A weather pattern named for the Greek letter omega is guiding US weather, forecasters said. The pattern is expected to ...

Add Yahoo as a preferred source to see more of our stories on Google. An “omega block” weather pattern is forecast to set up across the country this weekend, possibly bringing some May snow. Here's ...

A blocking pattern will make for slow-moving weather. From a flood threat to upside down temperatures: here’s what we’re watching.

The upper-air pattern right now is not allowing any rain-producing weather systems into Michigan. The block is going to be ...

Millions of Americans are bracing for a variety of weather conditions on the East and West Coasts this week as an Omega block weather pattern begins to take shape.

Michigan is forecast to see a string of warm and dry days to start June, thanks to a weather pattern known as the omega block ...

A slow-moving upper air formation called an Omega Block is still impacting Michigan’s forecast today. While temperatures on Thursday will be a bit cooler than earlier this week, sunny skies and dry ...

We have a BIG warm up on the way as an extended warm period begins this weekend and extends into next week BLOCKING PATTERNS IN THE ATMOSPHERE MATTER because they effectively put the brakes on ...