CTP bumped up the Advisory amounts. Here is the Advisory for the counties for west of the Susquehanna.
Winter Weather Advisory
URGENT - WINTER WEATHER MESSAGE
National Weather Service State College PA
827 PM EST Sun Feb 21 2021
PAZ006-012-018-019-025>028-034>037-041-045-046-049-050-056-063-
064-221400-
/O.CON.KCTP.WW.Y.0017.210222T1100Z-210222T1800Z/
Potter-Northern Clinton-Northern Centre-Southern Centre-Blair-
Huntingdon-Mifflin-Juniata-Bedford-Fulton-Franklin-Tioga-
Northern Lycoming-Southern Clinton-Southern Lycoming-Union-Snyder-
Perry-Cumberland-Adams-
Including the cities of Coudersport, Renovo, Philipsburg,
State College, Altoona, Huntingdon, Mount Union, Lewistown,
Mifflintown, Bedford, McConnellsburg, Chambersburg, Mansfield,
Wellsboro, Trout Run, Lock Haven, Williamsport, Lewisburg,
Selinsgrove, Newport, Carlisle, and Gettysburg
827 PM EST Sun Feb 21 2021
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 AM TO 1 PM
EST MONDAY...
* WHAT...Snow expected. Total accumulations of 2 to 4 inches.
* WHERE...Portions of central Pennsylvania.
* WHEN...Snow will overspread most of the area between 630 am and
830 am, then briefly fall heavily before tapering off by noon.
* IMPACTS...Plan on slippery road conditions. The hazardous
conditions could impact the morning commute.
* ADDITIONAL DETAILS...One inch per hour snow rates are possible
between 9 and 11 am.