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Loudoun Weather

Loudoun Weather

Weather forecasts and information for all of Loudoun County, Virginia. Including Leesburg, Aldie, Waterford, Ashburn, Sterling, Dulles, Hamilton, Purcellville, South Riding. Loudoun Weather is your source for Loudoun County weather forecasts, weather radar and more.

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Winter Impact Index

The Weather Prediction Center’s – Winter Storm Severity Index

The Winter Storm Severity Index, or WSSI, is a new tool from the National Weather Service that forecasts the potential impacts of winter storms throughout the continental United States. The WSSI can keep you informed on potential winter storm impacts in your community, including tree damage, property damage, transportation impacts, and disruptions to daily life. POTENTIAL IMPACTS SCAL

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