Weather Alerts For Hannibal, NY

# HEADLINE -------------------- LAKESHORE FLOOD WARNING REMAINS IN EFFECT FROM 2 PM THURSDAY TO 8 PM EDT FRIDAY # DETAILS -------------------- WHAT Minor lakeshore flooding expected. WHERE Lake Ontario shore of Oswego and Jefferson counties. Water rises are also possible along the upper Saint Lawrence River in the Thousand Islands region. WHEN From 2 PM Thursday to 8 PM EDT Friday. IMPACTS The combination of high lake levels and significant wave action may result in minor lakeshore flooding along the immediate lakeshore, especially in bays, inlets, harbors, and other low lying areas along the shoreline. Shoreline erosion is also expected. ISSUED AT Wednesday, June 17, 2026 at 2:45 PM EDT ISSUED BY National Weather Service Buffalo NY HEADER Lakeshore Hazard Message # PRECAUTIONARY/PREPAREDNESS ACTIONS -------------------- A Lakeshore Flood Warning means lakeshore flooding is occurring, is imminent, or is expected to occur. For your safety, stay off breakwaters, piers, rock outcroppings and beaches! Waves are often larger than they appear and can easily wash you away. Expect significant beach erosion and debris, local road closures and extremely dangerous boating conditions. # AREAS AFFECTED -------------------- Jefferson, Oswego

# HEADLINE -------------------- WIND ADVISORY IN EFFECT FROM 4 AM TO 8 PM EDT THURSDAY # DETAILS -------------------- WHAT South winds 15 to 25 mph with occasional gusts of 40 to 50 mph expected Thursday morning, becoming southwest Thursday afternoon. WHERE Wayne, Northern Cayuga, and Oswego Counties. WHEN From 4 AM to 8 PM EDT Thursday. IMPACTS Gusty winds will blow around unsecured objects. A few trees and tree limbs will likely come down, resulting in isolated power outages. ADDITIONAL DETAILS Fully leafed out trees may result in more tree damage than with similar wind speeds during the colder months of the year. ISSUED AT Wednesday, June 17, 2026 at 12:39 PM EDT ISSUED BY National Weather Service Buffalo NY HEADER URGENT - WEATHER MESSAGE # PRECAUTIONARY/PREPAREDNESS ACTIONS -------------------- Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. # AREAS AFFECTED -------------------- Northern Cayuga, Oswego, Wayne Including the cities of Newark, Fair Haven, and Oswego