Probabilistic Snowfall Products

Probabilistic snow and ice products are intended to provide a range of accumulation possibilities. These products complement the NWS deterministic forecast to better communicate forecast uncertainty and enhance Impact-based Decision Support Services (IDSS) before and during winter weather events.

Probabilistic snow and ice products are currently available across the contiguous United States and Alaska. These experimental forecast products help to explain the range of accumulation possibilities for upcoming winter storms (most likely, maximum, and minimum), helping everyone make better decisions on what action to take.

Knowing the forecast and adequately preparing for a storm can lessen the impacts associated with hazardous winter weather. For more information on how to interpret these products, please see the fact sheet and video below.

Probabilistic Snowfall Resources:

Local NWS Winter Weather Forecast Pages:

Select Location

Click on a marker on the map or select a city below to visit the local winter page.