Freezing Fog in Northampton, Pennsylvania

Freezing Fog January 17, 2026 – January 18, 2026 · Northampton, Pennsylvania

What the National Weather Service wrote

Several hours of dense freezing fog was observed at Lehigh Valley International Airport.

The wider storm

A moist and stagnant air mass in the wake of a wet snowfall resulted in areas of dense freezing fog late on January 17th and early on January 18th. The fog dissipated before dawn as a cold front moved through.

Source: NOAA Storm Events Database, event 1308774. Narratives are written by the National Weather Service forecast office that issued the report.

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