Clarion, Pa. – Gardeners across parts of Pennsylvania and West Virginia could wake up to frost-damaged plants Monday morning as unseasonably chilly air settles over the region.
According to the National Weather Service in Pittsburgh, a Frost Advisory remains in effect until 8 a.m. EDT Monday for Forest, Clarion, and Jefferson counties in Pennsylvania, and Eastern Tucker County in West Virginia. Overnight temperatures are expected to dip as low as 37°F, low enough to cause patchy frost on exposed surfaces.
Residents in cities like Punxsutawney, Brookville, Clarion, and Davis are urged to protect sensitive vegetation. Covering plants or bringing them indoors may prevent damage, especially in low-lying or sheltered areas more prone to frost formation.
Though early June frosts are uncommon, cooler pockets in the Allegheny region can see cold snaps even after Memorial Day. This event follows a stretch of mild May weather and marks a stark — if brief — return to cold conditions.
The advisory expires at 8 a.m., but chilly conditions could linger into early Tuesday in higher elevations. Additional alerts are unlikely, but residents should monitor local conditions overnight.