Latest news, Jan 19, 2026: I'm experimenting with a new FAA flight-data source that should provide earlier forecasts for most flights. If something in your forecast doesn't look right, use the "Report an issue" button to let me know. Thanks!

BumpySkies: a turbulence forecaster for flights within and departing the United States

For best results, try it shortly before departure.

(Or, see a random upcoming flight's forecast.)