From WITN-7 First Alert Weather... Temperatures will drop close to or below freezing in several sections of Eastern Carolina overnight. Widespread areas of frost will likely develop towards morning. A freeze warning is in effect for Pamlico County from midnight to 7 a.m. Saturday. Mainland Dare, mainland Hyde and Tyrrell counties are under frost advisories for that time period. Stay tuned to WITN-7 for your First Alert Forecast. You can also get the latest warnings and advisories right on your computer desktop, by downloading WITN-7's free First Alert Desktop Application at www.witntv.com.