 0.08 0.02
RAIN SHWRS C C S S
TSTMS S
HEAT INDEX 103105100 93 94102104 98 92 91 98100 95
MAX HEAT 103 106 97 102 105 95 98 100
DATE THU 05/21/26 FRI 05/22/26 SAT 05/23/26 SUN 05/24/26
CDT 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 76 91 74 89 73 88 73 88
TEMP 78 77 87 85 77 75 85 84 76 75 85 83 76 74 85 83
DEWPT 75 76 74 74 75 74 73 75 74 74 74 75 75 74 74 75
PWIND DIR SE SE SE SE SE SE SE SE
WIND CHAR GN GN LT LT LT LT LT LT
AVG CLOUDS B1 B2 B2 B2 B1 B2 B2 B1 SC B2 B2 B1 B1 B1 B2 B1
POP 12HR 20 40 70 60 50 60 50 40
RAIN SHWRS S S C L L C L C C C L C C S C
TSTMS S S C S S C C S S C C S S C
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