052
FNCA52 TJSJ 070730
FWFSJU
FIRE WEATHER PLANNING FORECAST FOR PUERTO RICO
NATIONAL WEATHER SERVICE SAN JUAN PR
330 AM AST SUN JUN 7 2026
DISCUSSION
RH % VALUES FOR TODAY ARE FORECAST TO REMAIN SLIGHTLY ABOVE THE
THRESHOLD LIMITING THE WEATHER CONDITIONS TO FAVOR WIDESPREAD
FIRE DANGER THREAT ALONG SOUTHERN COASTAL PLAINS. WINDS WILL
REMAIN FROM THE SOUTHEAST UP TO 15 MPH WITH GUSTY WINDS ALONG
COASTAL ZONES. BASED ON THE FORECAST WEATHER CONDITIONS, WE
EXPECT A LOW FIRE DANGER RISK. PLEASE STAY TUNE FOR FURTHER
UPDATES.
PRZ014-072000-
SOUTHEAST COASTAL PLAINS-
330 AM AST SUN JUN 7 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE SHOWERS NONE SHOWERS
CHANCE PRECIP (%) 50 0 10
TEMP (24H TREND) 90 (+1) 73 (-2) 90
RH % (24H TREND) 50 (-6) 89 (-1) 49
WIND 20FT/EARLY(MPH) E 17 E 14 E 16
WIND 20FT/LATE(MPH) SE 16 E 12 SE 16
MIXING HGT(FT-AGL/MSL)4430 4780
TRANSPORT WND (MPH) E 16 E 17
VENT RATE (KT-FT) 62020 71700
DISPERSION 5 5
DSI 6 5 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ015-072000-
SOUTHERN HILLS-
330 AM AST SUN JUN 7 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE SHOWERS NONE SHOWERS
CHANCE PRECIP (%) 40 0 10
TEMP (24H TREND) 86 (+1) 69 (-3) 88
RH % (24H TREND) 64 (-2) 99 (+3) 58
WIND 20FT/EARLY(MPH) E 13 E 12 E 12
WIND 20FT/LATE(MPH) SE 13 E 13 SE 12
MIXING HGT(FT-AGL/MSL)4960 5490
TRANSPORT WND (MPH) SE 16 E 16
VENT RATE (KT-FT) 69440 76860
DISPERSION 5 5
DSI 6 3 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ016-072000-
NORTH COASTAL PLAINS-
330 AM AST SUN JUN 7 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 40 0 40
TEMP (24H TREND) 90 (0) 72 (-2) 91
RH % (24H TREND) 60 (-5) 99 (+3) 57
WIND 20FT/EARLY(MPH) E 13 E 12 E 13
WIND 20FT/LATE(MPH) E 17 E 12 E 18
MIXING HGT(FT-AGL/MSL)5340 5070
TRANSPORT WND (MPH) E 13 E 14
VENT RATE (KT-FT) 58740 60840
DISPERSION 5 5
DSI 6 4 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ017-072000-
NORTHERN HILLS-
330 AM AST SUN JUN 7 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE SHOWERS NONE SHOWERS
CHANCE PRECIP (%) 60 0 40
TEMP (24H TREND) 88 (0) 70 (-2) 90
RH % (24H TREND) 65 (+1) 99 (0) 58
WIND 20FT/EARLY(MPH) E 10 SE 10 E 12
WIND 20FT/LATE(MPH) E 14 E 6 E 14
MIXING HGT(FT-AGL/MSL)5460 5960
TRANSPORT WND (MPH) SE 10 E 12
VENT RATE (KT-FT) 49140 59600
DISPERSION 5 5
DSI 6 3 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ018-072000-
WEST COAST-
330 AM AST SUN JUN 7 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 50 0 50
TEMP (24H TREND) 91 (0) 73 (-1) 92
RH % (24H TREND) 63 (0) 97 (+1) 58
WIND 20FT/EARLY(MPH) E 13 E 13 E 14
WIND 20FT/LATE(MPH) E 14 E 11 SE 14
MIXING HGT(FT-AGL/MSL)4460 5050
TRANSPORT WND (MPH) SE 12 E 13
VENT RATE (KT-FT) 44600 55550
DISPERSION 5 5
DSI 6 5 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ019-072000-
EASTERN INTERIOR-
330 AM AST SUN JUN 7 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 50 0 50
TEMP (24H TREND) 88 (+1) 71 (-2) 89
RH % (24H TREND) 63 (-2) 100 (+3) 59
WIND 20FT/EARLY(MPH) SE 14 E 13 E 14
WIND 20FT/LATE(MPH) SE 16 E 14 E 14
MIXING HGT(FT-AGL/MSL)5450 5660
TRANSPORT WND (MPH) SE 16 SE 16
VENT RATE (KT-FT) 76300 79240
DISPERSION 5 5
DSI 6 4 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ022-072000-
LUQUILLO MOUNTAIN RANGE-
330 AM AST SUN JUN 7 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 60 10 50
TEMP (24H TREND) 83 (+2) 69 (-2) 84
RH % (24H TREND) 69 (-7) 100 (+1) 65
WIND 20FT/EARLY(MPH) SE 12 E 11 E 12
WIND 20FT/LATE(MPH) SE 13 E 12 E 12
MIXING HGT(FT-AGL/MSL)4650 4310
TRANSPORT WND (MPH) SE 18 SE 15
VENT RATE (KT-FT) 74400 56030
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ023-072000-
CENTRAL MOUNTAIN RANGE-
330 AM AST SUN JUN 7 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE SHOWERS NONE SHOWERS
CHANCE PRECIP (%) 60 0 40
TEMP (24H TREND) 86 (+3) 67 (-3) 87
RH % (24H TREND) 68 (0) 99 (+2) 60
WIND 20FT/EARLY(MPH) SE 10 SE 8 E 10
WIND 20FT/LATE(MPH) SE 10 E 5 SE 10
MIXING HGT(FT-AGL/MSL)5900 6800
TRANSPORT WND (MPH) SE 12 E 9
VENT RATE (KT-FT) 59000 54400
DISPERSION 5 5
DSI 6 2 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ024-072000-
CAYEY MOUNTAIN RANGE-
330 AM AST SUN JUN 7 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 60 10 40
TEMP (24H TREND) 83 (+1) 70 (-1) 84
RH % (24H TREND) 71 (0) 100 (0) 65
WIND 20FT/EARLY(MPH) E 12 E 10 E 10
WIND 20FT/LATE(MPH) SE 12 E 11 E 11
MIXING HGT(FT-AGL/MSL)4770 4720
TRANSPORT WND (MPH) E 16 E 16
VENT RATE (KT-FT) 66780 66080
DISPERSION 5 5
DSI 6 4 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ025-072000-
VIEQUES-
330 AM AST SUN JUN 7 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY MCLEAR PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 60 20 30
TEMP (24H TREND) 88 (+1) 76 (-1) 88
RH % (24H TREND) 61 (-6) 90 (-1) 60
WIND 20FT/EARLY(MPH) E 17 E 17 E 16
WIND 20FT/LATE(MPH) E 16 E 17 E 16
MIXING HGT(FT-AGL/MSL)3610 3450
TRANSPORT WND (MPH) SE 20 E 16
VENT RATE (KT-FT) 61370 48300
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ026-072000-
CULEBRA-
330 AM AST SUN JUN 7 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 60 20 20
TEMP (24H TREND) 90 (+2) 77 (-1) 90
RH % (24H TREND) 59 (-10) 91 (+1) 59
WIND 20FT/EARLY(MPH) E 17 E 17 E 16
WIND 20FT/LATE(MPH) E 16 E 17 E 16
MIXING HGT(FT-AGL/MSL)3420 3440
TRANSPORT WND (MPH) E 20 E 17
VENT RATE (KT-FT) 58140 51600
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ027-072000-
SOUTHWEST COASTAL PLAINS AND MONA ISLAND-
330 AM AST SUN JUN 7 2026
TODAY TONIGHT MON
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE SHOWERS NONE SHOWERS
CHANCE PRECIP (%) 50 0 20
TEMP (24H TREND) 91 (+1) 74 (-2) 92
RH % (24H TREND) 52 (-4) 89 (-1) 48
WIND 20FT/EARLY(MPH) E 18 E 19 E 19
WIND 20FT/LATE(MPH) SE 19 E 16 SE 19
MIXING HGT(FT-AGL/MSL)4490 4990
TRANSPORT WND (MPH) SE 18 E 20
VENT RATE (KT-FT) 71840 84830
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
VIZ001-072000-
SAINT THOMAS AND SAINT JOHN-
330 AM AST SUN JUN 7 2026
TODAY TONIGHT MON
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 60 20 10
TEMP (24H TREND) 86 (+1) 76 (-2) 86
RH % (24H TREND) 64 (-8) 91 (+2) 62
WIND 20FT/EARLY(MPH) E 18 E 18 E 18
WIND 20FT/LATE(MPH) E 16 E 18 E 14
MIXING HGT(FT-AGL/MSL)3350 3360
TRANSPORT WND (MPH) E 20 E 17
VENT RATE (KT-FT) 56950 50400
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
VIZ002-072000-
ST CROIX-
330 AM AST SUN JUN 7 2026
TODAY TONIGHT MON
CLOUD COVER MCLEAR MCLEAR MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 50 20 20
TEMP (24H TREND) 88 (+2) 76 (-2) 87
RH % (24H TREND) 63 (-8) 90 (-1) 62
WIND 20FT/EARLY(MPH) E 17 E 17 E 17
WIND 20FT/LATE(MPH) E 16 E 17 E 14
MIXING HGT(FT-AGL/MSL)4620 4450
TRANSPORT WND (MPH) SE 22 E 20
VENT RATE (KT-FT) 87780 75650
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
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