* WHAT...South winds 20 to 30 mph with gusts up to 50 mph.
* WHERE...In Colorado, Four Corners/Upper Dolores River and Paradox Valley/Lower Dolores River. In Utah, Arches/Grand Flat, Canyonlands/Natural Bridges, and Southeast Utah.
* WHEN...Until 6 AM MDT Monday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.