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Severe · Flood WatchActive alert

Flood Watch issued September 13 at 2:07AM EDT until September 13 at

Affecting Northern Middlesex; Northern New London; Southern Fairfield; Southern New Haven; Southern Middlesex; Southern New London; Northwest Suffolk; Northeast Suffolk; Southwest Suffolk; Southeast Suffolk; Northern Nassau; Southern Nassau

In effect until: Sep 13, 2026, 4:00 PM

Northern Middlesex; Northern New London; Southern Fairfield; Southern New Haven; Southern Middlesex; Southern New London; Northwest Suffolk; Northeast Suffolk; Southwest Suffolk; Southeast Suffolk; Northern Nassau; Southern Nassau

Possible impact zone; conditions develop through 4:00 PM.

You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.

Read the original bulletin (official text)
* WHAT...Flash flooding caused by excessive rainfall is possible.

* WHERE...Portions of southern Connecticut, including the following
areas, Northern Middlesex, Northern New London, Southern Fairfield,
Southern Middlesex, Southern New Haven and Southern New London and
southeast New York, including the following areas, Northeast
Suffolk, Northern Nassau, Northwest Suffolk, Southeast Suffolk,
Southern Nassau and Southwest Suffolk.

* WHEN...From 6 AM this morning to 2 PM EDT this afternoon.

* IMPACTS...Excessive runoff may result in flooding in poor drainage
areas, rivers, creeks, streams, and other low-lying and flood-prone
locations.

* ADDITIONAL DETAILS...
- Showers with heavy downpours and a few thunderstorms early Sunday
morning into midday Sunday may lead to flooding. Average rainfall
amounts are forecast to range from 1.5 to 2.5 inches with locally
higher amounts of 3 to 5 inches possible. Peak hourly rates could
reach 2 to 2.5 inches.
- http://www.weather.gov/safety/flood
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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™