Katonah Warnings, Watches and Advisories

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State: NY Alerts: 5 Updated: Sep 28, 2026 6:48am EDT

Coastal Flood Advisory

Area
Southwest Suffolk; Southern Nassau
Coastal Flood Advisory issued September 28 at 5:01AM EDT until September 28 at 2:00PM EDT by NWS Upton NY

* WHAT...Up to one foot of inundation above ground level expected in vulnerable areas near the waterfront and shoreline. * WHERE...Southwest Suffolk and Southern Nassau Counties. * WHEN...Until 2 PM EDT this afternoon. * IMPACTS...Minor to locally moderate flooding in vulnerable locations near the waterfront and shoreline. Some roads and low lying properties including parking lots, parks, lawns, and homes and businesses with basements near the waterfront will experience minor flooding.

Coastal Flood Advisory

Area
Hudson; Eastern Bergen; Eastern Essex; Eastern Union; New York (Manhattan); Richmond (Staten Is.); Kings (Brooklyn)
Coastal Flood Advisory issued September 28 at 5:01AM EDT until September 28 at 2:00PM EDT by NWS Upton NY

* WHAT...Up to one foot of inundation above ground level expected in vulnerable areas near the waterfront and shoreline. * WHERE...In New Jersey, Hudson, Eastern Bergen, Eastern Essex and Eastern Union Counties. In New York, New York (Manhattan), Richmond (Staten Island) and Kings (Brooklyn) Counties. * WHEN...Until 2 PM EDT this afternoon. * IMPACTS...Minor flooding in the more vulnerable locations near the waterfront and shoreline. Some roads and low lying properties including parking lots, parks, lawns, and homes and businesses with basements near the waterfront will experience minor flooding.

Coastal Flood Advisory

Area
Southern Queens
Coastal Flood Advisory issued September 28 at 5:01AM EDT until September 28 at 2:00PM EDT by NWS Upton NY

* WHAT...Up to one foot of inundation above ground level expected in vulnerable areas near the waterfront and shoreline. * WHERE...Southern Queens County. * WHEN...Until 2 PM EDT this afternoon. * IMPACTS...Minor flooding in the more vulnerable locations near the waterfront and shoreline. Some roads and low lying properties including parking lots, parks, lawns, and homes and businesses with basements near the waterfront will experience minor flooding.

Coastal Flood Advisory

Area
Northeast Suffolk; Southeast Suffolk
Coastal Flood Advisory issued September 28 at 5:01AM EDT until September 28 at 3:00PM EDT by NWS Upton NY

* WHAT...Up to one foot of inundation above ground level expected in vulnerable areas near the waterfront and shoreline. * WHERE...Northeast Suffolk and Southeast Suffolk Counties. * WHEN...From 8 AM this morning to 3 PM EDT this afternoon. * IMPACTS...Minor flooding in the more vulnerable locations near the waterfront and shoreline. Some roads and low lying properties including parking lots, parks, lawns, and homes and businesses with basements near the waterfront will experience minor flooding.

Coastal Flood Advisory

Area
Southern Fairfield; Southern New Haven; Southern Westchester; Bronx; Northwest Suffolk; Northern Queens; Northern Nassau
Coastal Flood Advisory issued September 28 at 5:01AM EDT until September 28 at 3:00PM EDT by NWS Upton NY

* WHAT...One to two feet of inundation above ground level expected in vulnerable areas near the waterfront and shoreline. * WHERE...In Connecticut, Southern Fairfield and Southern New Haven Counties. In New York, Southern Westchester, Bronx, Northwest Suffolk, Northern Queens and Northern Nassau Counties. * WHEN...From 11 AM this morning to 3 PM EDT this afternoon. * IMPACTS...Minor flooding in the more vulnerable locations near the waterfront and shoreline. Some roads and low lying properties including parking lots, parks, lawns, and homes and businesses with basements near the waterfront will experience minor flooding.

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 Katonah.

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

Disclaimer

This severe weather alerts report is valid for ZIP code 10536, accurately covering the area of Katonah, NY.

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Currently

Light Rain Shower 55°F
29.79 inHg.
Barometer
97%
Humidity
NNE 22 mph
Wind
Light Rain Shower

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