A warmer and more active week of weather is ahead as a true summer-feeling air mass slides into West Michigan with rain and ...

Why do some thunderstorms happen at night ... This gives the air a negative charge and creates an unstable air mass in the lower part of the cloud. Later, the moisture that lost an electron ...

An air quality alert is in effect for some parts of Massachusetts on Thursday as temperatures hit the 90s — and thunderstorms ...

The NWS forecasted that an air mass above western Washington led to thunderstorms, hail, wind, cloud-to-ground lightning and periods of heavy rainfall. The greatest concerns related to the weather ...

We won’t encounter much more than a scattered thunderstorm across I-10 today at a 40-50% chance. A spotty small and brief ...

The significant air mass contrast between northern and southern Ontario will ... The notable temperature gradient between the GTA and Niagara region will fuel a risk of thunderstorms across the latter ...

A battle of two air masses in southern Ontario could spark up thunderstorms across parts of the Golden Horseshoe on Monday afternoon and evening, with a focus on the Niagara region While Thunder ...