Active AlertsRouseville, PA

What: Very cold wind chills as low as 10 to 20 below zero.
Where: Forest, Mercer, and Venango Counties.
When: Until 11 AM EST Saturday.
Impacts: The dangerously cold wind chills as low as 20 below zero could cause frostbite on exposed skin in as little as 30 minutes. An extended period of freezing temperatures could cause ruptured water pipes.

Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves.