425
FNCA52 TJSJ 080730
FWFSJU
FIRE WEATHER PLANNING FORECAST FOR PUERTO RICO
NATIONAL WEATHER SERVICE SAN JUAN PR
330 AM AST WED APR 8 2026
DISCUSSION
NO FIRE DANGER IS EXPECTED TODAY.
PRZ014-082000-
SOUTHEAST COASTAL PLAINS-
330 AM AST WED APR 8 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 50 10 20
TEMP (24H TREND) 88 (+3) 71 (-2) 88
RH % (24H TREND) 55 (-15) 93 (+3) 53
WIND 20FT/EARLY(MPH) E 17 E 11 E 14
WIND 20FT/LATE(MPH) SE 16 E 11 SE 14
MIXING HGT(FT-AGL/MSL)4270 4460
TRANSPORT WND (MPH) SE 15 E 17
VENT RATE (KT-FT) 55510 66900
DISPERSION 5 5
DSI 6 4 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ015-082000-
SOUTHERN HILLS-
330 AM AST WED APR 8 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 50 10 30
TEMP (24H TREND) 84 (+4) 68 (-3) 84
RH % (24H TREND) 65 (-11) 97 (+4) 63
WIND 20FT/EARLY(MPH) SE 13 E 10 E 11
WIND 20FT/LATE(MPH) SE 13 E 10 SE 11
MIXING HGT(FT-AGL/MSL)4850 5110
TRANSPORT WND (MPH) SE 15 E 16
VENT RATE (KT-FT) 63050 71540
DISPERSION 5 5
DSI 6 3 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ016-082000-
NORTH COASTAL PLAINS-
330 AM AST WED APR 8 2026
TODAY TONIGHT THU
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 40 30 40
TEMP (24H TREND) 89 (+2) 70 (-2) 88
RH % (24H TREND) 59 (-7) 99 (+4) 60
WIND 20FT/EARLY(MPH) SE 14 SE 11 E 12
WIND 20FT/LATE(MPH) E 14 E 10 E 18
MIXING HGT(FT-AGL/MSL)4930 4640
TRANSPORT WND (MPH) SE 12 E 14
VENT RATE (KT-FT) 49300 55680
DISPERSION 5 5
DSI 6 4 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ017-082000-
NORTHERN HILLS-
330 AM AST WED APR 8 2026
TODAY TONIGHT THU
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 60 10 60
TEMP (24H TREND) 89 (+4) 68 (-3) 88
RH % (24H TREND) 59 (-7) 98 (+4) 60
WIND 20FT/EARLY(MPH) SE 11 SE 9 E 10
WIND 20FT/LATE(MPH) SE 13 E 6 E 16
MIXING HGT(FT-AGL/MSL)5310 5500
TRANSPORT WND (MPH) SE 9 SE 12
VENT RATE (KT-FT) 42480 55000
DISPERSION 5 5
DSI 5 2 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ018-082000-
WEST COAST-
330 AM AST WED APR 8 2026
TODAY TONIGHT THU
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE SHOWERS NONE TSTMS
CHANCE PRECIP (%) 20 0 50
TEMP (24H TREND) 89 (+2) 71 (-1) 89
RH % (24H TREND) 60 (-8) 98 (+5) 60
WIND 20FT/EARLY(MPH) E 17 E 10 E 13
WIND 20FT/LATE(MPH) E 16 E 10 E 13
MIXING HGT(FT-AGL/MSL)4450 4710
TRANSPORT WND (MPH) SE 16 E 12
VENT RATE (KT-FT) 62300 47100
DISPERSION 5 5
DSI 6 3 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ019-082000-
EASTERN INTERIOR-
330 AM AST WED APR 8 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 40 40 40
TEMP (24H TREND) 86 (+4) 70 (-2) 85
RH % (24H TREND) 64 (-8) 100 (+5) 63
WIND 20FT/EARLY(MPH) SE 14 E 11 E 12
WIND 20FT/LATE(MPH) SE 14 E 11 E 13
MIXING HGT(FT-AGL/MSL)5230 4920
TRANSPORT WND (MPH) SE 15 SE 16
VENT RATE (KT-FT) 67990 68880
DISPERSION 5 5
DSI 6 4 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ022-082000-
LUQUILLO MOUNTAIN RANGE-
330 AM AST WED APR 8 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 50 40 40
TEMP (24H TREND) 81 (+4) 67 (-3) 81
RH % (24H TREND) 72 (-7) 100 (+2) 70
WIND 20FT/EARLY(MPH) SE 13 E 9 E 11
WIND 20FT/LATE(MPH) SE 13 E 10 E 12
MIXING HGT(FT-AGL/MSL)4050 3650
TRANSPORT WND (MPH) SE 15 SE 17
VENT RATE (KT-FT) 52650 54750
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ023-082000-
CENTRAL MOUNTAIN RANGE-
330 AM AST WED APR 8 2026
TODAY TONIGHT THU
CLOUD COVER MCLEAR MCLEAR PCLDY
PRECIP TYPE SHOWERS NONE TSTMS
CHANCE PRECIP (%) 20 0 60
TEMP (24H TREND) 86 (+6) 66 (-3) 84
RH % (24H TREND) 63 (-11) 98 (+3) 64
WIND 20FT/EARLY(MPH) SE 11 SE 5 E 9
WIND 20FT/LATE(MPH) SE 11 E 5 SE 9
MIXING HGT(FT-AGL/MSL)5750 5780
TRANSPORT WND (MPH) SE 12 E 12
VENT RATE (KT-FT) 57500 57800
DISPERSION 5 5
DSI 6 1 5
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ024-082000-
CAYEY MOUNTAIN RANGE-
330 AM AST WED APR 8 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 50 30 30
TEMP (24H TREND) 80 (+3) 68 (-2) 81
RH % (24H TREND) 73 (-7) 100 (+2) 71
WIND 20FT/EARLY(MPH) SE 12 E 9 E 10
WIND 20FT/LATE(MPH) SE 11 E 9 E 11
MIXING HGT(FT-AGL/MSL)4510 4500
TRANSPORT WND (MPH) SE 14 E 17
VENT RATE (KT-FT) 54120 67500
DISPERSION 5 5
DSI 6 4 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ025-082000-
VIEQUES-
330 AM AST WED APR 8 2026
TODAY TONIGHT THU
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 30 30 30
TEMP (24H TREND) 85 (0) 73 (-2) 85
RH % (24H TREND) 63 (-1) 94 (+4) 62
WIND 20FT/EARLY(MPH) SE 16 E 14 E 14
WIND 20FT/LATE(MPH) SE 14 E 14 E 14
MIXING HGT(FT-AGL/MSL)2800 2680
TRANSPORT WND (MPH) SE 21 E 18
VENT RATE (KT-FT) 50400 42880
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ026-082000-
CULEBRA-
330 AM AST WED APR 8 2026
TODAY TONIGHT THU
CLOUD COVER MCLEAR PCLDY MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 30 20
TEMP (24H TREND) 87 (+2) 74 (-2) 86
RH % (24H TREND) 64 (-1) 92 (+3) 61
WIND 20FT/EARLY(MPH) SE 16 E 14 E 14
WIND 20FT/LATE(MPH) SE 16 E 14 E 14
MIXING HGT(FT-AGL/MSL)2710 2820
TRANSPORT WND (MPH) SE 20 E 21
VENT RATE (KT-FT) 46070 50760
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ027-082000-
SOUTHWEST COASTAL PLAINS AND MONA ISLAND-
330 AM AST WED APR 8 2026
TODAY TONIGHT THU
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE SHOWERS NONE SHOWERS
CHANCE PRECIP (%) 40 0 20
TEMP (24H TREND) 89 (+3) 72 (-2) 89
RH % (24H TREND) 53 (-13) 95 (+3) 50
WIND 20FT/EARLY(MPH) E 21 E 14 E 18
WIND 20FT/LATE(MPH) SE 20 E 14 SE 18
MIXING HGT(FT-AGL/MSL)4360 4800
TRANSPORT WND (MPH) SE 21 E 21
VENT RATE (KT-FT) 78480 86400
DISPERSION 5 5
DSI 6 5 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
VIZ001-082000-
SAINT THOMAS AND SAINT JOHN-
330 AM AST WED APR 8 2026
TODAY TONIGHT THU
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 30 20 20
TEMP (24H TREND) 85 (+1) 73 (-3) 85
RH % (24H TREND) 63 (-3) 95 (+6) 62
WIND 20FT/EARLY(MPH) SE 17 E 14 E 16
WIND 20FT/LATE(MPH) SE 14 E 14 E 16
MIXING HGT(FT-AGL/MSL)2920 2840
TRANSPORT WND (MPH) SE 21 E 17
VENT RATE (KT-FT) 52560 42600
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
VIZ002-082000-
ST CROIX-
330 AM AST WED APR 8 2026
TODAY TONIGHT THU
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 30 20
TEMP (24H TREND) 86 (+1) 74 (-2) 86
RH % (24H TREND) 66 (0) 93 (+3) 63
WIND 20FT/EARLY(MPH) SE 16 E 14 E 16
WIND 20FT/LATE(MPH) SE 16 E 14 E 16
MIXING HGT(FT-AGL/MSL)3970 3990
TRANSPORT WND (MPH) SE 20 E 18
VENT RATE (KT-FT) 67490 63840
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
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