Red Flag Warning Issued for Southern and Western Puerto Rico
This alert is no longer in effect.
NOAA issued it on July 23, 2026, 4 weeks ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).
Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.
NWS San Juan has issued a Red Flag Warning from 10 AM to 4 PM AST today for portions of southern and western Puerto Rico, Vieques and St Croix due to critical fire weather conditions.
Read this weather record in 30 seconds
- Record type
- Red Flag Warning
- Affected area
- Southern and Western Puerto Rico, Vieques, St Croix
- Issued
- July 23, 2026
- Issuing authority
- NWS San Juan PR
Fire-weather notices describe conditions that can support rapid fire spread; they do not report that a fire is present. Check local emergency sources for any active incident.
Record status: historical. It was issued 4 weeks ago; use the issuing agency's live warning service for current conditions in Southern and Western Puerto Rico, Vieques, St Croix.
Alert Details
A Red Flag Warning has been issued by the National Weather Service in San Juan PR. The alert is in effect from 10 AM AST to 4 PM AST on June 19, 2026.
Affected Areas
Portions of southern and western Puerto Rico, Vieques and St Croix, including the Southeast Coastal Plains, Southern Hills, West Coast, Southwest Coastal Plains and Mona Island, and Saint Croix.
What You Should Do
A Red Flag Warning means critical fire weather conditions are occurring or will shortly occur. Outdoor burning is not recommended. Any fires that develop will likely spread rapidly.
Expected Conditions
East to east-southeast winds of 15 to 23 mph with stronger gusts around 30 mph. Relative humidity values from the mid 40s to low 50s. Critically dry fuels combined with these conditions will promote rapid fire spread.
Timeline
The warning is effective from 10:00 AM AST June 19, 2026, through 4:00 PM AST June 19, 2026.
Original source: NOAA Official Notice ↗
Related Weather Alerts
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Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.
Similar body length
Nearest notices by article body length (934 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to July 23, 2026.
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