Windham, CT Warnings, Watches and Advisories

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State: CT Alerts: 2 Updated: Sep 12, 2026 4:19pm EDT

Flood Watch

Area
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
Flood Watch issued September 12 at 3:05PM EDT until September 13 at 2:00PM EDT by NWS Upton NY

* WHAT...Flooding caused by excessive rainfall continues to be 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 Sunday morning into midday Sunday * IMPACTS...Excessive runoff may result in flooding of 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 3 inches with locally higher amounts of 5 to 7 inches possible. Peak hourly rates could reach 2 to 2.5 inches. - http://www.weather.gov/safety/flood

Flood Watch

Area
Windham; Southern Worcester; Western Norfolk; Suffolk; Eastern Norfolk
Flood Watch issued September 12 at 1:18PM EDT until September 13 at 6:00PM EDT by NWS Boston/Norton MA

* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of northern Connecticut, including the following area, Windham CT and Massachusetts, including the following areas, Eastern Norfolk MA, Southern Worcester MA, Suffolk MA and Western Norfolk MA. * WHEN...From late tonight through Sunday 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... - Showers and a few embedded thunderstorms with localized narrow bands of torrential rainfall are possible very late tonight into Sunday afternoon. Widespread rainfall amounts of 0.50 to 2 inches are expected. However...localized narrow bands of 2-4" of rain are possible within a 3 hour period. While it remains uncertain if these narrow bands of heavier rain occur...the potential exists for localized flash flooding...especially if it were to occur over a vulnerable urban center. - http://www.weather.gov/safety/flood

SAFETY and DATA MESSAGE

Do not drive vehicles through flooded areas. The water depth or fast flowing water/mud/debris from a flash flood will make road conditions unsafe. Do not rely soley on data presented here or other third-party websites - always check your official national and local weather service agency website, socials, radio and/or TV stations for making critical decisions related to weather events.

Please carefully read each posted Warning and Alert as it relates to the area(s) being affected. We may provide a wider range of issued severe weather warnings for surrounding cities and counties, so some alerts may not directly impact this location. This is done to help with preparing for severe weather that may overlap or be heading towards Windham.

Use the Radar Maps link provided to understand the trajectory of a storm.

Disclaimer

This severe weather alerts report is valid for ZIP code 06280, accurately covering the area of Windham, CT.

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Overcast 77°F
30.08 inHg.
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Humidity
S 14 mph
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