Maryland Snow Day Calculator
Will Your School Close Due to Snow?
Instant snow day predictions for schools across Maryland
Maryland School Closure Prediction Tool
Enter Maryland city or ZIP code
Maryland Snow Day Forecast Results
Maryland ZIP Code Coverage
DC Metro Area - Montgomery County
Baltimore Metropolitan Area
Western Maryland Mountains
Eastern Shore
For accurate Maryland Snow Day Calculator predictions, please note that western regions receive significantly more snow than eastern areas
Maryland Snow Statistics & Information
Geographic Features
- •Appalachian Mountains
- •Chesapeake Bay
- •Atlantic Coast
- •Potomac River
- •Blue Ridge Mountains
Snow Statistics
Annual Average Snowfall
20.5 inches
Snow Days per Year
15 days
School Information
Average Snow Days
5 days/year
School Districts
24
Maryland Historical Snow Events
Snowmageddon - Record-breaking snowstorm
2010-02-05Snowfall: 49.3 inches
State of emergency, schools closed for over a week
Major blizzard affects entire state
2016-01-22Snowfall: 29.2 inches
Multi-day school closures statewide
President's Day Weekend Storm
2003-02-15Snowfall: 28.2 inches
Extended school closures across state
Maryland Snow Facts
Western Maryland can receive over 100 inches of snow annually while the Eastern Shore gets less than 10
The 2010 'Snowmageddon' remains the state's most significant snow event
Maryland's varied elevation creates temperature differences of up to 30 degrees across the state
The Chesapeake Bay can influence whether precipitation falls as rain or snow
Baltimore's snowiest winter was 2009-2010 with 77 inches
Western Maryland experiences lake-effect snow from the Great Lakes
The state's school districts often coordinate closures regionally
Maryland's position makes it vulnerable to both nor'easters and inland storms