Active Weather Alerts
Severe Thunderstorm Warning
Issued: 4:40 PM Jul. 21, 2026 – National Weather Service
The National Weather Service in Upton NY has issued a * Severe Thunderstorm Warning for... Southern Fairfield County in southern Connecticut... South central New Haven County in southern Connecticut... * Until 130 PM EDT. * At 1238 PM EDT, a severe thunderstorm was located over Westport, or near Norwalk, moving east at 20 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to trees and power lines. * This severe thunderstorm will be near... Bridgeport and Fairfield around 1245 PM EDT. Stratford around 100 PM EDT. Milford around 110 PM EDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && HAIL THREAT...RADAR INDICATED; MAX HAIL SIZE...<.75 IN; WIND THREAT...RADAR INDICATED; MAX WIND GUST...60 MPH
Flash Flood Warning
Issued: 4:01 PM Jul. 21, 2026 – National Weather Service
The National Weather Service in Upton has issued a * Flash Flood Warning for... Fairfield County in southern Connecticut... Western New Haven County in southern Connecticut... * Until 300 PM EDT. * At 1201 PM 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 2.5 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... Bridgeport, New Haven, Stamford, Waterbury, Norwalk, Danbury, Milford, Shelton, Naugatuck, Southbury, New Canaan, Wolcott, Newtown, Fairfield, Greenwich, Hamden, Stratford, Trumbull, Cheshire and Westport. 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. If you are in a basement, be prepared to move to a higher floor. 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...1-2.5 INCHES IN 1 HOUR
Flood Advisory
Issued: 3:45 PM Jul. 21, 2026 – National Weather Service
...FLOOD ADVISORY IN EFFECT UNTIL 245 PM EDT THIS AFTERNOON... * WHAT...Urban and small stream flooding caused by excessive rainfall is expected. * WHERE...A portion of southern Connecticut, including the following counties, Fairfield and New Haven. * WHEN...Until 245 PM EDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Water over roadways. Overflowing poor drainage areas. Ponding of water in urban or other areas is occurring or is imminent. * ADDITIONAL DETAILS... - At 1145 AM EDT, Doppler radar and automated rain gauges indicated heavy rain due to thunderstorms. This will cause urban and small stream flooding. Between 1 and 2 inches of rain have fallen. - Additional rainfall amounts of 1 to 2 inches are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Bridgeport, New Haven, Stamford, Waterbury, Norwalk, Danbury, Milford, Shelton, Naugatuck, Southbury, New Canaan, Wolcott, Newtown, Fairfield, Greenwich, Hamden, Stratford, Trumbull, Cheshire and Westport. - http://www.weather.gov/safety/flood 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. &&
Flood Watch
Issued: 1:52 PM Jul. 21, 2026 – National Weather Service
...FLOOD WATCH IN EFFECT THROUGH LATE TONIGHT... * WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of southern Connecticut, including the following areas, Northern Fairfield, Northern New Haven and Southern Fairfield and southeast New York, including the following areas, Northern Westchester, Orange, Putnam, Rockland and Southern Westchester. * WHEN...Through late tonight. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. * ADDITIONAL DETAILS... - Multiple rounds of heavy downpours and thunderstorms are expected this morning into tonight. Averaged rainfall totals will be between 1 and 2 inches, with localized swaths of 3 to 4 inches possible. Peak rainfall rates in the strongest storms could be 2-3 inches per hour. - 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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