


Rangeland Fire Danger Forecast
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
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058 FNCA62 TJSJ 220913 RFDSJU PRZ014-027-222115- Fire Danger Statement National Weather Service San Juan PR 513 AM AST Tue Jul 22 2025 ...ELEVATED FIRE WEATHER CONDITIONS EXPECTED ACROSS THE SOUTHERN COASTAL PLAINS OF PUERTO RICO TODAY... Weather conditions will once again favor fire weather today. Increasing winds will promote breezy conditions across the county warning area, with easterly-eastsoutheasterly winds between 16 - 20 mph and gusts up to 26 mph. A drier air mass will filter into the region, and relative humidities are expected to drop between 48 - 50 %, below thresholds over the southern coastal plains of Puerto Rico. Another important detail is that this fire weather zone is abnormally dry, based on the latest U.S. Drought Monitor report. Additionally, stations over these areas (Cabo Rojo and Guanica) have been reporting KDBI values above thresholds for the last 30 days (latest report: 616 and 664 respectively). Based on the current conditions and the weather forecast, the fire danger risk will be elevated for the Southern Coastal Plains of Puerto Rico today. Fire and emergency officials should be aware that weather conditions are becoming more conducive for the ignition and spread of wildfires. Fire danger statements are issued when fire weather conditions are approaching, but not meeting or exceeding, Red Flag Warning criteria. $$