Latest news, Sep 4, 2026: Ocean-crossing forecasts now apply great-circle math to any long flight segments that have sparse route data, rather than drawing naively Mercator-straight lines. This should improve forecast quality for these flights. Also, I've added Austrian Airlines to the carrier list. 🇦🇹

BumpySkies forecasts turbulence for flights within, departing, or arriving in the US. It was created by a nervous flier for other nervous fliers, making turbulence a little less surprising and scary.

For best results, try it shortly before departure.

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

Nelly the groundhog, nervous but brave, is ready to board her flight.