A cold front will move through the southeast plains of Colorado overnight and provide a focus for thunderstorm development Wednesday afternoon. Areas along and east of I-25 will have the best chance for thunderstorms. A few of the thunderstorms could be severe with damaging winds and large hail being the primary threats. Warm, dry and gusty conditions will continue in the San Luis Valley Wednesday afternoon and evening where a Red Flag Warning is in effect from noon to 8 pm. (Please visit http://weather.gov/pub for more information.)