Active Weather Alerts
Flood Watch
Issued: 5:06 AM Jun. 30, 2025 – National Weather Service
...FLOOD WATCH REMAINS IN EFFECT THROUGH TUESDAY AFTERNOON... * WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Guam. * WHEN...Through Tuesday afternoon. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - Between 4 and 8 inches of rain has fallen over the last few days across Guam. A monsoon disturbance northeast of the region will allow for a wet southwesterly pattern to continue across the region over the next couple of days. This will allow for back-filling showers over Guam, locally heavy showers are possible. An additional 2 to 4 inches of rain will be possible through Tuesday afternoon, which could lead to flash flooding. - http://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. &&
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