* WHAT...South winds 30 to 40 mph with gusts up to 65 mph possible.
* WHERE...Green Mountains and Rattlesnake Range, Natrona County Lower Elevations, and East Sweetwater County.
* WHEN...From 3 PM this afternoon to 6 AM MDT Monday.
* IMPACTS...Gusty winds will make travel difficult. Strong cross-wind gusts on area highways could cause high-profile vehicle blow-overs.