938
FNCA52 TJSJ 290730
FWFSJU
FIRE WEATHER PLANNING FORECAST FOR PUERTO RICO
NATIONAL WEATHER SERVICE SAN JUAN PR
330 AM AST MON JUN 29 2026
DISCUSSION
NO FIRE DANGER IS EXPECTED TODAY.
PRZ014-292000-
SOUTHEAST COASTAL PLAINS-
330 AM AST MON JUN 29 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 70 20 10
TEMP (24H TREND) 91 (+1) 74 (-2) 91
RH % (24H TREND) 51 (-2) 89 (-2) 49
WIND 20FT/EARLY(MPH) SE 13 E 12 E 18
WIND 20FT/LATE(MPH) SE 14 E 10 SE 18
MIXING HGT(FT-AGL/MSL)4700 5120
TRANSPORT WND (MPH) SE 15 E 22
VENT RATE (KT-FT) 61100 97280
DISPERSION 5 5
DSI 6 3 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ015-292000-
SOUTHERN HILLS-
330 AM AST MON JUN 29 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 70 10 10
TEMP (24H TREND) 88 (+2) 70 (-3) 88
RH % (24H TREND) 64 (0) 99 (+3) 61
WIND 20FT/EARLY(MPH) SE 11 E 10 E 14
WIND 20FT/LATE(MPH) SE 11 E 12 SE 14
MIXING HGT(FT-AGL/MSL)5440 5680
TRANSPORT WND (MPH) SE 15 E 21
VENT RATE (KT-FT) 70720 102240
DISPERSION 5 5
DSI 6 3 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ016-292000-
NORTH COASTAL PLAINS-
330 AM AST MON JUN 29 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLEAR MCLEAR
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 80 20 10
TEMP (24H TREND) 91 (+1) 73 (-3) 91
RH % (24H TREND) 62 (-2) 99 (+2) 60
WIND 20FT/EARLY(MPH) E 13 E 12 E 14
WIND 20FT/LATE(MPH) E 16 E 11 E 19
MIXING HGT(FT-AGL/MSL)5380 6150
TRANSPORT WND (MPH) SE 12 E 18
VENT RATE (KT-FT) 53800 98400
DISPERSION 5 5
DSI 6 4 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ017-292000-
NORTHERN HILLS-
330 AM AST MON JUN 29 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE TSTMS NONE TSTMS
CHANCE PRECIP (%) 80 0 50
TEMP (24H TREND) 90 (+1) 71 (-2) 90
RH % (24H TREND) 66 (+3) 99 (0) 63
WIND 20FT/EARLY(MPH) SE 10 E 11 E 13
WIND 20FT/LATE(MPH) E 13 E 6 E 16
MIXING HGT(FT-AGL/MSL)6150 7130
TRANSPORT WND (MPH) SE 10 SE 15
VENT RATE (KT-FT) 55350 92690
DISPERSION 5 5
DSI 6 3 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ018-292000-
WEST COAST-
330 AM AST MON JUN 29 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE TSTMS NONE TSTMS
CHANCE PRECIP (%) 40 0 50
TEMP (24H TREND) 92 (+1) 73 (-2) 92
RH % (24H TREND) 62 (0) 99 (+2) 60
WIND 20FT/EARLY(MPH) SE 14 E 13 E 17
WIND 20FT/LATE(MPH) SE 16 E 11 SE 17
MIXING HGT(FT-AGL/MSL)4810 5230
TRANSPORT WND (MPH) SE 16 E 15
VENT RATE (KT-FT) 67340 67990
DISPERSION 5 5
DSI 6 4 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ019-292000-
EASTERN INTERIOR-
330 AM AST MON JUN 29 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLEAR MCLEAR
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 70 30 10
TEMP (24H TREND) 89 (+1) 72 (-3) 89
RH % (24H TREND) 64 (0) 99 (+1) 61
WIND 20FT/EARLY(MPH) SE 12 E 12 E 14
WIND 20FT/LATE(MPH) SE 13 E 14 SE 16
MIXING HGT(FT-AGL/MSL)6070 6250
TRANSPORT WND (MPH) SE 15 SE 20
VENT RATE (KT-FT) 78910 106250
DISPERSION 5 5
DSI 6 3 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ022-292000-
LUQUILLO MOUNTAIN RANGE-
330 AM AST MON JUN 29 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 70 30 10
TEMP (24H TREND) 85 (+4) 69 (-3) 85
RH % (24H TREND) 72 (-4) 100 (+1) 68
WIND 20FT/EARLY(MPH) SE 11 E 11 E 13
WIND 20FT/LATE(MPH) SE 12 E 11 SE 13
MIXING HGT(FT-AGL/MSL)4210 4870
TRANSPORT WND (MPH) SE 16 SE 21
VENT RATE (KT-FT) 58940 87660
DISPERSION 5 5
DSI 6 4 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ023-292000-
CENTRAL MOUNTAIN RANGE-
330 AM AST MON JUN 29 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY CLEAR PCLDY
PRECIP TYPE TSTMS NONE TSTMS
CHANCE PRECIP (%) 60 0 50
TEMP (24H TREND) 88 (+4) 68 (-3) 88
RH % (24H TREND) 69 (+3) 100 (+2) 66
WIND 20FT/EARLY(MPH) SE 10 SE 8 E 11
WIND 20FT/LATE(MPH) SE 10 E 5 SE 12
MIXING HGT(FT-AGL/MSL)6440 7050
TRANSPORT WND (MPH) SE 13 SE 14
VENT RATE (KT-FT) 70840 84600
DISPERSION 5 5
DSI 6 2 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ024-292000-
CAYEY MOUNTAIN RANGE-
330 AM AST MON JUN 29 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 70 20 10
TEMP (24H TREND) 84 (+1) 70 (-2) 84
RH % (24H TREND) 72 (+2) 100 (0) 69
WIND 20FT/EARLY(MPH) SE 10 E 9 E 13
WIND 20FT/LATE(MPH) SE 10 E 10 SE 13
MIXING HGT(FT-AGL/MSL)5080 5330
TRANSPORT WND (MPH) SE 15 E 22
VENT RATE (KT-FT) 66040 101270
DISPERSION 5 5
DSI 6 3 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ025-292000-
VIEQUES-
330 AM AST MON JUN 29 2026
TODAY TONIGHT TUE
CLOUD COVER MCLDY MCLEAR MCLEAR
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 70 0 20
TEMP (24H TREND) 89 (+1) 76 (-2) 89
RH % (24H TREND) 62 (-3) 92 (-1) 60
WIND 20FT/EARLY(MPH) SE 14 E 13 E 17
WIND 20FT/LATE(MPH) E 14 E 17 E 14
MIXING HGT(FT-AGL/MSL)3140 3670
TRANSPORT WND (MPH) SE 18 SE 18
VENT RATE (KT-FT) 50240 58720
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ026-292000-
CULEBRA-
330 AM AST MON JUN 29 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE TSTMS NONE SHOWERS
CHANCE PRECIP (%) 60 0 20
TEMP (24H TREND) 91 (+3) 77 (-2) 90
RH % (24H TREND) 62 (-6) 94 (+2) 61
WIND 20FT/EARLY(MPH) SE 14 E 13 E 17
WIND 20FT/LATE(MPH) E 14 E 17 E 16
MIXING HGT(FT-AGL/MSL)3000 3370
TRANSPORT WND (MPH) SE 20 SE 18
VENT RATE (KT-FT) 51000 53920
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ027-292000-
SOUTHWEST COASTAL PLAINS AND MONA ISLAND-
330 AM AST MON JUN 29 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 30 10 20
TEMP (24H TREND) 92 (+1) 75 (-2) 92
RH % (24H TREND) 50 (-2) 89 (-2) 48
WIND 20FT/EARLY(MPH) SE 17 E 18 E 23
WIND 20FT/LATE(MPH) SE 19 E 14 SE 24
MIXING HGT(FT-AGL/MSL)4790 5280
TRANSPORT WND (MPH) SE 18 E 24
VENT RATE (KT-FT) 76640 110880
DISPERSION 5 5
DSI 6 5 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
VIZ001-292000-
SAINT THOMAS AND SAINT JOHN-
330 AM AST MON JUN 29 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 60 10 20
TEMP (24H TREND) 87 (+1) 76 (-3) 87
RH % (24H TREND) 67 (-4) 94 (+3) 65
WIND 20FT/EARLY(MPH) SE 17 E 13 E 17
WIND 20FT/LATE(MPH) E 16 E 17 E 16
MIXING HGT(FT-AGL/MSL)3040 3300
TRANSPORT WND (MPH) SE 20 E 18
VENT RATE (KT-FT) 51680 52800
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
VIZ002-292000-
ST CROIX-
330 AM AST MON JUN 29 2026
TODAY TONIGHT TUE
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 60 10 20
TEMP (24H TREND) 88 (+1) 76 (-2) 88
RH % (24H TREND) 65 (-5) 95 (+2) 64
WIND 20FT/EARLY(MPH) E 17 E 12 E 16
WIND 20FT/LATE(MPH) E 16 E 16 E 16
MIXING HGT(FT-AGL/MSL)4570 4870
TRANSPORT WND (MPH) SE 22 E 24
VENT RATE (KT-FT) 86830 102270
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
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