National Weather Service United States Department of Commerce

Freezing Temperatures and Areas of Frost Expected Across the North Country Tonight

A much cooler air mass combined with light winds and clearing skies will produce areas of frost across the Champlain Valley during the pre-dawn hours Tuesday, including the Champlain Islands. Away from the immediate shore of Lake Champlain, low temperatures will generally be in the 30 to 33 degree range. Sensitive vegetation could be damaged or killed. Read More >

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PROTOTYPE PRODUCT: UNDER DEVELOPMENT AND NOT TO BE USED FOR OPERATIONAL DECISION MAKING.

Feedback from this prototype will be used to evaluate potential product development. The purpose of the Winter Storm Severity Index (WSSI) is to provide NWS partners and the general public with an indication of the level of winter precipitation (snow and ice) severity and its potential related societal impacts. The WSSI does not depict official warnings, and should always be used in context with official NWS forecasts and warnings. Because this is a prototype, it may not update in a timely fashion. Always check the creation and valid times. For more information, please refer to the following links: Product/Service Description Document, WSSI Users Guide

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