Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
071
FNCA52 TJSJ 100632
FWFSJU
Fire Weather Planning Forecast for Puerto Rico
National Weather Service San Juan PR
232 AM AST Mon Nov 10 2025
.DISCUSSION...
A drier air mass will move in today across the region. Winds will
pick up too, coming out of the east at nearly 14 mph. Winds will
slow down in the upcoming days, although it will be drier too. So
far, the risk of fire weather is expected to remain low.
PRZ014-110645-
Southeast Coastal Plains-
232 AM AST Mon Nov 10 2025
Today Tonight Tue
Cloud Cover Mclear Mclear Mclear
Precip Type Showers Showers Showers
Chance Precip (%) 10 10 20
Temp (24h trend) 88 (+2) 73 (-2) 89
RH % (24h trend) 58 (-8) 94 (+3) 59
Wind 20ft/early(mph) E 14 G19 E 12 E 11
Wind 20ft/late(mph) E 14 G19 E 12 E 11
Mixing Hgt(ft-agl/msl)4310 4190
Transport Wnd (mph) E 17 E 13
Vent Rate (kt-ft) 64650 46090
Dispersion 5 5
DSI 6 4 6
RH Recovery Excellent
Remarks...None.
$$
PRZ015-110645-
Southern Hills-
232 AM AST Mon Nov 10 2025
Today Tonight Tue
Cloud Cover Mclear Mclear Mclear
Precip Type Showers Showers Showers
Chance Precip (%) 10 10 20
Temp (24h trend) 86 (+5) 70 (-2) 86
RH % (24h trend) 59 (-16) 98 (+5) 61
Wind 20ft/early(mph) E 12 E 12 E 10
Wind 20ft/late(mph) E 12 E 12 E 10
Mixing Hgt(ft-agl/msl)5080 5030
Transport Wnd (mph) E 17 E 13
Vent Rate (kt-ft) 76200 55330
Dispersion 5 5
DSI 6 3 5
RH Recovery Excellent
Remarks...None.
$$
PRZ016-110645-
North Coastal Plains-
232 AM AST Mon Nov 10 2025
Today Tonight Tue
Cloud Cover Mclear Pcldy Mclear
Precip Type Showers Showers Showers
Chance Precip (%) 10 10 20
Temp (24h trend) 89 (+3) 73 (-1) 89
RH % (24h trend) 61 (-10) 98 (+4) 61
Wind 20ft/early(mph) E 17 G19 E 16 E 13
Wind 20ft/late(mph) E 17 G19 E 16 E 13
Mixing Hgt(ft-agl/msl)4770 4430
Transport Wnd (mph) E 17 E 10
Vent Rate (kt-ft) 71550 39870
Dispersion 5 5
DSI 6 4 6
RH Recovery Excellent
Remarks...None.
$$
PRZ017-110645-
Northern Hills-
232 AM AST Mon Nov 10 2025
Today Tonight Tue
Cloud Cover Mclear Mclear Mclear
Precip Type Showers Showers Showers
Chance Precip (%) 20 10 30
Temp (24h trend) 88 (+3) 71 (-1) 88
RH % (24h trend) 57 (-12) 98 (+3) 60
Wind 20ft/early(mph) E 14 E 13 E 11
Wind 20ft/late(mph) E 14 E 13 E 11
Mixing Hgt(ft-agl/msl)5820 5590
Transport Wnd (mph) E 14 E 8
Vent Rate (kt-ft) 69840 39130
Dispersion 5 5
DSI 6 3 5
RH Recovery Excellent
Remarks...None.
$$
PRZ018-110645-
West Coast-
232 AM AST Mon Nov 10 2025
Today Tonight Tue
Cloud Cover Mclear Mclear Mclear
Precip Type Showers None Showers
Chance Precip (%) 20 0 40
Temp (24h trend) 90 (+3) 71 (-2) 90
RH % (24h trend) 58 (-12) 97 (+4) 61
Wind 20ft/early(mph) E 14 E 11 E 11
Wind 20ft/late(mph) E 14 E 11 E 11
Mixing Hgt(ft-agl/msl)4690 4780
Transport Wnd (mph) E 14 E 10
Vent Rate (kt-ft) 56280 43020
Dispersion 5 5
DSI 5 3 5
RH Recovery Excellent
Remarks...None.
$$
PRZ019-110645-
Eastern Interior-
232 AM AST Mon Nov 10 2025
Today Tonight Tue
Cloud Cover Mclear Pcldy Pcldy
Precip Type Showers Showers Showers
Chance Precip (%) 10 30 30
Temp (24h trend) 86 (+3) 71 (-2) 87
RH % (24h trend) 64 (-10) 99 (+2) 62
Wind 20ft/early(mph) E 13 E 12 E 10
Wind 20ft/late(mph) E 13 E 12 E 10
Mixing Hgt(ft-agl/msl)4850 4870
Transport Wnd (mph) E 18 E 13
Vent Rate (kt-ft) 77600 53570
Dispersion 5 5
DSI 5 3 6
RH Recovery Excellent
Remarks...None.
$$
PRZ022-110645-
Luquillo Mountain Range-
232 AM AST Mon Nov 10 2025
Today Tonight Tue
Cloud Cover Mclear Pcldy Pcldy
Precip Type Showers Showers Showers
Chance Precip (%) 10 40 40
Temp (24h trend) 82 (+4) 68 (-3) 84
RH % (24h trend) 72 (-10) 100 (+1) 67
Wind 20ft/early(mph) E 12 E 10 E 9
Wind 20ft/late(mph) E 12 E 10 E 9
Mixing Hgt(ft-agl/msl)4260 3990
Transport Wnd (mph) E 18 E 14
Vent Rate (kt-ft) 68160 47880
Dispersion 5 5
DSI 6 5 6
RH Recovery Excellent
Remarks...None.
$$
PRZ023-110645-
Central Mountain Range-
232 AM AST Mon Nov 10 2025
Today Tonight Tue
Cloud Cover Mclear Mclear Mclear
Precip Type Showers Showers Showers
Chance Precip (%) 40 0 40
Temp (24h trend) 86 (+6) 67 (-3) 86
RH % (24h trend) 57 (-17) 98 (+4) 62
Wind 20ft/early(mph) E 9 E 8 E 8
Wind 20ft/late(mph) E 9 E 8 E 8
Mixing Hgt(ft-agl/msl)6260 6620
Transport Wnd (mph) SE 14 E 8
Vent Rate (kt-ft) 75120 46340
Dispersion 5 5
DSI 5 2 5
RH Recovery Excellent
Remarks...None.
$$
PRZ024-110645-
Cayey Mountain Range-
232 AM AST Mon Nov 10 2025
Today Tonight Tue
Cloud Cover Mclear Pcldy Pcldy
Precip Type Showers Showers Showers
Chance Precip (%) 10 30 30
Temp (24h trend) 82 (+4) 69 (-2) 83
RH % (24h trend) 71 (-11) 100 (0) 67
Wind 20ft/early(mph) E 11 E 10 E 9
Wind 20ft/late(mph) E 11 E 10 E 9
Mixing Hgt(ft-agl/msl)4260 4080
Transport Wnd (mph) E 20 E 14
Vent Rate (kt-ft) 72420 48960
Dispersion 5 5
DSI 6 3 6
RH Recovery Excellent
Remarks...None.
$$
PRZ025-110645-
Vieques-
232 AM AST Mon Nov 10 2025
Today Tonight Tue
Cloud Cover Mclear Pcldy Pcldy
Precip Type Showers Showers Showers
Chance Precip (%) 10 40 40
Temp (24h trend) 87 (0) 75 (-1) 89
RH % (24h trend) 65 (-2) 95 (+2) 60
Wind 20ft/early(mph) E 16 G20 E 16 G20 E 11
Wind 20ft/late(mph) E 16 G20 E 16 G20 E 11
Mixing Hgt(ft-agl/msl)3500 3350
Transport Wnd (mph) E 22 E 13
Vent Rate (kt-ft) 66500 36850
Dispersion 5 5
DSI 6 6 6
RH Recovery Excellent
Remarks...None.
$$
PRZ026-110645-
Culebra-
232 AM AST Mon Nov 10 2025
Today Tonight Tue
Cloud Cover Mclear Pcldy Pcldy
Precip Type Showers Showers Showers
Chance Precip (%) 10 40 30
Temp (24h trend) 89 (+2) 75 (-2) 91
RH % (24h trend) 61 (-8) 98 (+4) 57
Wind 20ft/early(mph) E 16 G20 E 17 G21 E 12
Wind 20ft/late(mph) E 16 G20 E 17 G21 E 12
Mixing Hgt(ft-agl/msl)3560 3080
Transport Wnd (mph) E 23 E 17
Vent Rate (kt-ft) 71200 46200
Dispersion 5 5
DSI 6 6 6
RH Recovery Excellent
Remarks...None.
$$
PRZ027-110645-
Southwest Coastal Plains and Mona Island-
232 AM AST Mon Nov 10 2025
Today Tonight Tue
Cloud Cover Mclear Mclear Mclear
Precip Type None Showers Showers
Chance Precip (%) 0 10 20
Temp (24h trend) 90 (+3) 74 (-2) 91
RH % (24h trend) 57 (-6) 93 (+7) 57
Wind 20ft/early(mph) E 20 G26 E 17 G22 E 17 G22
Wind 20ft/late(mph) E 20 G26 E 17 G22 E 17 G22
Mixing Hgt(ft-agl/msl)4580 4690
Transport Wnd (mph) E 21 E 16
Vent Rate (kt-ft) 82440 65660
Dispersion 5 5
DSI 6 3 6
RH Recovery Excellent
Remarks...None.
$$
VIZ001-110645-
Saint Thomas and Saint John-
232 AM AST Mon Nov 10 2025
Today Tonight Tue
Cloud Cover Mclear Pcldy Pcldy
Precip Type Showers Showers Showers
Chance Precip (%) 10 30 20
Temp (24h trend) 86 (+2) 71 (-5) 86
RH % (24h trend) 67 (-8) 100 (+5) 64
Wind 20ft/early(mph) E 17 G20 E 17 G21 E 12
Wind 20ft/late(mph) E 17 G20 E 17 G21 E 12
Mixing Hgt(ft-agl/msl)3470 3090
Transport Wnd (mph) E 23 E 18
Vent Rate (kt-ft) 69400 49440
Dispersion 5 5
DSI 6 6 6
RH Recovery Excellent
Remarks...None.
$$
VIZ002-110645-
St Croix-
232 AM AST Mon Nov 10 2025
Today Tonight Tue
Cloud Cover Mclear Pcldy Mclear
Precip Type Showers Showers Showers
Chance Precip (%) 10 30 20
Temp (24h trend) 90 (+3) 75 (-2) 88
RH % (24h trend) 62 (-5) 94 (+5) 62
Wind 20ft/early(mph) E 16 G20 E 16 G19 E 12
Wind 20ft/late(mph) E 16 G20 E 16 G19 E 12
Mixing Hgt(ft-agl/msl)3860 3780
Transport Wnd (mph) E 23 E 17
Vent Rate (kt-ft) 77200 56700
Dispersion 5 5
DSI 6 6 6
RH Recovery Excellent
Remarks...None.
$$
$$