EXA.KLWX.WW.Y.0028.251214T0100Z-251214T1200Z/
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.