United StatesNational Weather Service alerts (api.weather.gov)Latest September 19, 2026
National Weather Service warnings and watches for Puerto Rico
The National Weather Service issued 8 warnings and watches for Puerto Rico in the 30 days to October 1, 2026, against 4 in the 30 days before; the most frequent since April 6, 2026 is the flash flood warning (14 of 37). AreaZine's record of this feed began on April 6, 2026 and holds 37.
Latest
NWS San JuanWarningSeptember 19, 2026
Flash Flood Warning: Aguada, Las Marias, Moca and 1 more, PR
Expired 6:30 p.m. EDT, September 19, 2026
NWS San JuanWarningSeptember 11, 2026
Extreme Heat Warning: San Juan and Vicinity, Northeast, Southeast and 8 more, PR
Expired 5:00 p.m. EDT, September 11, 2026
NWS San JuanWarningSeptember 10, 2026
Extreme Heat Warning: San Juan and Vicinity, Northeast, Southeast and 8 more, PR
Expired 5:00 p.m. EDT, September 10, 2026
NWS San JuanWarningSeptember 7, 2026
Flash Flood Warning: Vega Baja, PR
Expired 4:15 p.m. EDT, September 7, 2026
NWS San JuanWarningSeptember 7, 2026
Extreme Heat Warning: San Juan and Vicinity, Northeast, Southeast and 8 more, PR
Expired 5:00 p.m. EDT, September 7, 2026
NWS San JuanWarningSeptember 6, 2026
Extreme Heat Warning: San Juan and Vicinity, Northeast, Southeast and 8 more, PR
Expired 5:00 p.m. EDT, September 6, 2026
NWS San JuanWarningSeptember 1, 2026
Flash Flood Warning: Guayama, PR
Expired 3:15 a.m. EDT, September 1, 2026
NWS San JuanWarningSeptember 1, 2026
Flash Flood Warning: Arroyo, Maunabo, Patillas and 1 more, PR
Expired 3:15 a.m. EDT, September 1, 2026
NWS San JuanWarningAugust 26, 2026
Extreme Heat Warning: San Juan and Vicinity, Northeast, Southeast and 6 more, PR
Expired 5:00 p.m. EDT, August 26, 2026
NWS San JuanWarningAugust 25, 2026
Extreme Heat Warning: San Juan and Vicinity, Northeast, Southeast and 6 more, PR
Expired 5:00 p.m. EDT, August 25, 2026
NWS San JuanWarningAugust 15, 2026
Red Flag Warning: Southeast Coastal Plains, Southern Hills, Vieques and 1 more, PR
Expired 5:00 p.m. EDT, August 15, 2026
NWS San JuanWarningAugust 9, 2026
Flash Flood Warning: Mayaguez, PR
Expired 6:00 p.m. EDT, August 9, 2026
NWS San JuanWarningJuly 30, 2026
Extreme Heat Warning: San Juan and Vicinity, Northeast, Southeast and 10 more, PR and VI
Expired 5:00 p.m. EDT, July 30, 2026
NWS San JuanWarningJuly 29, 2026
Extreme Heat Warning: San Juan and Vicinity, Northeast, Southeast and 6 more, PR
Expired 5:00 p.m. EDT, July 29, 2026
NWS San JuanWarningJuly 11, 2026
Red Flag Warning: Southeast Coastal Plains, Southern Hills, West Coast and 1 more, PR
Expired 5:00 p.m. EDT, July 11, 2026
NWS San JuanWarningJune 19, 2026
Red Flag Warning: Southeast Coastal Plains, Southern Hills, West Coast and 3 more, PR and VI
Expired 4:00 p.m. EDT, June 19, 2026
NWS San JuanWarningJune 14, 2026
Red Flag Warning: Southeast Coastal Plains, Southern Hills, West Coast and 3 more, PR and VI
Expired 4:00 p.m. EDT, June 14, 2026
NWS San JuanWarningMay 23, 2026
Flash Flood Warning: Mayaguez, PR
Expired 5:00 p.m. EDT, May 23, 2026
NWS San JuanWarningMay 15, 2026
Flood Warning: Aguada, Aguadilla and Moca, PR
Expired 2:15 a.m. EDT, May 16, 2026
NWS San JuanWarningMay 12, 2026
Flash Flood Warning: San Juan, PR
Expired 5:00 p.m. EDT, May 12, 2026
NWS San JuanWarningApril 28, 2026
Flash Flood Warning: Comerio, PR
Expired 7:00 p.m. EDT, April 28, 2026
NWS San JuanWarningApril 18, 2026
Flood Warning: Aguada, Aguadilla and Moca, PR
Expired 6:30 a.m. EDT, April 19, 2026
NWS San JuanWarningApril 18, 2026
Flash Flood Warning: Juana Diaz and Ponce, PR
Expired 7:45 p.m. EDT, April 18, 2026
NWS San JuanWarningApril 18, 2026
Flood Warning: Aguada and Aguadilla, PR
Expired 12:00 p.m. EDT, April 18, 2026