230 FNCA52 TJSJ 281930 FWFSJU Fire Weather Planning Forecast for Puerto Rico National Weather Service San Juan PR 330 PM AST Sun Jun 28 2026 .DISCUSSION... No fire danger is expected today. PRZ014-290800- Southeast Coastal Plains- 330 PM AST Sun Jun 28 2026 Tonight Mon Mon Night Tue Cloud Cover Mclear Pcldy Pcldy Mclear Precip Type Showers Tstms Showers Showers Chance Precip (%) 10 70 20 10 Temp (24h trend) 74 (-1) 88 (-2) 74 91 RH % (24h trend) 93 (+7) 54 (+1) 89 48 Wind 20ft/early(mph) E 13 E 13 E 14 E 17 Wind 20ft/late(mph) E 10 SE 16 E 11 SE 17 Mixing Hgt(ft-agl/msl) 4790 5020 Transport Wnd (mph) SE 16 E 22 Vent Rate (kt-ft) 67060 95380 Dispersion 5 5 DSI 4 6 5 6 RH Recovery Excellent Excellent Remarks...None. $$ PRZ015-290800- Southern Hills- 330 PM AST Sun Jun 28 2026 Tonight Mon Mon Night Tue Cloud Cover Mclear Pcldy Mclear Mclear Precip Type Showers Tstms Showers Showers Chance Precip (%) 10 70 10 10 Temp (24h trend) 70 (-2) 85 (-1) 70 88 RH % (24h trend) 100 (+7) 67 (+3) 98 61 Wind 20ft/early(mph) E 11 SE 11 E 10 E 14 Wind 20ft/late(mph) E 10 SE 12 E 11 SE 14 Mixing Hgt(ft-agl/msl) 5470 5470 Transport Wnd (mph) SE 15 E 21 Vent Rate (kt-ft) 71110 98460 Dispersion 5 5 DSI 3 6 3 6 RH Recovery Excellent Excellent Remarks...None. $$ PRZ016-290800- North Coastal Plains- 330 PM AST Sun Jun 28 2026 Tonight Mon Mon Night Tue Cloud Cover Mclear Mcldy Pcldy Mclear Precip Type Showers Tstms Showers Showers Chance Precip (%) 30 80 30 10 Temp (24h trend) 73 (-1) 89 (-1) 73 91 RH % (24h trend) 99 (+5) 65 (+1) 99 60 Wind 20ft/early(mph) E 19 E 12 E 12 E 13 Wind 20ft/late(mph) E 10 E 16 E 10 E 19 Mixing Hgt(ft-agl/msl) 5280 6140 Transport Wnd (mph) SE 12 SE 17 Vent Rate (kt-ft) 52800 92100 Dispersion 5 5 DSI 5 6 4 6 RH Recovery Excellent Excellent Remarks...None. $$ PRZ017-290800- Northern Hills- 330 PM AST Sun Jun 28 2026 Tonight Mon Mon Night Tue Cloud Cover Mclear Pcldy Mclear Mclear Precip Type None Tstms Showers Tstms Chance Precip (%) 0 80 20 50 Temp (24h trend) 71 (-1) 87 (-2) 71 89 RH % (24h trend) 100 (+3) 70 (+7) 100 64 Wind 20ft/early(mph) E 14 E 10 E 11 E 12 Wind 20ft/late(mph) E 8 E 14 E 6 E 17 Mixing Hgt(ft-agl/msl) 6210 7040 Transport Wnd (mph) SE 10 SE 15 Vent Rate (kt-ft) 55890 91520 Dispersion 5 5 DSI 3 6 3 6 RH Recovery Excellent Excellent Remarks...None. $$ PRZ018-290800- West Coast- 330 PM AST Sun Jun 28 2026 Tonight Mon Mon Night Tue Cloud Cover Clear Pcldy Mclear Pcldy Precip Type None Tstms Showers Tstms Chance Precip (%) 0 40 10 50 Temp (24h trend) 74 (+1) 90 (-1) 73 92 RH % (24h trend) 100 (+4) 66 (+4) 100 60 Wind 20ft/early(mph) E 11 SE 14 E 12 E 17 Wind 20ft/late(mph) E 12 E 14 E 12 E 17 Mixing Hgt(ft-agl/msl) 4770 5130 Transport Wnd (mph) SE 15 E 16 Vent Rate (kt-ft) 62010 71820 Dispersion 5 5 DSI 4 6 4 5 RH Recovery Excellent Excellent Remarks...None. $$ PRZ019-290800- Eastern Interior- 330 PM AST Sun Jun 28 2026 Tonight Mon Mon Night Tue Cloud Cover Pcldy Mcldy Pcldy Mclear Precip Type Showers Tstms Showers Showers Chance Precip (%) 40 80 30 10 Temp (24h trend) 71 (-3) 87 (-1) 72 89 RH % (24h trend) 100 (+6) 67 (+3) 99 61 Wind 20ft/early(mph) E 12 SE 12 E 12 E 13 Wind 20ft/late(mph) E 12 SE 14 E 12 E 14 Mixing Hgt(ft-agl/msl) 6170 5970 Transport Wnd (mph) SE 15 SE 20 Vent Rate (kt-ft) 80210 101490 Dispersion 5 5 DSI 4 6 4 6 RH Recovery Excellent Excellent Remarks...None. $$ PRZ022-290800- Luquillo Mountain Range- 330 PM AST Sun Jun 28 2026 Tonight Mon Mon Night Tue Cloud Cover Pcldy Mcldy Pcldy Mclear Precip Type Showers Tstms Showers Showers Chance Precip (%) 60 70 50 10 Temp (24h trend) 69 (-3) 83 (+2) 69 85 RH % (24h trend) 100 (+3) 74 (-2) 100 68 Wind 20ft/early(mph) E 10 SE 11 E 11 E 12 Wind 20ft/late(mph) E 9 SE 12 E 10 E 13 Mixing Hgt(ft-agl/msl) 4180 4970 Transport Wnd (mph) SE 16 SE 22 Vent Rate (kt-ft) 58520 94430 Dispersion 5 5 DSI 5 6 5 6 RH Recovery Excellent Excellent Remarks...None. $$ PRZ023-290800- Central Mountain Range- 330 PM AST Sun Jun 28 2026 Tonight Mon Mon Night Tue Cloud Cover Mclear Pcldy Mclear Pcldy Precip Type None Tstms Showers Tstms Chance Precip (%) 0 60 0 50 Temp (24h trend) 68 (-2) 86 (+2) 68 87 RH % (24h trend) 100 (+3) 73 (+7) 99 66 Wind 20ft/early(mph) E 9 SE 10 E 8 E 12 Wind 20ft/late(mph) E 6 SE 10 E 6 SE 11 Mixing Hgt(ft-agl/msl) 6370 6900 Transport Wnd (mph) SE 12 SE 13 Vent Rate (kt-ft) 63700 75900 Dispersion 5 5 DSI 2 6 2 6 RH Recovery Excellent Excellent Remarks...None. $$ PRZ024-290800- Cayey Mountain Range- 330 PM AST Sun Jun 28 2026 Tonight Mon Mon Night Tue Cloud Cover Pcldy Mcldy Pcldy Mclear Precip Type Showers Tstms Showers Showers Chance Precip (%) 40 70 40 10 Temp (24h trend) 70 (-1) 83 (0) 70 84 RH % (24h trend) 100 (+1) 75 (+5) 100 69 Wind 20ft/early(mph) E 9 SE 10 E 10 E 12 Wind 20ft/late(mph) E 9 SE 11 E 9 E 13 Mixing Hgt(ft-agl/msl) 5130 5180 Transport Wnd (mph) SE 16 SE 21 Vent Rate (kt-ft) 71820 93240 Dispersion 5 5 DSI 4 6 4 6 RH Recovery Excellent Excellent Remarks...None. $$ PRZ025-290800- Vieques- 330 PM AST Sun Jun 28 2026 Tonight Mon Mon Night Tue Cloud Cover Pcldy Mcldy Pcldy Mclear Precip Type Showers Tstms Showers Showers Chance Precip (%) 60 60 50 20 Temp (24h trend) 76 (-2) 87 (-1) 76 89 RH % (24h trend) 95 (+9) 65 (0) 91 61 Wind 20ft/early(mph) E 16 SE 13 E 13 E 14 Wind 20ft/late(mph) E 16 E 14 E 14 E 13 Mixing Hgt(ft-agl/msl) 3040 3540 Transport Wnd (mph) E 17 SE 20 Vent Rate (kt-ft) 45600 60180 Dispersion 5 5 DSI 6 6 6 6 RH Recovery Excellent Excellent Remarks...None. $$ PRZ026-290800- Culebra- 330 PM AST Sun Jun 28 2026 Tonight Mon Mon Night Tue Cloud Cover Pcldy Pcldy Pcldy Mclear Precip Type Showers Tstms Showers Showers Chance Precip (%) 60 60 50 20 Temp (24h trend) 77 (-2) 89 (+1) 77 91 RH % (24h trend) 97 (+12) 65 (-3) 93 60 Wind 20ft/early(mph) E 16 SE 14 E 13 E 14 Wind 20ft/late(mph) E 16 E 16 E 14 E 13 Mixing Hgt(ft-agl/msl) 2890 3320 Transport Wnd (mph) SE 20 E 20 Vent Rate (kt-ft) 49130 56440 Dispersion 5 5 DSI 6 6 6 6 RH Recovery Excellent Excellent Remarks...None. $$ PRZ027-290800- Southwest Coastal Plains and Mona Island- 330 PM AST Sun Jun 28 2026 Tonight Mon Mon Night Tue Cloud Cover Clear Pcldy Mclear Mclear Precip Type None Showers Showers Showers Chance Precip (%) 0 30 10 20 Temp (24h trend) 74 (-2) 90 (-1) 75 92 RH % (24h trend) 93 (+6) 53 (+1) 90 48 Wind 20ft/early(mph) E 14 E 18 E 17 E 23 Wind 20ft/late(mph) E 16 SE 19 E 16 SE 23 Mixing Hgt(ft-agl/msl) 4570 5060 Transport Wnd (mph) SE 20 E 24 Vent Rate (kt-ft) 77690 106260 Dispersion 5 5 DSI 5 6 6 6 RH Recovery Excellent Excellent Remarks...None. $$ VIZ001-290800- Saint Thomas and Saint John- 330 PM AST Sun Jun 28 2026 Tonight Mon Mon Night Tue Cloud Cover Pcldy Pcldy Pcldy Pcldy Precip Type Showers Tstms Showers Showers Chance Precip (%) 60 60 50 20 Temp (24h trend) 76 (-3) 85 (-1) 76 87 RH % (24h trend) 96 (+10) 70 (-1) 93 65 Wind 20ft/early(mph) E 16 SE 17 E 13 E 14 Wind 20ft/late(mph) E 18 E 16 E 14 E 13 Mixing Hgt(ft-agl/msl) 2910 3310 Transport Wnd (mph) SE 22 E 18 Vent Rate (kt-ft) 55290 52960 Dispersion 5 5 DSI 6 6 6 6 RH Recovery Excellent Excellent Remarks...None. $$ VIZ002-290800- St Croix- 330 PM AST Sun Jun 28 2026 Tonight Mon Mon Night Tue Cloud Cover Mcldy Pcldy Mclear Pcldy Precip Type Showers Tstms Showers Showers Chance Precip (%) 70 60 40 20 Temp (24h trend) 76 (-3) 86 (-1) 77 88 RH % (24h trend) 98 (+11) 69 (-1) 93 64 Wind 20ft/early(mph) E 13 E 16 E 13 E 16 Wind 20ft/late(mph) E 13 E 16 E 14 E 16 Mixing Hgt(ft-agl/msl) 4550 4750 Transport Wnd (mph) E 23 E 25 Vent Rate (kt-ft) 91000 104500 Dispersion 5 5 DSI 6 6 6 6 RH Recovery Excellent Excellent Remarks...None. $$