...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST THURSDAY... * WHAT...Heavy snow at times. Additional snow accumulations of 3 to 5 inches. Total snow accumulations of 4 to 9 inches. Winds gusting 20 to 30 mph at times this morning. * WHERE...Central Oregon. * WHEN...Until 4 AM PST Thursday. * IMPACTS...Areas of blowing and drifting snow could significantly reduce visibility. Plan on slippery road conditions. The hazardous conditions could impact the morning or evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.