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New York, NY Warnings, Watches and Advisories

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 New York.

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

NWS Active Alerts for NY - Map View

State: NY Total alerts: 2 Updated: Apr 21, 2026 3:26am EDT

Flood Warning

Area
Tompkins, NY
Flood Warning issued April 20 at 8:08PM EDT by NWS Binghamton NY

...The Flood Warning continues for the following rivers in New York... Cayuga Lake At Ithaca affecting Tompkins County. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Cayuga Lake at Ithaca. * WHEN...Until further notice. * IMPACTS...At 383.5 feet, The lake level is high enough to flood normally dry areas along the shoreline and may affect some paths, or roads nearest the shore. * ADDITIONAL DETAILS... - At 7:00 PM EDT Monday the stage was 383.7 feet. - Forecast...The river is expected to remain steady above flood stage at 383.6 feet. - Flood stage is 383.5 feet. - https://www.weather.gov/safety/flood

Freeze Warning

Area
Northern Fairfield; Northern New Haven; Northern Middlesex; Northern New London; Southern Fairfield; Southern New Haven; Southern Middlesex; Southern New London; Western Passaic; Eastern Passaic; Western Bergen; Eastern Bergen; Western Essex; Eastern Essex; Western Union; Eastern Union; Orange; Putnam; Rockland; Northern Westchester; Southern Westchester; Northwest Suffolk; Northeast Suffolk; Southwest Suffolk; Southeast Suffolk
Freeze Warning issued April 20 at 1:57PM EDT until April 21 at 9:00AM EDT by NWS Upton NY

* WHAT...Sub freezing temperatures in the 20s and lower 30s expected. * WHERE...All of southern Connecticut, and most of northeast New Jersey and southeast New York. * WHEN...From midnight tonight to 9 AM EDT Tuesday. * IMPACTS...Freeze and frost conditions could kill crops and other sensitive vegetation.

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