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Grangerville 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 Grangerville.

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

NWS Active Alerts for NY - Map View

State: NY Total alerts: 6 Updated: Apr 15, 2026 9:44pm EDT

Special Weather Statement

Area
Western Greene; Western Ulster
Special Weather Statement issued April 15 at 9:42PM EDT by NWS Albany NY

At 942 PM EDT, Doppler radar was tracking a strong thunderstorm over Margaretville, or 14 miles southeast of Delhi, moving east at 30 mph. HAZARD...Wind gusts up to 40 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Hunter, Windham, Prattsville, Woodland Valley Campground, West Shokan, Kenneth L Wilson Campground, Phoenicia, Mount Tremper, Lanesville, Shandaken, Ashland, Jewett, Lexington, West Settlement, North Lexington, Maplecrest, Oliverea, Belle Ayr, Seager, and Pine Hill.

Special Weather Statement

Area
Western Dutchess; Eastern Dutchess
Special Weather Statement issued April 15 at 9:39PM EDT by NWS Albany NY

At 939 PM EDT, Doppler radar was tracking a strong thunderstorm near Fishkill, or near Beacon, moving east at 30 mph. HAZARD...Wind gusts up to 40 mph and penny size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations impacted include... Pawling, Fishkill, Hopewell Junction, East Fishkill, Stormville, Baker Corner, Woodinville, Hurd Corners, Green Haven, Glenham, Beacon Hills, Lomala, Pecksville, Wiccopee, Shenandoah, Brinckerhoff, Quaker Hill, West Pawling, and Groveville.

Severe Thunderstorm Warning

Area
Cayuga, NY; Chemung, NY; Schuyler, NY; Seneca, NY; Steuben, NY; Yates, NY
Severe Thunderstorm Warning issued April 15 at 9:36PM EDT until April 15 at 9:45PM EDT by NWS Binghamton NY

The storms which prompted the warning have weakened below severe limits, and no longer pose an immediate threat to life or property. Therefore, the warning will be allowed to expire.

Severe Thunderstorm Warning

Area
Delaware, NY; Wayne, PA
Severe Thunderstorm Warning issued April 15 at 9:25PM EDT until April 15 at 9:45PM EDT by NWS Binghamton NY

At 924 PM EDT, severe thunderstorms were located along a line extending from near Walton to 8 miles west of Colchester to 6 miles west of Harvard to near Hancock, moving east at 50 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Walton, Colchester, Hamden, Hancock, Fishs Eddy, Harvard, Corbett, East Branch, Trout Creek, and Cannonsville.

Special Weather Statement

Area
Northern Fairfield; Orange; Putnam; Northern Westchester
Special Weather Statement issued April 15 at 9:25PM EDT by NWS Upton NY

At 925 PM EDT, Doppler radar was tracking a cluster of strong thunderstorms over Lake Carmel, moving east at 40 mph. HAZARD...Wind gusts up to 40 mph and half inch hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to outdoor objects is possible. Locations impacted include... Danbury, Peekskill, Mahopac, Lake Carmel, West Point, Sherman, Brewster, Cold Spring, Newtown, New Windsor, Ridgefield, Monroe, Bethel, Brookfield, and New Fairfield.

Flood Warning

Area
Tompkins, NY
Flood Warning issued April 15 at 11:57AM 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 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 11:00 AM EDT Wednesday the stage was near 383.5 feet. - Forecast...The lake is expected to hover near the flood stage of 383.5 feet through Friday. - Flood stage is 383.5 feet. - https://www.weather.gov/safety/flood

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