AN AREA OF HEAVIER SNOW SHOWERS WILL AFFECT NORTHEASTERN WASHINGTON... SOUTHERN ALLEGHENY...SOUTHWESTERN WESTMORELAND AND CENTRAL FAYETTE COUNTIES... At 1047 AM EST, an area of heavier snow showers was located near Monongahela, or near Gastonville, moving east at 25 mph. Locations impacted include... Pittsburgh, Mount Lebanon, Bethel Park, McMurray, McKeesport, Uniontown, Canonsburg, Connellsville, Gastonville, West Mifflin, Baldwin, Upper St. Clair, Scott Township, Whitehall, South Park Township, Munhall, Cecil-Bishop, Jefferson Hills, North Versailles, and Brentwood. This includes the following highways... Interstate 70 in Pennsylvania between mile markers 26 and 57. Pennsylvania Turnpike between mile markers 69 and 93. Interstate 79 in Pennsylvania between mile markers 42 and 57. Interstate 376 in Pennsylvania near mile marker 74. Use extra caution if you must travel into or through this intense snow shower. Rapid changes in visibility and potentially slick roads are likely to lead to accidents. Consider delaying travel until the squall passes your location.