* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...Portions of southeast New Mexico, Permian Basin, Davis Mountains, and Marfa Plateau.
* WHEN...Until 9 AM MST /10 AM CST/ Tuesday.
* IMPACTS...Low visibility could make driving conditions hazardous. Patchy fog will drop visibility quickly over short distances. Visibility may become severely restricted near rivers, bridges, and other low-lying areas.