Winter weather related Warnings, Watches and Advisories are issued by your local National Weather Service office. Each office knows the local area and will issue Warnings, Watches or Advisories based on local criteria.

Winter Storm Warning. A Winter Storm Warning is issued when a significant combination of hazardous winter weather is occurring or imminent. Significant and hazardous winter weather is defined as a combination of: 1) 5 inches or more of snow/sleet within a 12-hour period or 7 inches or more of snow/sleet within a 24-hour period AND/OR

A winter storm event (sleet, snow, freezing rain, snow and blowing snow, or a combination of events) is expected to meet or exceed local winter weather advisory criteria in the next 12 to 36 hours but stay below warning criteria.

11 hours ago · The National Weather Service issues warnings, watches, and advisories during winter months for events like snowstorms. These warnings are based on local criteria, with different snowfall ...

This website is designed to teach you how to stay safe before, during and after a winter storm. You will find information on winter alerts, science and hazards, snow coverage maps, and information describing the different types of winter storms.

Feb 3, 2025 · The National Weather Service (NWS) had winter storm warnings in place for six states early on Monday, with up to 30 inches of snow possible in some parts of the country. Why It Matters

Lake effect snow will continue downwind of Lake Ontario through Monday, potentially dropping up to a foot of snow. A few inches of snow is possible downwind of Lake Erie. Arctic high pressure will usher in well below normal temperatures across the …

The National Weather Service (NWS) National Winter Program is announcing new Winter Storm Warning (WSW) criteria for Heavy Snow, which will be used by all Contiguous United States Weather Forecast Offices (WFOs) beginning this winter season. The primary reason for changing the NWS snow criteria is to increase consistency among neighboring WFOs.

The alerts web service displays NWS watches, warnings, advisories, and similar products. Click the main menu down-arrow for a quick guide and documentation. Select a location option to begin your search for alerts.

Winter Storm to Track From the West Coast Across the Upper Midwest & Northeast Through this Weekend. A Pacific storm will bring strong winds, heavy rain, and mountain snow from the Sierras to Rockies on Friday. The storm will then track east through the Midwest producing heavy snow from the Dakotas to the Great Lakes on Saturday.