Weather Alerts For Upperco, MD

URGENT - WINTER WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 701 PM EST Sat Dec 13 2025 Frederick MD-Carroll-Northern Baltimore-Northwest Harford- 701 PM EST Sat Dec 13 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST SUNDAY... * WHAT...Snow expected. Total snow accumulations between 1 and 3 inches. Localized totals of 4 to 5 inches are possible, especially across northern Frederick, Carroll, Baltimore, Harford, and Carroll counties. * WHERE...Carroll, Frederick MD, Northern Baltimore, and Northwest Harford Counties. * WHEN...Until 7 AM EST Sunday. * IMPACTS...Plan on slippery road conditions. * ADDITIONAL DETAILS...Precipitation may briefly start as rain in some locations this evening but quickly turn to snow. A narrow band of heavier snow may develop during the late evening and overnight which could produce more rapid accumulations and visibility less than one half mile. Highest totals look to be just north of I-695 and I-70. Other roadways likely to see impacts include MD-136, MD-145, MD-24, and I-83 points north toward the PA/ MD line. 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. &&