Zone Forecast Product
Issued by NWS
Issued by NWS
632 FPCA52 TJSJ 210643 ZFPPR Zone Forecast for Puerto Rico and the U.S. Virgin Islands National Weather Service San Juan PR 243 AM AST Mon Sep 21 2026 PRZ001-212000- San Juan and Vicinity- Including the municipalities of Bayamon, Carolina, Catano, Guaynabo, San Juan, Toa Alta, Toa Baja, and Trujillo Alto 243 AM AST Mon Sep 21 2026 ...HEAT ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 3 PM AST THIS AFTERNOON... .TODAY...Variably cloudy, then becoming partly cloudy late this morning, then becoming variably cloudy. Scattered showers. Isolated thunderstorms this afternoon. Highs around 92. Temperature falling this afternoon. Southeast winds 10 to 15 mph. Chance of rain 50 percent. .TONIGHT...Isolated thunderstorms in the evening. Partly cloudy with scattered showers. Lows around 83. Southeast winds 5 to 10 mph. Chance of rain 50 percent. .TUESDAY...Variably cloudy with scattered showers in the morning, then mostly cloudy with numerous showers with isolated thunderstorms in the afternoon. Highs around 92. Temperature falling in the afternoon. East winds 10 to 15 mph. Chance of rain 60 percent. .TUESDAY NIGHT...Variably cloudy with scattered showers. Lows around 83. Southeast winds 5 to 10 mph. Chance of rain 40 percent. .WEDNESDAY...Variably cloudy with scattered showers. Highs around 92. Temperature falling in the afternoon. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 40 percent. .WEDNESDAY NIGHT...Partly cloudy with isolated showers. Lows around 83. Chance of rain 20 percent. .THURSDAY...Partly cloudy with isolated showers in the morning, then variably cloudy with scattered showers with isolated thunderstorms in the afternoon. Highs around 92. Temperature falling in the afternoon. Chance of rain 50 percent. .THURSDAY NIGHT...Variably cloudy with scattered showers. Lows around 83. Chance of rain 40 percent. .FRIDAY...Partly cloudy with isolated showers in the morning, then variably cloudy with scattered showers with isolated thunderstorms in the afternoon. Highs around 92. Temperature falling in the afternoon. Chance of rain 50 percent. .FRIDAY NIGHT...Partly cloudy with isolated showers. Lows around 83. Chance of rain 20 percent. .SATURDAY...Partly cloudy with isolated showers. Highs around 92. Temperature falling in the afternoon. Chance of rain 20 percent. .SATURDAY NIGHT...Clear. Lows around 83. .SUNDAY...Variably cloudy with scattered showers in the morning, then partly cloudy with isolated showers in the afternoon. Highs around 92. Temperature falling in the afternoon. Chance of rain 40 percent. $$ PRZ002-212000- Northeast- Including the municipalities of Ceiba, Canovanas, Fajardo, Humacao, Loiza, Luquillo, Naguabo, and Rio Grande 243 AM AST Mon Sep 21 2026 ...HEAT ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 3 PM AST THIS AFTERNOON... .TODAY...Variably cloudy, then becoming partly cloudy late this morning, then becoming variably cloudy. Scattered showers. Isolated thunderstorms this afternoon. Highs around 92. Temperature falling this afternoon. Southeast winds 10 to 15 mph. Chance of rain 50 percent. .TONIGHT...Variably cloudy. Scattered showers with isolated thunderstorms in the evening, then numerous showers after midnight. Lows around 83. Southeast winds 5 to 10 mph. Chance of rain 60 percent. .TUESDAY...Variably cloudy with scattered showers. Isolated thunderstorms in the afternoon. Highs around 92. Temperature falling in the afternoon. Southeast winds 10 to 15 mph. Chance of rain 50 percent. .TUESDAY NIGHT...Variably cloudy with scattered showers. Lows around 83. East winds 5 to 10 mph. Chance of rain 50 percent. .WEDNESDAY...Variably cloudy with scattered showers. Highs around 92. Temperature falling in the afternoon. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 40 percent. .WEDNESDAY NIGHT...Partly cloudy with isolated showers. Lows around 83. Chance of rain 20 percent. .THURSDAY...Variably cloudy in the morning, then becoming mostly cloudy. Scattered showers. Isolated thunderstorms in the afternoon. Highs around 92. Temperature falling in the afternoon. Chance of rain 50 percent. .THURSDAY NIGHT...Mostly cloudy with scattered showers. Lows around 83. Chance of rain 50 percent. .FRIDAY...Mostly cloudy with scattered showers. Isolated thunderstorms in the afternoon. Highs around 92. Temperature falling in the afternoon. Chance of rain 50 percent. .FRIDAY NIGHT...Variably cloudy with scattered showers. Lows around 83. Chance of rain 30 percent. .SATURDAY...Partly cloudy with isolated showers. Highs around 92. Temperature falling in the afternoon. Chance of rain 20 percent. .SATURDAY NIGHT...Partly cloudy with isolated showers. Lows around 83. Chance of rain less than 20 percent. .SUNDAY...Variably cloudy with scattered showers. Highs around 92. Temperature falling in the afternoon. Chance of rain 40 percent. $$ PRZ003-212000- Southeast- Including the municipalities of Arroyo, Guayama, Maunabo, Patillas, Salinas, and Yabucoa 243 AM AST Mon Sep 21 2026 ...HEAT ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 3 PM AST THIS AFTERNOON... .TODAY...Variably cloudy, then becoming partly cloudy late this morning, then becoming sunny, then becoming partly cloudy late. Scattered showers, mainly this morning. Highs around 92. Temperature falling this afternoon. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent. .TONIGHT...Variably cloudy. Scattered showers with isolated thunderstorms in the evening, then numerous showers after midnight. Lows around 83. East winds 5 to 10 mph. Chance of rain 60 percent. .TUESDAY...Variably cloudy with scattered showers. Isolated thunderstorms in the afternoon. Highs around 92. Temperature falling in the afternoon. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent. .TUESDAY NIGHT...Variably cloudy with scattered showers. Lows around 83. East winds 5 to 10 mph. Chance of rain 50 percent. .WEDNESDAY...Variably cloudy with scattered showers in the morning, then partly cloudy with isolated showers in the afternoon. Highs around 92. Temperature falling in the afternoon. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 40 percent. .WEDNESDAY NIGHT...Mostly clear. Lows around 83. .THURSDAY...Partly cloudy with isolated showers. Highs around 92. Chance of rain 20 percent. .THURSDAY NIGHT...Variably cloudy with scattered showers. Lows around 83. Chance of rain 50 percent. .FRIDAY...Variably cloudy with scattered showers in the morning, then partly cloudy with isolated showers in the afternoon. Highs around 92. Temperature falling in the afternoon. Chance of rain 50 percent. .FRIDAY NIGHT...Partly cloudy with isolated showers. Lows around 83. Chance of rain 20 percent. .SATURDAY...Partly cloudy with isolated showers. Highs around 92. Temperature falling in the afternoon. Chance of rain 20 percent. .SATURDAY NIGHT...Clear. Lows around 83. .SUNDAY...Variably cloudy with scattered showers in the morning, then partly cloudy with isolated showers in the afternoon. Highs around 92. Temperature falling in the afternoon. Chance of rain 40 percent. $$ PRZ004-212000- Eastern Interior- Including the municipalities of Aguas Buenas, Caguas, Cayey, Cidra, Comerio, Gurabo, Juncos, Las Piedras, and San Lorenzo 243 AM AST Mon Sep 21 2026 ...HEAT ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 3 PM AST THIS AFTERNOON... .TODAY...Partly cloudy with scattered showers. Isolated thunderstorms this afternoon. Highs around 92. Temperature falling this afternoon. Southeast winds 10 to 15 mph. Chance of rain 50 percent. .TONIGHT...Isolated thunderstorms in the evening. Variably cloudy with scattered showers. Lows around 77. Southeast winds 5 to 10 mph. Chance of rain 50 percent. .TUESDAY...Variably cloudy with scattered showers. Isolated thunderstorms in the afternoon. Highs around 92. Temperature falling in the afternoon. Southeast winds 5 to 10 mph. Chance of rain 50 percent. .TUESDAY NIGHT...Variably cloudy with scattered showers. Lows around 77. East winds 5 to 10 mph. Chance of rain 50 percent. .WEDNESDAY...Variably cloudy with scattered showers in the morning, then partly cloudy with isolated showers in the afternoon. Highs around 92. Temperature falling in the afternoon. East winds 10 to 15 mph. Chance of rain 40 percent. .WEDNESDAY NIGHT...Partly cloudy with isolated showers. Lows around 77. Chance of rain 20 percent. .THURSDAY...Partly cloudy with isolated showers in the morning, then variably cloudy with scattered showers in the afternoon. Highs around 92. Temperature falling in the afternoon. Chance of rain 50 percent. .THURSDAY NIGHT...Variably cloudy with scattered showers. Lows around 77. Chance of rain 40 percent. .FRIDAY...Variably cloudy with scattered showers in the morning, then partly cloudy with isolated showers in the afternoon. Highs around 92. Temperature falling in the afternoon. Chance of rain 50 percent. .FRIDAY NIGHT...Partly cloudy with isolated showers. Lows around 78. Chance of rain 20 percent. .SATURDAY...Partly cloudy with isolated showers. Highs around 92. Temperature falling in the afternoon. Chance of rain 20 percent. .SATURDAY NIGHT...Clear. Lows around 77. .SUNDAY...Variably cloudy with scattered showers in the morning, then partly cloudy with isolated showers in the afternoon. Highs around 92. Temperature falling in the afternoon. Chance of rain 40 percent. $$ PRZ005-212000- North Central- Including the municipalities of Arecibo, Barceloneta, Dorado, Florida, Manati, Vega Alta, and Vega Baja 243 AM AST Mon Sep 21 2026 ...HEAT ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 3 PM AST THIS AFTERNOON... .TODAY...Partly cloudy with isolated showers this morning, then cloudy with showers with isolated thunderstorms this afternoon. Highs around 92. East winds 5 to 10 mph. Chance of rain 90 percent. .TONIGHT...Partly cloudy with scattered showers with isolated thunderstorms in the evening, then clear with isolated showers after midnight. Lows around 83. Southeast winds around 5 mph. Chance of rain 50 percent. .TUESDAY...Partly cloudy in the morning, then becoming variably cloudy. Scattered showers. Isolated thunderstorms in the afternoon. Highs around 92. Temperature falling in the afternoon. East winds 10 to 15 mph. Chance of rain 50 percent. .TUESDAY NIGHT...Variably cloudy with scattered showers in the evening, then clear with isolated showers after midnight. Lows around 83. Southeast winds 5 to 10 mph. Chance of rain 40 percent. .WEDNESDAY...Partly cloudy with isolated showers in the morning, then variably cloudy with scattered showers with isolated thunderstorms in the afternoon. Highs around 92. Temperature falling in the afternoon. East winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 50 percent. .WEDNESDAY NIGHT...Partly cloudy with isolated showers. Lows around 83. Chance of rain 20 percent. .THURSDAY...Partly cloudy with isolated showers in the morning, then mostly cloudy with scattered showers with isolated thunderstorms in the afternoon. Highs around 92. Temperature falling in the afternoon. Chance of rain 50 percent. .THURSDAY NIGHT...Partly cloudy with isolated showers. Lows around 83. Chance of rain 20 percent. .FRIDAY...Partly cloudy with isolated showers in the morning, then variably cloudy with scattered showers with isolated thunderstorms in the afternoon. Highs around 92. Temperature falling in the afternoon. Chance of rain 50 percent. .FRIDAY NIGHT...Clear. Lows around 83. .SATURDAY...Sunny in the morning, then variably cloudy with scattered showers in the afternoon. Highs around 92. Temperature falling in the afternoon. Chance of rain 40 percent. .SATURDAY NIGHT...Clear. Lows around 83. .SUNDAY...Sunny in the morning, then variably cloudy with scattered showers with isolated thunderstorms in the afternoon. Highs around 92. Chance of rain 50 percent. $$ PRZ006-212000- Central Interior- Including the municipalities of Aibonito, Barranquitas, Ciales, Coamo, Corozal, Jayuya, Morovis, Naranjito, Orocovis, and Villalba 243 AM AST Mon Sep 21 2026 ...HEAT ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 3 PM AST THIS AFTERNOON... .TODAY...Partly cloudy with isolated showers this morning, then mostly cloudy with numerous showers with isolated thunderstorms this afternoon. Highs around 91. Temperature falling this afternoon. Southeast winds 5 to 10 mph with gusts up to 25 mph. Chance of rain 70 percent. .TONIGHT...Partly cloudy. Scattered showers with isolated thunderstorms in the evening, then isolated showers after midnight. Lows around 76. Southeast winds around 5 mph. Chance of rain 50 percent. .TUESDAY...Variably cloudy with scattered showers in the morning, then mostly cloudy with numerous showers with isolated thunderstorms in the afternoon. Highs around 91. Temperature falling in the afternoon. Southeast winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 70 percent. .TUESDAY NIGHT...Variably cloudy with scattered showers in the evening, then partly cloudy with isolated showers after midnight. Lows around 76. East winds around 5 mph. Chance of rain 40 percent. .WEDNESDAY...Variably cloudy with scattered showers. Highs around 91. Temperature falling in the afternoon. East winds 10 to 15 mph. Chance of rain 40 percent. .WEDNESDAY NIGHT...Partly cloudy with isolated showers. Lows around 76. Chance of rain less than 20 percent. .THURSDAY...Partly cloudy with isolated showers in the morning, then variably cloudy with scattered showers with isolated thunderstorms in the afternoon. Highs around 92. Temperature falling in the afternoon. Chance of rain 50 percent. .THURSDAY NIGHT...Partly cloudy with isolated showers. Lows around 76. Chance of rain 20 percent. .FRIDAY...Partly cloudy with isolated showers in the morning, then variably cloudy with scattered showers with isolated thunderstorms in the afternoon. Highs around 92. Temperature falling in the afternoon. Chance of rain 50 percent. .FRIDAY NIGHT...Partly cloudy with isolated showers. Lows around 77. Chance of rain less than 20 percent. .SATURDAY...Mostly sunny with isolated showers in the morning, then variably cloudy with scattered showers in the afternoon. Highs around 92. Temperature falling in the afternoon. Chance of rain 40 percent. .SATURDAY NIGHT...Clear. Lows around 76. .SUNDAY...Partly cloudy with isolated showers. Highs around 91. Temperature falling in the afternoon. Chance of rain 20 percent. $$ PRZ007-212000- Ponce and Vicinity- Including the municipalities of Guayanilla, Juana Diaz, Yauco, Penuelas, Ponce, and Santa Isabel 243 AM AST Mon Sep 21 2026 ...HEAT ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 3 PM AST THIS AFTERNOON... .TODAY...Variably cloudy, then becoming partly cloudy this late morning and early afternoon, then becoming variably cloudy. Isolated showers this morning, then scattered showers with isolated thunderstorms this afternoon. Highs around 92. Temperature falling this afternoon. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent. .TONIGHT...Partly cloudy with isolated showers. Lows around 83. East winds 5 to 10 mph. Chance of rain 20 percent. .TUESDAY...Partly cloudy with isolated showers in the morning, then variably cloudy with scattered showers with isolated thunderstorms in the afternoon. Highs around 92. Temperature falling in the afternoon. Southeast winds 5 to 10 mph with gusts up to 25 mph. Chance of rain 50 percent. .TUESDAY NIGHT...Variably cloudy with scattered showers in the evening, then clear with isolated showers after midnight. Lows around 83. East winds 5 to 10 mph. Chance of rain 40 percent. .WEDNESDAY...Partly cloudy with isolated showers in the morning, then variably cloudy with scattered showers in the afternoon. Highs around 92. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 30 percent. .WEDNESDAY NIGHT...Mostly clear. Lows around 83. .THURSDAY...Partly cloudy with isolated showers. Highs around 92. Chance of rain 20 percent. .THURSDAY NIGHT...Partly cloudy with isolated showers. Lows around 83. Chance of rain 20 percent. .FRIDAY...Mostly sunny in the morning, then becoming partly cloudy. Isolated showers. Highs around 92. Chance of rain 20 percent. .FRIDAY NIGHT...Mostly clear with isolated showers. Lows around 83. Chance of rain less than 20 percent. .SATURDAY...Mostly sunny in the morning, then partly cloudy with isolated showers in the afternoon. Highs around 92. Temperature falling in the afternoon. Chance of rain 20 percent. .SATURDAY NIGHT...Partly cloudy with isolated showers. Lows around 83. Chance of rain less than 20 percent. .SUNDAY...Partly cloudy with isolated showers. Highs around 92. Chance of rain 20 percent. $$ PRZ008-212000- Northwest- Including the municipalities of Aguadilla, Camuy, Hatillo, Isabela, and Quebradillas 243 AM AST Mon Sep 21 2026 ...HEAT ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 3 PM AST THIS AFTERNOON... .TODAY...Sunny this morning, then cloudy with showers with isolated thunderstorms this afternoon. Highs around 92. Temperature falling this afternoon. East winds 5 to 10 mph. Chance of rain 90 percent. .TONIGHT...Partly cloudy with numerous showers with isolated thunderstorms in the evening, then clear after midnight. Lows around 83. Southeast winds around 5 mph. Chance of rain 70 percent. .TUESDAY...Sunny in the morning, then becoming variably cloudy. Scattered showers. Isolated thunderstorms in the afternoon. Highs around 92. East winds 5 to 10 mph. Chance of rain 50 percent. .TUESDAY NIGHT...Variably cloudy with scattered showers in the evening, then partly cloudy with isolated showers after midnight. Lows around 83. East winds 5 to 10 mph. Chance of rain 40 percent. .WEDNESDAY...Partly cloudy with isolated showers in the morning, then mostly cloudy with scattered showers with isolated thunderstorms in the afternoon. Highs around 92. East winds 5 to 10 mph. Chance of rain 50 percent. .WEDNESDAY NIGHT...Variably cloudy with scattered showers. Lows around 83. Chance of rain 40 percent. .THURSDAY...Mostly sunny in the morning, then cloudy with numerous showers with isolated thunderstorms in the afternoon. Highs around 92. Temperature falling in the afternoon. Chance of rain 70 percent. .THURSDAY NIGHT...Partly cloudy with isolated showers. Lows around 83. Chance of rain less than 20 percent. .FRIDAY...Partly cloudy in the morning, then mostly cloudy with numerous showers with isolated thunderstorms in the afternoon. Highs around 92. Temperature falling in the afternoon. Chance of rain 60 percent. .FRIDAY NIGHT...Clear. Lows around 83. .SATURDAY...Sunny in the morning, then variably cloudy with scattered showers in the afternoon. Highs around 92. Temperature falling in the afternoon. Chance of rain 40 percent. .SATURDAY NIGHT...Partly cloudy with isolated showers. Lows around 83. Chance of rain 20 percent. .SUNDAY...Sunny in the morning, then mostly cloudy with scattered showers with isolated thunderstorms in the afternoon. Highs around 92. Temperature falling in the afternoon. Chance of rain 50 percent. $$ PRZ009-212000- Western Interior- Including the municipalities of Adjuntas, Lares, Las Marias, Maricao, Sabana Grande, San Sebastian, and Utuado 243 AM AST Mon Sep 21 2026 ...HEAT ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 3 PM AST THIS AFTERNOON... .TODAY...Sunny this morning, then cloudy with showers with isolated thunderstorms this afternoon. Highs around 92. Temperature falling this afternoon. Southeast winds around 5 mph with gusts up to 25 mph. Chance of rain 90 percent. .TONIGHT...Partly cloudy with scattered showers with isolated thunderstorms in the evening, then clear with isolated showers after midnight. Lows around 76. Southeast winds around 5 mph. Chance of rain 50 percent. .TUESDAY...Partly cloudy with scattered showers in the morning, then cloudy with showers with isolated thunderstorms in the afternoon. Highs around 92. Temperature falling in the afternoon. East winds around 5 mph with gusts up to 20 mph. Chance of rain 80 percent. .TUESDAY NIGHT...Variably cloudy with scattered showers in the evening, then partly cloudy with isolated showers after midnight. Lows around 76. East winds around 5 mph. Chance of rain 50 percent. .WEDNESDAY...Partly cloudy with isolated showers in the morning, then variably cloudy with scattered showers with isolated thunderstorms in the afternoon. Highs around 92. Temperature falling in the afternoon. East winds around 5 mph. Gusts up to 20 mph in the afternoon. Chance of rain 50 percent. .WEDNESDAY NIGHT...Partly cloudy with isolated showers. Lows around 76. Chance of rain 20 percent. .THURSDAY...Sunny in the morning, then cloudy with numerous showers with isolated thunderstorms in the afternoon. Highs around 92. Temperature falling in the afternoon. Chance of rain 70 percent. .THURSDAY NIGHT...Partly cloudy with isolated showers. Lows around 77. Chance of rain 20 percent. .FRIDAY...Sunny in the morning, then mostly cloudy with numerous showers with isolated thunderstorms in the afternoon. Highs around 92. Temperature falling in the afternoon. Chance of rain 60 percent. .FRIDAY NIGHT...Clear. Lows around 77. .SATURDAY...Sunny in the morning, then variably cloudy with scattered showers in the afternoon. Highs around 92. Temperature falling in the afternoon. Chance of rain 40 percent. .SATURDAY NIGHT...Partly cloudy with isolated showers. Lows around 77. Chance of rain less than 20 percent. .SUNDAY...Sunny in the morning, then mostly cloudy with scattered showers with isolated thunderstorms in the afternoon. Highs around 92. Chance of rain 50 percent. $$ PRZ010-212000- Mayaguez and Vicinity- Including the municipalities of Aguada, Anasco, Hormigueros, Mayaguez, Moca, Rincon, and San German 243 AM AST Mon Sep 21 2026 ...HEAT ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 3 PM AST THIS AFTERNOON... .TODAY...Sunny with isolated showers this morning, then cloudy with numerous showers with isolated thunderstorms this afternoon. Highs around 92. East winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 70 percent. .TONIGHT...Partly cloudy with scattered showers with isolated thunderstorms in the evening, then clear with isolated showers after midnight. Lows around 83. East winds 5 to 10 mph. Chance of rain 50 percent. .TUESDAY...Partly cloudy with scattered showers in the morning, then cloudy with showers with isolated thunderstorms in the afternoon. Highs around 92. East winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 80 percent. .TUESDAY NIGHT...Variably cloudy with scattered showers. Lows around 83. East winds 5 to 10 mph. Chance of rain 50 percent. .WEDNESDAY...Partly cloudy with isolated showers in the morning, then variably cloudy with scattered showers with isolated thunderstorms in the afternoon. Highs around 92. East winds 5 to 10 mph. Chance of rain 50 percent. .WEDNESDAY NIGHT...Partly cloudy with isolated showers. Lows around 83. Chance of rain 20 percent. .THURSDAY...Sunny in the morning, then cloudy with numerous showers with isolated thunderstorms in the afternoon. Highs around 92. Chance of rain 70 percent. .THURSDAY NIGHT...Partly cloudy with isolated showers. Lows around 83. Chance of rain 20 percent. .FRIDAY...Sunny in the morning, then mostly cloudy with numerous showers with isolated thunderstorms in the afternoon. Highs around 92. Temperature falling in the afternoon. Chance of rain 60 percent. .FRIDAY NIGHT...Clear. Lows around 83. .SATURDAY...Sunny in the morning, then variably cloudy with scattered showers in the afternoon. Highs around 92. Temperature falling in the afternoon. Chance of rain 40 percent. .SATURDAY NIGHT...Partly cloudy with isolated showers. Lows around 83. Chance of rain 20 percent. .SUNDAY...Sunny in the morning, then mostly cloudy with scattered showers with isolated thunderstorms in the afternoon. Highs around 92. Chance of rain 50 percent. $$ PRZ011-212000- Southwest- Including the municipalities of Cabo Rojo, Guanica, and Lajas 243 AM AST Mon Sep 21 2026 ...HEAT ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 3 PM AST THIS AFTERNOON... .TODAY...Partly cloudy with scattered showers. Isolated thunderstorms this afternoon. Highs around 92. Temperature falling this afternoon. Southeast winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 50 percent. .TONIGHT...Partly cloudy with isolated showers. Lows around 83. East winds 10 to 15 mph. Chance of rain 20 percent. .TUESDAY...Partly cloudy with isolated showers in the morning, then mostly cloudy with numerous showers with isolated thunderstorms in the afternoon. Highs around 92. Temperature falling in the afternoon. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent. .TUESDAY NIGHT...Variably cloudy with scattered showers. Lows around 83. East winds 5 to 10 mph. Chance of rain 50 percent. .WEDNESDAY...Partly cloudy with isolated showers in the morning, then variably cloudy with scattered showers in the afternoon. Highs around 92. Temperature falling in the afternoon. East winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 30 percent. .WEDNESDAY NIGHT...Partly cloudy with isolated showers. Lows around 83. Chance of rain less than 20 percent. .THURSDAY...Sunny in the morning, then partly cloudy with isolated showers in the afternoon. Highs around 92. Temperature falling in the afternoon. Chance of rain 20 percent. .THURSDAY NIGHT...Partly cloudy with isolated showers. Lows around 83. Chance of rain 20 percent. .FRIDAY...Sunny in the morning, then partly cloudy with isolated showers in the afternoon. Highs around 92. Temperature falling in the afternoon. Chance of rain 20 percent. .FRIDAY NIGHT...Clear. Lows around 83. .SATURDAY...Mostly sunny in the morning, then partly cloudy with isolated showers in the afternoon. Highs around 92. Temperature falling in the afternoon. Chance of rain 20 percent. .SATURDAY NIGHT...Partly cloudy with isolated showers. Lows around 83. Chance of rain less than 20 percent. .SUNDAY...Sunny in the morning, then partly cloudy with isolated showers in the afternoon. Highs around 92. Temperature falling in the afternoon. Chance of rain 20 percent. $$ PRZ012-212000- Culebra- 243 AM AST Mon Sep 21 2026 ...HEAT ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 3 PM AST THIS AFTERNOON... .TODAY...Variably cloudy, then becoming partly cloudy late this morning, then becoming variably cloudy. Scattered showers. Isolated thunderstorms this afternoon. Highs around 92. Southeast winds around 10 mph. Chance of rain 50 percent. .TONIGHT...Partly cloudy in the evening, then becoming variably cloudy. Isolated thunderstorms in the evening. Scattered showers. Lows around 83. East winds 10 to 15 mph. Chance of rain 50 percent. .TUESDAY...Variably cloudy with scattered showers. Isolated thunderstorms in the afternoon. Highs around 92. East winds 10 to 15 mph. Chance of rain 50 percent. .TUESDAY NIGHT...Variably cloudy with scattered showers. Lows around 83. East winds 10 to 15 mph. Chance of rain 40 percent. .WEDNESDAY...Variably cloudy with scattered showers in the morning, then partly cloudy with isolated showers in the afternoon. Highs around 92. East winds around 15 mph. Chance of rain 40 percent. .WEDNESDAY NIGHT...Variably cloudy with scattered showers. Lows around 83. Chance of rain 30 percent. .THURSDAY...Variably cloudy with scattered showers. Highs around 92. Chance of rain 40 percent. .THURSDAY NIGHT...Mostly cloudy with scattered showers. Lows around 81. Chance of rain 50 percent. .FRIDAY...Mostly cloudy with scattered showers. Isolated thunderstorms in the afternoon. Highs around 92. Chance of rain 50 percent. .FRIDAY NIGHT...Partly cloudy with isolated showers. Lows around 81. Chance of rain 20 percent. .SATURDAY...Variably cloudy with scattered showers in the morning, then partly cloudy with isolated showers in the afternoon. Highs around 92. Chance of rain 30 percent. .SATURDAY NIGHT...Partly cloudy with isolated showers. Lows around 81. Chance of rain less than 20 percent. .SUNDAY...Variably cloudy with scattered showers. Highs around 92. Chance of rain 40 percent. $$ PRZ013-212000- Vieques- 243 AM AST Mon Sep 21 2026 ...HEAT ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 3 PM AST THIS AFTERNOON... .TODAY...Variably cloudy, then becoming partly cloudy late this morning, then becoming variably cloudy. Scattered showers. Isolated thunderstorms this afternoon. Highs around 92. Temperature falling this afternoon. Southeast winds 5 to 10 mph. Chance of rain 50 percent. .TONIGHT...Isolated thunderstorms in the evening. Variably cloudy with scattered showers. Lows around 83. East winds 10 to 15 mph. Chance of rain 50 percent. .TUESDAY...Variably cloudy with scattered showers. Highs around 92. Temperature falling in the afternoon. East winds 10 to 15 mph. Chance of rain 40 percent. .TUESDAY NIGHT...Variably cloudy with scattered showers in the evening, then partly cloudy with isolated showers after midnight. Lows around 83. East winds 10 to 15 mph. Chance of rain 50 percent. .WEDNESDAY...Variably cloudy with scattered showers. Highs around 92. Temperature falling in the afternoon. East winds 10 to 15 mph. Chance of rain 40 percent. .WEDNESDAY NIGHT...Partly cloudy with isolated showers. Lows around 83. Chance of rain 20 percent. .THURSDAY...Variably cloudy with scattered showers in the morning, then partly cloudy with isolated showers in the afternoon. Highs around 92. Temperature falling in the afternoon. Chance of rain 40 percent. .THURSDAY NIGHT...Mostly cloudy with scattered showers. Lows around 83. Chance of rain 50 percent. .FRIDAY...Mostly cloudy with scattered showers. Isolated thunderstorms in the afternoon. Highs around 92. Temperature falling in the afternoon. Chance of rain 50 percent. .FRIDAY NIGHT...Partly cloudy with isolated showers. Lows around 83. Chance of rain 20 percent. .SATURDAY...Partly cloudy with isolated showers. Highs around 92. Temperature falling in the afternoon. Chance of rain 20 percent. .SATURDAY NIGHT...Partly cloudy with isolated showers. Lows around 83. Chance of rain less than 20 percent. .SUNDAY...Variably cloudy with scattered showers. Highs around 92. Temperature falling in the afternoon. Chance of rain 40 percent. $$ VIZ001-212000- St Thomas, St John and Adjacent Islands- 243 AM AST Mon Sep 21 2026 ...HEAT ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 3 PM AST THIS AFTERNOON... .TODAY...Variably cloudy, then becoming partly cloudy late this morning, then becoming variably cloudy. Scattered showers. Highs around 92. Southeast winds around 10 mph. Chance of rain 50 percent. .TONIGHT...Partly cloudy in the evening, then becoming variably cloudy. Isolated thunderstorms in the evening. Scattered showers. Lows around 83. East winds 10 to 15 mph. Chance of rain 50 percent. .TUESDAY...Variably cloudy with scattered showers. Highs around 92. East winds 10 to 15 mph. Chance of rain 40 percent. .TUESDAY NIGHT...Partly cloudy with isolated showers in the evening, then variably cloudy with scattered showers after midnight. Lows around 83. East winds 10 to 15 mph. Chance of rain 30 percent. .WEDNESDAY...Variably cloudy with scattered showers in the morning, then partly cloudy with isolated showers in the afternoon. Highs around 92. East winds around 15 mph. Chance of rain 30 percent. .WEDNESDAY NIGHT...Variably cloudy with scattered showers. Lows around 83. Chance of rain 30 percent. .THURSDAY...Variably cloudy with scattered showers in the morning, then partly cloudy with isolated showers in the afternoon. Highs around 92. Chance of rain 30 percent. .THURSDAY NIGHT...Mostly cloudy with scattered showers. Lows around 83. Chance of rain 50 percent. .FRIDAY...Mostly cloudy in the morning, then becoming variably cloudy. Scattered showers. Highs around 92. Chance of rain 50 percent. .FRIDAY NIGHT...Partly cloudy. Lows around 83. .SATURDAY...Partly cloudy with isolated showers. Highs around 92. Chance of rain 20 percent. .SATURDAY NIGHT...Partly cloudy with isolated showers. Lows around 83. Chance of rain less than 20 percent. .SUNDAY...Variably cloudy with scattered showers in the morning, then mostly sunny in the afternoon. Highs around 92. Chance of rain 40 percent. $$ VIZ002-212000- St Croix- 243 AM AST Mon Sep 21 2026 ...HEAT ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 3 PM AST THIS AFTERNOON... .TODAY...Variably cloudy, then becoming partly cloudy late this morning, then becoming variably cloudy. Scattered showers. Isolated thunderstorms this afternoon. Highs around 92. Temperature falling this afternoon. Southeast winds 10 to 15 mph. Chance of rain 40 percent. .TONIGHT...Variably cloudy with scattered showers. Lows around 83. East winds 10 to 15 mph. Chance of rain 30 percent. .TUESDAY...Variably cloudy with scattered showers. Isolated thunderstorms in the afternoon. Highs around 92. Temperature falling in the afternoon. East winds 10 to 15 mph. Chance of rain 40 percent. .TUESDAY NIGHT...Partly cloudy with isolated showers in the evening, then clear after midnight. Lows around 83. East winds 10 to 15 mph. Chance of rain 20 percent. .WEDNESDAY...Partly cloudy with isolated showers in the morning, then variably cloudy with scattered showers in the afternoon. Highs around 92. East winds around 15 mph with gusts up to 25 mph. Chance of rain 30 percent. .WEDNESDAY NIGHT...Variably cloudy with scattered showers. Lows around 83. Chance of rain 30 percent. .THURSDAY...Partly cloudy with isolated showers. Highs around 92. Chance of rain 20 percent. .THURSDAY NIGHT...Mostly cloudy with scattered showers. Lows around 83. Chance of rain 50 percent. .FRIDAY...Variably cloudy with scattered showers in the morning, then partly cloudy with isolated showers in the afternoon. Highs around 92. Chance of rain 30 percent. .FRIDAY NIGHT...Partly cloudy with isolated showers. Lows around 83. Chance of rain less than 20 percent. .SATURDAY...Partly cloudy with isolated showers. Highs around 92. Chance of rain 20 percent. .SATURDAY NIGHT...Partly cloudy with isolated showers. Lows around 83. Chance of rain less than 20 percent. .SUNDAY...Variably cloudy with scattered showers in the morning, then partly cloudy with isolated showers in the afternoon. Highs around 92. Chance of rain 30 percent. $$