Puerto Rico Flood Warning | Effective 04/16/2026 16:43

Headline: 
Flood Warning issued April 16 at 7:43PM AST until April 16 at 10:30PM AST by NWS San Juan PR
Event: 
Flood Warning
Urgency: 
Expected
Effective: 
April 16, 2026 - 4:43pm
Expires: 
April 16, 2026 - 7:30pm
Description: 
* WHAT...Flooding caused by excessive rainfall continues. * WHERE...Humacao and Yabucoa. * WHEN...Until 1030 PM AST. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. Low-water crossings are inundated with water and may not be passable. * ADDITIONAL DETAILS... - At 743 PM AST, Doppler radar indicated heavy rain due to thunderstorms. Flooding is ongoing or expected to begin shortly in the warned area. Between 3 and 7 inches of rain have fallen. - Additional rainfall amounts up to 2 inches are possible in the warned area.
Instruction: 
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely.
Area Description: 
Humacao, PR; Yabucoa, PR
Forcast Office: 
NWS San Juan PR