Active Weather Alerts
Flash Flood Warning
Issued: 2:50 PM Sep. 13, 2026 – National Weather Service
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL NOON EDT TODAY FOR CENTRAL FAIRFIELD, NORTHERN MIDDLESEX, NORTHWESTERN NEW HAVEN, WESTERN NEW LONDON AND EASTERN PUTNAM COUNTIES... At 1050 AM EDT, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain across the warned area. Between 1 and 3 inches of rain have fallen. The expected rainfall rate is 1 to 2 inches in 1 hour. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar and automated gauges. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. Some locations that will experience flash flooding include... Waterbury, Danbury, Meriden, Middletown, Wallingford, Naugatuck, Southbury, Wolcott, Colchester, East Hampton, Durham, Sherman, Newtown, Hamden, Cheshire, Monroe, Bethel and Seymour. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Move to higher ground now. Act quickly to protect your life. Be aware of your surroundings and do not drive on flooded roads. Excessive runoff from heavy rainfall will cause flooding of urban areas, highways, streets and underpasses as well as other drainage areas and low lying spots. 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. && FLASH FLOOD...RADAR AND GAUGE INDICATED; EXPECTED RAINFALL RATE...1-2 INCHES IN 1 HOUR
Flash Flood Warning
Issued: 2:21 PM Sep. 13, 2026 – National Weather Service
The National Weather Service in Upton has extended the * Flash Flood Warning for... Central Fairfield County in southern Connecticut... Middlesex County in southern Connecticut... Southern New Haven County in southern Connecticut... Southwestern New London County in southern Connecticut... * Until 1230 PM EDT. * At 1021 AM EDT, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain across the warned area. Between 2.5 and 3.5 inches of rain have fallen. The expected rainfall rate is 1 to 2 inches in 1 hour. Additional rainfall amounts of 1 to 1.5 inches are possible in the warned area. Flash flooding is already occurring. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Radar and automated gauges. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. * Some locations that will experience flash flooding include... New Haven, Milford, Middletown, Wallingford, Shelton, Guilford, Colchester, Clinton, East Hampton, Old Saybrook, Durham, Chester, Hamden, Stratford, Branford, North Haven, East Lyme, Seymour and North Branford. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads. Excessive runoff from heavy rainfall will cause flooding of urban areas, highways, streets and underpasses as well as other drainage areas and low lying spots. 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. && FLASH FLOOD...RADAR AND GAUGE INDICATED; FLASH FLOOD DAMAGE THREAT...CONSIDERABLE; EXPECTED RAINFALL RATE...1-2 INCHES IN 1 HOUR
Flash Flood Warning
Issued: 2:08 PM Sep. 13, 2026 – National Weather Service
The National Weather Service in Upton has issued a * Flash Flood Warning for... Central Middlesex County in southern Connecticut... New London County in southern Connecticut... * Until 100 PM EDT. * At 1008 AM EDT, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2 inches of rain have fallen. The expected rainfall rate is 1 to 2 inches in 1 hour. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar and automated gauges. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Jewett City, Norwich, New London, Colchester, Groton, Salem, Mystic, Waterford, East Lyme, Ledyard, Griswold, East Haddam, Old Lyme, Lebanon, Preston, Lisbon, Sprague, Bozrah, Voluntown and Lyme. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads. Excessive runoff from heavy rainfall will cause flooding of urban areas, highways, streets and underpasses as well as other drainage areas and low lying spots. && FLASH FLOOD...RADAR AND GAUGE INDICATED; EXPECTED RAINFALL RATE...1-2 INCHES IN 1 HOUR
Flood Watch
Issued: 6:07 AM Sep. 13, 2026 – National Weather Service
...FLOOD WATCH REMAINS IN EFFECT FROM 6 AM THIS MORNING TO 2 PM EDT THIS AFTERNOON... * 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 PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. &&
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