* WHAT...Freezing rain expected. Total ice accumulations up to a quarter of an inch. * WHERE...Northwestern Connecticut, western Massachusetts, and the eastern Catskills, mid Hudson Valley, Taconics, Capital Region, the eastern Mohawk Valley and Schoharie Valley of eastern New York. * WHEN...From 5 PM Sunday to 4 AM EST Monday. * IMPACTS...Very slippery sidewalks, roads and bridges are possible. * ADDITIONAL DETAILS...A period of freezing rain is expected late Sunday into Sunday night. Temperatures rising above freezing will allow freezing rain to change to plain rain during the overnight hours.