* WHAT...Southwest winds 30 to 50 mph with gusts up to 75 mph possible. * WHERE...East Glacier Park Region Zone, and Eastern Glacier, Western Toole, and Central Pondera, Northern High Plains, Southern High Plains, and Southern Rocky Mountain Front. * WHEN...From Saturday morning through Saturday evening. * IMPACTS...Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Isolated tree damage is possible.