Syosset Warnings, Watches and Advisories
NWS Active Alerts for NY - Map View
Flood Advisory
Queens, NY
Flood Advisory issued November 12 at 2:37PM EST until November 12 at 5:30PM EST by NWS Upton NY
* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Queens County in southeastern New York... * WHEN...Until 530 PM EST. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 237 PM EST, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Between 0.5 and 1 inch of rain has 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... Bayside, Whitestone and Little Neck. - http://www.weather.gov/safety/flood
Minor
Likely
Expected
November 12th, 2026 02:37:00 pm CDT
November 12th, 2026 02:37:00 pm CDT
November 12th, 2026 05:30:00 pm CDT
Flash Flood Warning
Queens, NY
Flash Flood Warning issued November 12 at 2:10PM EST until November 12 at 5:15PM EST by NWS Upton NY
FFWOKX The National Weather Service in Upton has issued a * Flash Flood Warning for... Queens County in southeastern New York... * Until 515 PM EST. * At 210 PM EST, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2.5 inches of rain have fallen. The expected rainfall rate is 1 to 2 inches in 1 hour. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. 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... Jamaica, Rockaway Beach and Kennedy Airport.
Severe
Likely
Immediate
November 12th, 2026 02:10:00 pm CDT
November 12th, 2026 02:10:00 pm CDT
November 12th, 2026 05:15:00 pm CDT
Flood Advisory
Nassau, NY
Flood Advisory issued November 12 at 1:29PM EST until November 12 at 4:30PM EST by NWS Upton NY
* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Southwestern Nassau County in southeastern New York... * WHEN...Until 430 PM EST. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 129 PM EST, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is already occurring in the advisory area. 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... Freeport, Valley Stream, Long Beach, Lynbrook, Woodmere, Oceanside, Baldwin, Cedarhurst, Lido Beach, Atlantic Beach, Rockville Centre, Merrick, East Rockaway, Inwood and Malverne. - http://www.weather.gov/safety/flood
Minor
Likely
Expected
November 12th, 2026 01:29:00 pm CDT
November 12th, 2026 01:29:00 pm CDT
November 12th, 2026 04:30:00 pm CDT
Winter Weather Advisory
Western Essex; Eastern Addison; Eastern Rutland
Winter Weather Advisory issued November 12 at 12:29PM EST until November 13 at 10:00AM EST by NWS Burlington VT
* WHAT...Wet snow expected mainly above 1200 feet. Total snow accumulations between 2 and 4 inches. * WHERE...In New York, Western Essex County. In Vermont, Eastern Addison and Eastern Rutland Counties. * WHEN...Until 10 AM EST Friday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions will impact the Thursday evening and Friday morning commutes. Roads, and especially bridges and overpasses, will likely become slick and hazardous. * ADDITIONAL DETAILS...Impacts from snow will begin at higher elevations today becoming more widespread in the Advisory areas after 7 PM this evening as snow levels descend.
Moderate
Likely
Expected
November 12th, 2026 12:29:00 pm CDT
November 12th, 2026 12:29:00 pm CDT
November 13th, 2026 05:30:00 am CDT
Winter Weather Advisory
Hamilton; Northern Warren; Bennington; Western Windham
Winter Weather Advisory issued November 12 at 12:27PM EST until November 13 at 10:00AM EST by NWS Albany NY
* WHAT...Snow. Total snow accumulations up to 3 inches with isolated totals of 3 to 5 inches for the highest mountain peaks. * WHERE...Northern Warren and Hamilton Counties in New York and elevations above 1500 feet in Bennington and Western Windham Counties in Vermont. * WHEN...Until 10 AM EST Friday. * IMPACTS...Plan on slippery road conditions.
Moderate
Likely
Expected
November 12th, 2026 12:27:00 pm CDT
November 12th, 2026 12:27:00 pm CDT
November 13th, 2026 03:00:00 am CDT
Winter Weather Advisory
Western Greene; Western Ulster
Winter Weather Advisory issued November 12 at 12:27PM EST until November 13 at 1:00PM EST by NWS Albany NY
* WHAT...Snow expected. Total snow accumulations of 2 to 5 inches with the highest amounts at elevations above 1500 feet. * WHERE...Western Greene and Western Ulster Counties. * WHEN...From 7 PM this evening to 1 PM EST Friday. * IMPACTS...Plan on slippery road conditions.
Moderate
Likely
Expected
November 12th, 2026 12:27:00 pm CDT
November 12th, 2026 12:27:00 pm CDT
November 13th, 2026 03:00:00 am CDT
Winter Weather Advisory
Schoharie
Winter Weather Advisory issued November 12 at 12:27PM EST until November 13 at 1:00PM EST by NWS Albany NY
* WHAT...Snow expected. Total snow accumulations of 2 to 5 inches with the highest amounts at elevations above 1500 feet. * WHERE...Schoharie County. * WHEN...From 7 PM this evening to 1 PM EST Friday. * IMPACTS...Plan on slippery road conditions.
Moderate
Likely
Expected
November 12th, 2026 12:27:00 pm CDT
November 12th, 2026 12:27:00 pm CDT
November 13th, 2026 03:00:00 am CDT
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 Syosset.
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 relevant for ZIP codes 11773 and 11791, accurately covering areas of Syosset, NY.
Are You Here in Syosset?
Currently
| 55°F |
29.46 inHg.
Barometer 88%
Humidity E 18.7 mph Wind |
|
| Moderate Rain | ||
National Outlook
Cold Snap to Grip Central and Eastern U.S., Warmth Continues in the West - 11-11 to 11-13
Rain and Snow Ahead from Coast to Coast - 11-14-2026 to 11-18-2026
Wed Nov 11th 2026, 5:55am PST
