983  
FNCA52 TJSJ 070744  
FWFSJU  
 
FIRE WEATHER PLANNING FORECAST FOR PUERTO RICO  
NATIONAL WEATHER SERVICE SAN JUAN PR  
344 AM AST SUN JUN 7 2026  
   
DISCUSSION  
 
A TROPICAL WAVE WILL MOVE ACROSS THE REGION DURING THE MORNING  
AND EARLY AFTERNOON HOURS. THEREFORE, RH % VALUES WILL REMAIN IN  
THE LOW TO UPPER 60S AND EVEN HIGHER WITH THE PRESENCE OF THE  
MOISTURE. WINDS WILL REMAIN FROM THE SOUTHEAST AT 15 MPH WITH  
GUSTY WINDS. GIVEN THE EXPECTED CONDITIONS THE FIRE DANGER THREAT  
TODAY REMAINS LOW.  
 
PRZ014-072015-  
SOUTHEAST COASTAL PLAINS-  
344 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.  
 
 
 
PRZ015-072015-  
SOUTHERN HILLS-  
344 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.  
 
 
 
PRZ016-072015-  
NORTH COASTAL PLAINS-  
344 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.  
 
 
 
PRZ017-072015-  
NORTHERN HILLS-  
344 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.  
 
 
 
PRZ018-072015-  
WEST COAST-  
344 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.  
 
 
 
PRZ019-072015-  
EASTERN INTERIOR-  
344 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.  
 
 
 
PRZ022-072015-  
LUQUILLO MOUNTAIN RANGE-  
344 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.  
 
 
 
PRZ023-072015-  
CENTRAL MOUNTAIN RANGE-  
344 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.  
 
 
 
PRZ024-072015-  
CAYEY MOUNTAIN RANGE-  
344 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.  
 
 
 
PRZ025-072015-  
VIEQUES-  
344 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.  
 
 
 
PRZ026-072015-  
CULEBRA-  
344 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.  
 
 
 
PRZ027-072015-  
SOUTHWEST COASTAL PLAINS AND MONA ISLAND-  
344 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.  
 
 
 
VIZ001-072015-  
SAINT THOMAS AND SAINT JOHN-  
344 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.  
 
 
 
VIZ002-072015-  
ST CROIX-  
344 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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