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Snow Day Predictor Fairfax County, VA
Fairfax County Public Schools (FCPS) is Virginia's largest school district, covering more than 400 square miles of Northern Virginia. Because the district spans such a wide area, conditions can vary meaningfully from one part of the county to another, which is part of why the decision is rarely simple.
How FCPS actually decides, and by when
FCPS reviews information from emergency management agencies and the National Weather Service, and school personnel physically inspect the condition of roads, sidewalks, parking lots, and bus lanes before a decision is made, according to FCPS's own published weather cancellation procedures . When conditions are uncertain the night before, the district waits for the most current morning forecast, and the superintendent typically decides by 4:30 a.m. , according to reporting on the region's various closure processes.
Why the DMV closes at less snow than snowbelt states
FCPS's own procedures page states the reasoning plainly: “northern states have more snow clearing capability because of higher average snowfalls making them better equipped to deal quickly with winter weather. Since the D.C. metropolitan area seldom gets significant amounts of snow, it takes a little longer for the roadways to be cleared,” according to FCPS . All roads in the area, including neighborhood streets, are maintained by the Virginia Department of Transportation, which generally begins plowing once about two inches of snow has accumulated.
A real accountability moment
These decisions carry real weight. In January 2015, then-Superintendent Karen Garza issued a public apology after FCPS did not delay or cancel classes following a storm that made driving conditions hazardous, particularly for inexperienced teen drivers, according to the Washington Post . FCPS spokesman John Torre described the decision as balancing the safety of students who walk to school, wait at bus stops, drive themselves, or ride the bus, a genuinely multi-part calculation, not a single number.
A documented divergence from neighboring counties
In December 2025, Fairfax County operated on a two-hour delay due to icy conditions, while some neighboring counties moved to remote learning or full closures for the same regional system, since their snow and ice bands were heavier and more widespread. Fairfax's own communications described its impacts as “more localized but still significant,” a real example of how a single storm can produce different real decisions across neighboring Northern Virginia districts, the same pattern documented on this site's Minneapolis and St. Paul pages for a different region entirely.
How Fairfax's policy compares to neighboring districts
Fairfax reversed its own virtual learning policy for the 2023-24 school year: after previously allowing virtual days, FCPS returned to traditional snow days only, with 11 built-in snow days on the calendar and no virtual learning option when schools close. Arlington County Public Schools, by contrast, allows up to 13 snow days before transitioning students to virtual learning, a meaningfully different policy just one county over.
Fairfax County vs. Neighboring Districts
| District | Virtual learning on snow days? | Snow days before policy changes |
|---|---|---|
| Fairfax County Public Schools, VA | No, reverted to traditional snow days for 2023-24 | 11 built-in snow days |
| Arlington County Public Schools, VA | Yes, after the district's day threshold is reached | Up to 13 snow days before switching to virtual learning |
What time does Fairfax County decide on school closures?
The superintendent typically makes the call by 4:30 a.m., after reviewing overnight and early-morning conditions, emergency management input, and physical road inspections.
Why does Fairfax County close for less snow than northern states?
FCPS's own procedures explain that the DMV region gets significant snow rarely enough that road crews aren't equipped to clear it as quickly as snowbelt states are, so the same snowfall total creates more risk locally.
Does Fairfax County use virtual learning days for snow?
No, not currently. FCPS reverted to traditional snow days for the 2023-24 school year, with 11 built-in snow days and no virtual learning option, a change from its prior policy.
Why did Fairfax County delay instead of close when other counties closed?
Fairfax's own communications have described its winter weather impacts as more localized than some neighboring counties during the same storm system, which is why Northern Virginia districts can reasonably reach different decisions from the same regional forecast.
●Fairfax County Public Schools, “Weather Cancellation Procedures”
●The Washington Post, “Anatomy of a school closing: How Fairfax County officials make the call on snow days,” 2015
●WJLA, “What influences school systems to close or delay start times?”
●WUSA9, “Fairfax County Schools adjusts snow day policy”
●Virginia Department of Transportation, winter weather and snow removal policy
Related reading: How much snow actually closes schools, region by region, why ice and freezing rain often close more schools than heavy snow, and snow day vs. delay vs. dismissal vs. virtual day. For the full model behind this score, see our methodology, try the manual snow day calculator, or browse the state and province closure guide for more regional context.
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