HONOLULU (KHON2) -- A cold front will begin to cross over the islands, bringing much-needed rain to the islands starting early Thursday. Some showers may be heavy at times. Trades are expected to return Thursday with drier conditions statewide by early Saturday. Tonight: Expect breezy west-northwesterly winds as the front passes. Some rain is possible across the islands, especially in usually dry areas. Tomorrow: The front will stall near Oahu and Molokai. Breezy northeast winds will develop. Thursday-Weekend: Trade winds return, bringing showers to windward areas. A passing upper-level disturbance could increase showers and even thunderstorms, especially from Oahu to the Big Island. Big Island summits: Possible wintry precipitation late Thursday through early Saturday. Next Week: Trade wind weather will return as the disturbance moves away. Need 2 Know: Cold front: Arriving tonight, bringing rain and wind changes. Showers: Increasing Thursday-Weekend, with possible thunderstorms. Big Island: Potential for wintry weather on summits. Next Week: Return to typical trade wind conditions.