Small Craft Advisory issued December 18 at 2:03PM PST until December 20 at 7:00AM PST by NWS Medford OR

* WHAT…South winds 10 to 20 kt increasing to 15 to 25 kt with occasional gusts to 30 kt on Thursday. Steep, seas 9 to 14 ft due to a

High Wind Warning issued December 18 at 1:48PM MST until December 19 at 12:00AM MST by NWS Great Falls MT

* WHAT…Southwest winds 30 to 40 mph, with gusts up to 65 mph expected. * WHERE…The Interstate 90 Corridor between Bozeman and Whitehall, Little Belt and Highwood Mountains, Helena Valley,

High Wind Warning issued December 18 at 1:48PM MST until December 19 at 12:00AM MST by NWS Great Falls MT

* WHAT…West winds 35 to 50 mph, with gusts up to 70 mph. * WHERE…Eastern Toole and Liberty Counties, Eastern Pondera and Eastern Teton Counties, Western and Central Chouteau County,

High Wind Warning issued December 18 at 2:50PM CST until December 19 at 6:00PM CST by NWS Sioux Falls SD

* WHAT…Northwest winds 30 to 40 mph with gusts up to 60 mph expected. * WHERE…Portions of south central and southeast South Dakota. * WHEN…From 9 AM to 6 PM