Katonah Warnings, Watches and Advisories
NWS Active Alerts for NY - Map View
Coastal Flood Advisory
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.
Minor
Likely
Expected
September 28th, 2026 05:01:00 am EDT
September 28th, 2026 05:01:00 am EDT
September 28th, 2026 01:15:00 pm EDT
Coastal Flood Advisory
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.
Minor
Likely
Expected
September 28th, 2026 05:01:00 am EDT
September 28th, 2026 05:01:00 am EDT
September 28th, 2026 01:15:00 pm EDT
Coastal Flood Advisory
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.
Minor
Likely
Expected
September 28th, 2026 05:01:00 am EDT
September 28th, 2026 05:01:00 am EDT
September 28th, 2026 01:15:00 pm EDT
Coastal Flood Advisory
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.
Minor
Likely
Expected
September 28th, 2026 05:01:00 am EDT
September 28th, 2026 05:01:00 am EDT
September 28th, 2026 01:15:00 pm EDT
Coastal Flood Advisory
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.
Minor
Likely
Expected
September 28th, 2026 05:01:00 am EDT
September 28th, 2026 05:01:00 am EDT
September 28th, 2026 01:15:00 pm EDT
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 and Conditions of Use
This information is provided AS IS and strictly for recreational, educational, and informational purposes only; we disclaim liability of any kind whatsoever, including, without limitation, liability for quality, performance, merchantability and fitness for a particular purpose arising out of the use, or inability to use the data. The information may be inaccurate or incomplete based on how well the corresponding weather station successfully or unsuccessfully reported or recorded it with the instruments which measured the weather at the time; including gaps between hours or even days. Specifically, LocalConditions.com and this data, as presented, may not and should not be used as a reference for any reason relating to legal proceedings, insurance claims, recovery, loss prevention, making predictions, or critical decisions. Lastly, the weather station may be miles away from the actual area of interest. This data may not be leeched or republished.
This severe weather alerts report is valid for ZIP code 10536, accurately covering the area of Katonah, NY.
Are You Here in Katonah?
Currently
| 55°F |
29.79 inHg.
Barometer 97%
Humidity NNE 22 mph Wind |
|
| Light Rain Shower | ||
National Outlook
Coastal Flooding in Mid-Atlantic as Nor'easter Strikes 09-28 to 09-30
Heavy Rainfall and Flooding Warning for Central U.S. 10-01 to 10-05
Mon Sep 28th 2026, 3:04am PDT
