Weather Alerts For Lamar, CO

URGENT - WEATHER MESSAGE National Weather Service Pueblo CO 944 PM MST Thu Dec 4 2025 Lamar Vicinity/Prowers County- Including Lamar 944 PM MST Thu Dec 4 2025 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM MST FRIDAY... * WHAT...Visibility less than 1/4 mile at times in dense fog. * WHERE...Prowers. * WHEN...Until 7 AM MST Friday. * IMPACTS...Low visibility could make driving conditions hazardous. * ADDITIONAL DETAILS...The areas with the lowest visibility are expected to be along Highway 50 and along the Arkansas River. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you. &&