Weather Alerts For Emmaus, PA

Special Weather Statement National Weather Service Mount Holly NJ 550 PM EST Sat Jan 17 2026 New Castle-Sussex-Warren-Morris-Hunterdon-Somerset-Middlesex- Western Monmouth-Mercer-Salem-Gloucester-Camden- Northwestern Burlington-Carbon-Monroe-Berks-Lehigh-Northampton- Delaware-Philadelphia-Western Chester-Eastern Chester- Western Montgomery-Eastern Montgomery-Upper Bucks-Lower Bucks- Including the cities of Wilmington, Newton, Washington, Morristown, Flemington, Somerville, New Brunswick, Freehold, Trenton, Pennsville, Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Jim Thorpe, Stroudsburg, Reading, Allentown, Bethlehem, Easton, Media, Philadelphia, Honey Brook, Oxford, West Chester, Kennett Square, Collegeville, Pottstown, Norristown, Lansdale, Chalfont, Perkasie, Morrisville, and Doylestown 550 PM EST Sat Jan 17 2026 Patchy fog is forming across portions of southeast Pennsylvania, New Jersey, and northern Delaware where it snowed earlier today. Overall, visibilities will be as low as 1 mile, but highly localized dense fog with visibilities down to one-quarter mile is possible as well. Some patchy freezing fog may also result in slick roads, especially on untreated roads. Use caution when traveling, as well as low-beam headlights, and be prepared for changes in visibility.