Weather Alerts For Masons, MD

URGENT - WINTER WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 938 AM EST Sat Dec 13 2025 Charles-Calvert- 938 AM EST Sat Dec 13 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 10 AM EST SUNDAY... * WHAT...Snow expected. Total snow accumulations of 1 to 3 inches. * WHERE...Calvert and Charles Counties. * WHEN...From midnight tonight to 10 AM EST Sunday. * IMPACTS...Plan on slippery road conditions. * ADDITIONAL DETAILS...Precipitation may briefly start as rain in some locations but quickly turn to snow. A narrow band of heavier snow may develop between 2 and 6 AM which could produce more rapid accumulations and visibility less than one half mile. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. &&