607
FNCA52 TJSJ 291930
FWFSJU
FIRE WEATHER PLANNING FORECAST FOR PUERTO RICO
NATIONAL WEATHER SERVICE SAN JUAN PR
330 PM AST MON JUN 29 2026
DISCUSSION
NO FIRE DANGER IS EXPECTED TODAY.
PRZ014-300800-
SOUTHEAST COASTAL PLAINS-
330 PM AST MON JUN 29 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR MCLEAR MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 10 10 10
TEMP (24H TREND) 74 (-2) 91 (+2) 73 91
RH % (24H TREND) 89 (-2) 49 (-9) 90 53
WIND 20FT/EARLY(MPH) E 12 E 18 E 13 E 16
WIND 20FT/LATE(MPH) E 10 SE 18 E 11 E 16
MIXING HGT(FT-AGL/MSL) 5120 4740
TRANSPORT WND (MPH) E 22 E 18
VENT RATE (KT-FT) 97280 75840
DISPERSION 5 5
DSI 4 6 4 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ015-300800-
SOUTHERN HILLS-
330 PM AST MON JUN 29 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR MCLEAR MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 10 10 0 10
TEMP (24H TREND) 70 (-3) 88 (+3) 70 88
RH % (24H TREND) 99 (+3) 61 (-10) 98 62
WIND 20FT/EARLY(MPH) E 10 E 14 E 10 E 13
WIND 20FT/LATE(MPH) E 12 SE 14 E 10 SE 13
MIXING HGT(FT-AGL/MSL) 5680 5660
TRANSPORT WND (MPH) E 21 E 18
VENT RATE (KT-FT) 102240 90560
DISPERSION 5 5
DSI 3 6 4 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ016-300800-
NORTH COASTAL PLAINS-
330 PM AST MON JUN 29 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR MCLEAR PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 10 20 20
TEMP (24H TREND) 73 (-3) 91 (+1) 73 91
RH % (24H TREND) 99 (+2) 60 (-8) 98 61
WIND 20FT/EARLY(MPH) E 12 E 14 E 13 E 14
WIND 20FT/LATE(MPH) E 11 E 19 E 9 E 18
MIXING HGT(FT-AGL/MSL) 6150 5330
TRANSPORT WND (MPH) E 18 E 17
VENT RATE (KT-FT) 98400 79950
DISPERSION 5 5
DSI 4 6 5 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ017-300800-
NORTHERN HILLS-
330 PM AST MON JUN 29 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 0 50 0 30
TEMP (24H TREND) 71 (-2) 90 (+1) 71 89
RH % (24H TREND) 99 (0) 63 (-6) 99 64
WIND 20FT/EARLY(MPH) E 11 E 13 SE 11 E 12
WIND 20FT/LATE(MPH) E 6 E 16 E 6 E 14
MIXING HGT(FT-AGL/MSL) 7130 6410
TRANSPORT WND (MPH) SE 15 E 15
VENT RATE (KT-FT) 92690 83330
DISPERSION 5 5
DSI 3 6 3 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ018-300800-
WEST COAST-
330 PM AST MON JUN 29 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR PCLDY MCLEAR PCLDY
PRECIP TYPE NONE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 0 60 10 40
TEMP (24H TREND) 73 (-2) 92 (+1) 73 92
RH % (24H TREND) 99 (+2) 60 (-7) 98 61
WIND 20FT/EARLY(MPH) E 13 E 17 SE 13 E 17
WIND 20FT/LATE(MPH) E 11 SE 17 E 12 E 17
MIXING HGT(FT-AGL/MSL) 5230 5110
TRANSPORT WND (MPH) E 15 SE 17
VENT RATE (KT-FT) 67990 76650
DISPERSION 5 5
DSI 4 6 5 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ019-300800-
EASTERN INTERIOR-
330 PM AST MON JUN 29 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 30 10 20 20
TEMP (24H TREND) 72 (-3) 89 (+2) 71 89
RH % (24H TREND) 99 (+1) 61 (-8) 99 62
WIND 20FT/EARLY(MPH) E 12 E 14 E 11 E 14
WIND 20FT/LATE(MPH) E 14 SE 16 E 11 E 14
MIXING HGT(FT-AGL/MSL) 6250 6270
TRANSPORT WND (MPH) SE 20 SE 17
VENT RATE (KT-FT) 106250 94050
DISPERSION 5 5
DSI 3 6 4 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ022-300800-
LUQUILLO MOUNTAIN RANGE-
330 PM AST MON JUN 29 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLEAR PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 30 10 30 30
TEMP (24H TREND) 69 (-3) 85 (+4) 69 85
RH % (24H TREND) 100 (+1) 68 (-12) 100 69
WIND 20FT/EARLY(MPH) E 11 E 13 E 10 E 12
WIND 20FT/LATE(MPH) E 11 SE 13 E 9 E 12
MIXING HGT(FT-AGL/MSL) 4870 3920
TRANSPORT WND (MPH) SE 21 SE 18
VENT RATE (KT-FT) 87660 62720
DISPERSION 5 5
DSI 4 6 6 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ023-300800-
CENTRAL MOUNTAIN RANGE-
330 PM AST MON JUN 29 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER CLEAR PCLDY MCLEAR PCLDY
PRECIP TYPE NONE TSTMS NONE TSTMS
CHANCE PRECIP (%) 0 50 0 30
TEMP (24H TREND) 68 (-3) 88 (+5) 67 88
RH % (24H TREND) 100 (+2) 66 (-10) 99 68
WIND 20FT/EARLY(MPH) SE 8 E 11 SE 9 E 11
WIND 20FT/LATE(MPH) E 5 SE 12 E 6 E 11
MIXING HGT(FT-AGL/MSL) 7050 6840
TRANSPORT WND (MPH) SE 14 SE 16
VENT RATE (KT-FT) 84600 95760
DISPERSION 5 5
DSI 2 6 2 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ024-300800-
CAYEY MOUNTAIN RANGE-
330 PM AST MON JUN 29 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLEAR PCLDY MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 10 20 20
TEMP (24H TREND) 70 (-2) 84 (+2) 70 84
RH % (24H TREND) 100 (0) 69 (-8) 100 70
WIND 20FT/EARLY(MPH) E 9 E 13 E 9 E 11
WIND 20FT/LATE(MPH) E 10 SE 13 E 8 E 11
MIXING HGT(FT-AGL/MSL) 5330 4800
TRANSPORT WND (MPH) E 22 E 18
VENT RATE (KT-FT) 101270 76800
DISPERSION 5 5
DSI 3 6 4 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ025-300800-
VIEQUES-
330 PM AST MON JUN 29 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 0 20 30 30
TEMP (24H TREND) 76 (-2) 89 (+1) 76 89
RH % (24H TREND) 92 (-1) 60 (-7) 91 60
WIND 20FT/EARLY(MPH) E 13 E 17 E 13 E 16
WIND 20FT/LATE(MPH) E 17 E 14 E 13 E 16
MIXING HGT(FT-AGL/MSL) 3670 2910
TRANSPORT WND (MPH) SE 18 E 18
VENT RATE (KT-FT) 58720 46560
DISPERSION 5 5
DSI 6 6 6 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ026-300800-
CULEBRA-
330 PM AST MON JUN 29 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 0 10 30 30
TEMP (24H TREND) 77 (-2) 90 (+2) 77 90
RH % (24H TREND) 94 (+2) 61 (-9) 93 60
WIND 20FT/EARLY(MPH) E 13 E 17 E 13 E 16
WIND 20FT/LATE(MPH) E 17 E 16 E 13 E 16
MIXING HGT(FT-AGL/MSL) 3370 2870
TRANSPORT WND (MPH) SE 18 E 20
VENT RATE (KT-FT) 53920 48790
DISPERSION 5 5
DSI 6 6 6 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ027-300800-
SOUTHWEST COASTAL PLAINS AND MONA ISLAND-
330 PM AST MON JUN 29 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR MCLEAR MCLEAR
PRECIP TYPE SHOWERS SHOWERS NONE SHOWERS
CHANCE PRECIP (%) 10 20 0 20
TEMP (24H TREND) 75 (-2) 92 (+2) 74 92
RH % (24H TREND) 89 (-2) 48 (-9) 90 51
WIND 20FT/EARLY(MPH) E 18 E 23 E 18 E 23
WIND 20FT/LATE(MPH) E 14 SE 24 E 16 SE 23
MIXING HGT(FT-AGL/MSL) 5280 4860
TRANSPORT WND (MPH) E 24 E 24
VENT RATE (KT-FT) 110880 102060
DISPERSION 5 5
DSI 5 6 5 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
VIZ001-300800-
SAINT THOMAS AND SAINT JOHN-
330 PM AST MON JUN 29 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 10 20 30 30
TEMP (24H TREND) 76 (-3) 87 (+1) 76 87
RH % (24H TREND) 94 (+3) 65 (-7) 93 64
WIND 20FT/EARLY(MPH) E 13 E 17 E 14 E 17
WIND 20FT/LATE(MPH) E 17 E 16 E 13 E 16
MIXING HGT(FT-AGL/MSL) 3300 2950
TRANSPORT WND (MPH) E 18 E 20
VENT RATE (KT-FT) 52800 50150
DISPERSION 5 5
DSI 6 6 6 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
VIZ002-300800-
ST CROIX-
330 PM AST MON JUN 29 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 10 20 30 20
TEMP (24H TREND) 76 (-2) 88 (+1) 76 88
RH % (24H TREND) 95 (+2) 64 (-6) 94 64
WIND 20FT/EARLY(MPH) E 12 E 16 E 13 E 16
WIND 20FT/LATE(MPH) E 16 E 16 E 13 E 16
MIXING HGT(FT-AGL/MSL) 4870 4640
TRANSPORT WND (MPH) E 24 E 21
VENT RATE (KT-FT) 102270 83520
DISPERSION 5 5
DSI 6 6 6 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
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