669:1 Election Dates. –
V. (a) If the National Weather Service issues a weather event warning applicable to a town on a date when an election is scheduled, which the moderator reasonably believes may cause the roads to be hazardous or unsafe, or if an accident, fire, natural disaster, or other emergency occurs that the moderator reasonably believes may render use of the election location unsafe on the date of the election, then the moderator may, after consulting with town officials, postpone the election. To the extent practical, prior to making a decision to postpone, the moderator shall consult with the governing body, the clerk, and as appropriate for the circumstances the police chief, the fire chief, the road agent, and the local emergency management director. The moderator shall document any decision to postpone the election and notify the secretary of state by phone or electronic mail of the postponement within 2 hours of the decision to postpone

In accordance with RSA 669:1 V, below is a list of Towns that have notified the Secretary of State of postponements.

Acworth, Alstead, Alton, Amherst, Andover, Antrim, Barrington, Bedford, Bennington,  Bow, Bradford, Brookline, Charlestown, Chester, Chesterfield, Conval School District,  Conway Village Fire District, Deerfield, Deering, Durham, Effingham, Farmington, Francestown, Gilford, Gilmanton, Goffstown, Grantham, Greenfield, Greenville, Hancock, Harrisville, Hart's Location, Hillsborough, Hollis, Hooksett, Hopkinton, Hudson, Jaffrey, Keene School District, Langdon, Lee, Lempster,  Lyme, Lyndeborough, Madbury, Marlborough, Marlow, Mason, Milford, Milton, Mont Vernon, Nelson, New Boston, New Ipswich, New London, Newbury, Northwood, Nottingham, Raymond, Rindge,  Salisbury, Sharon, South Hampton, Springfield, Sullivan, Sutton, Tamworth, Temple, Wakefield, Walpole, Warner, Washington, Westmoreland, Wilmot,  Wilton,  Winchester, Windsor

This list will be updated as required.