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Smoke and haze from wildfires in Canada will again spread across Lehigh Valley skies this week, the National Weather Service warned Monday.

In a map released Thursday, nearly the entire state of Pennsylvania was designated as “abnormally dry” by the U.S. Drought Monitor. The status is a precursor to drought and is likely to worsen over the next couple of weeks.

A beautiful May has left the Lehigh Valley searching for a drop in the bucket — a drop of rain, that is, after one of the driest months on record.

Temperatures overnight Wednesday into Thursday could dip into the mid 30s in the Lehigh Valley, forecasters say.

A Code Orange alert means the air is expected to be unhealthy for sensitive groups, such as young children and older adults with respiratory conditions.

Neither snow, nor sleet, nor hail. There's frozen precipitation in the Lehigh Valley forecast on Wednesday — it's called graupel.

An active weather pattern will continue in the Lehigh Valley through the weekend and beyond as a plume of moisture surges into the area, forecasters warn.

The Lehigh Valley is locked in a prolonged period of chilly and unsettled weather, and forecasters say a coastal storm could bring significant and much-needed rain for the weekend.

People who stayed up late Sunday night were treated to an incredible display of the northern lights, which were visible in the Lehigh Valley.

The Lehigh Valley is under a red flag warning Wednesday, and officials say critical fire weather conditions are expected.