Weather Alerts For Union Bridge, MD

URGENT - WINTER WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 215 PM EST Sat Dec 13 2025 Frederick MD- 215 PM EST Sat Dec 13 2025 ...WINTER WEATHER ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 7 AM EST SUNDAY... * WHAT...Snow expected. Total snow accumulations between 1 and 3 inches. Localized 4 to 5 inch totals across the Catoctin Mountains. * WHERE...Frederick MD County. * WHEN...From 8 PM this evening to 7 AM EST Sunday. * IMPACTS...Plan on slippery road conditions. * ADDITIONAL DETAILS...A rain snow mix will likely start between 7-10pm with a transition to snow after 10pm. Highest impacts will be across northern portions of the county north of Frederick. Slick travel is likely across the MD-140 corridor and US-15 corridor from Catoctin Furnace points north toward the PA/MD line. Additional slick travel concerns can be expected along MD-550 from Sabillasville to Thurmont. Use caution if traveling in these areas late tonight into Sunday morning. 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. &&