99 articlesPage 2 of 10
Sleet freezes before it lands and bounces, freezing rain freezes on contact and coats everything in ice. How the warm layer decides what falls, which is most dangerous, and how to measure it.
Frost advisory: frost expected. Freeze watch: a freeze is possible. Freeze warning: a freeze is expected. Criteria differ per NWS office. How to protect plants, pipes and pets.
A 40% chance of rain means a 40% chance that your spot gets at least 0.01 inch of rain, not rain over 40% of the area. How forecasters explain the number, and what 20%, 30%, 40% and 50% mean.
Mammatus pouches, lens-shaped lenticular clouds and the shelf cloud at the front of a storm: how to recognize each one, why it forms and what it means for you.
Nimbostratus is the thick grey layer behind a long rainy day. How to recognize it, why it is a mid-level cloud that looks low, and how it differs from stratus.
What indoor temperature and humidity to watch in a heat wave, where to put the sensor, and when to act, with CDC and EPA guidance.
Heat Advisory, Extreme Heat Watch or Extreme Heat Warning? What each NWS heat alert means, what changed in 2025, and what to do at home.
What a tornado warning means, how it differs from a tornado watch, where to shelter, and the equipment that alerts you when a tornado is headed your way.
Lightning detectors explained: how they work, detection range, the 30-30-30 rule, best handheld and home weather station options, and how to install one.
Wind vane explained: what it measures, how it works, types, placement tips, common problems, and the best options for home weather stations.
