Your phone tracks air pressure—and that tiny detail can warn you about weather changes early.

FARGO — Meteorologists use a barometer to measure pressure changes in the atmosphere, but you don’t need a fancy instrument to gauge the weather changes, you can make one with just a few simple ...

When your ears pop on an airplane as it climbs away from the airport or when you drive up into the mountains, you're experiencing a change in air pressure. A barometer measures that air pressure and ...