Weather Alerts For Hannibal, NY

URGENT - WINTER WEATHER MESSAGE National Weather Service Buffalo NY 1248 PM EST Mon Dec 15 2025 Oswego- Including the cities of Oswego 1248 PM EST Mon Dec 15 2025 ...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 1 PM EST TUESDAY... * WHAT...Heavy lake effect snow expected. Total snow accumulations 8 to 12 inches in the most persistent lake snows across the far northern portion of the county, with 3 to 6 inches elsewhere. * WHERE...Oswego County. Greatest additional accumulations will be over the far northern portion of the county. * WHEN...Until 1 PM EST Tuesday. * IMPACTS...Travel will be very difficult with snow covered roads and poor visibility. The hazardous conditions will impact the Monday morning and evening commutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Heavy snow will fall in relatively narrow bands. If traveling, be prepared for rapidly changing road conditions and visibilities. Submit snow reports through our website or social media. &&