Fairfax County Public Schools snow day prediction

Live closure and delay odds for Fairfax County Public Schools in Fairfax, VA, based on the latest hourly forecast for the city. Use your own ZIP code for a neighborhood-level forecast.

Winter weather in Fairfax

Fairfax County runs one of the largest school systems in the country, with a large bus fleet covering suburban and semi-rural roads. Decisions in large districts like this tend to reflect the worst roads in the county, not the average.

Northern Virginia storms are frequently mixed — snow changing to sleet or freezing rain — and totals of a few inches are enough to matter. Delays are common when precipitation ends overnight and temperatures rise above freezing after sunrise.

How we model Fairfax

Snow tolerance
Occasional snow
Snow at ~50% odds
2.5″
Ice at ~50% odds
0.06″
Cold line
0°F

Default area type: Suburban. These are model settings, not district policy. Read how the prediction works or the Mid-Atlantic guide.

Official information

For confirmed closures and delays, use Fairfax County Public Schools's official website and the district's text or app alerts. SnowCall is independent and not affiliated with the district.

Nearby districts

Compare with nearby districts →

Frequently asked questions

Is Fairfax County Public Schools closed tomorrow?

SnowCall cannot tell you whether school is closed — only the district can. The estimate above is a forecast-based probability. For official closures and delays, check fcps.edu, the district's alert system, or local news.

How much snow does it take to close Fairfax County Public Schools?

There is no published snowfall number. The model treats Fairfax as a "occasional snow" area, where about 2.5" of overnight snow, 0.06" of ice, or a morning wind chill near 0°F makes a closure roughly a coin flip. Timing, temperature and wind can move that a lot.

Where does this forecast come from?

Hourly data from Open-Meteo for Fairfax (38.85, -77.31), four global weather models, and the National Weather Service's gridded snow and ice forecast and alerts.