Latest news, Dec 19, 2025: The server had a brief unplanned outage on the afternoon of Friday, December 19; some data regarding early-evening flights might have been lost. I apologize if this affected flight forecasts you were trying to see on this day.

BumpySkies: a turbulence forecaster for flights to, from, and within the United States

For best results, try it shortly before departure.

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