A cold weather advisory has been issued for parts of the Pittsburgh area with sub-zero wind chills expected across the region on Tuesday morning. The National Weather Service says the cold weather advisory is in place for Armstrong,

Flood Waring for portions of Allegheny, Beaver, Butler, Washington counties until 5:30 PM and for Armstrong and Westmoreland counties until 4:30 PM. Rising water on creeks, streams, rivers, low-lying areas, and in flood-prone locations is imminent or occurring. Never drive through flooded roadways.

On Saturday at 7:36 a.m. the National Weather Service issued a winter weather advisory in effect until 11 a.m. for Allegheny, Washington and Westmoreland counties.

Winter weather advisories are in place through 7 a.m. Monday while the blizzard warning for the eastern parts of the area is in place through 3 p.m. Monday.