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 ...

Add Yahoo as a preferred source to see more of our stories on Google. FAYETTEVILLE, Ark. (KNWA/KFTA)— A not-so-typical weather pattern is happening right now above our heads. It's called an Omega ...

A stubborn omega block is driving dangerous heat across the U.S. while severe storms, flooding and monsoon thunderstorms threaten other regions.

An uncommon atmospheric phenomenon known as an omega block will bring days of rain and thunderstorms to the Eastern Seaboard, starting on Saturday and lasting until Wednesday or Thursday. With more ...

After a short stretch of summer-like weather, a new weather pattern is emerging. This upper-air pattern is named after a Greek letter because of the way it appears on weather maps. This week’s Climate ...

A common upper-air pattern seems to be coming a few weeks early. It could be the sign this particular weather pattern will be worked off by the end of May. Right now we have what we meteorologists ...

Your current weather may be around awhile. The large-scale weather pattern that's now influencing much of the USA's weather – known as an omega block because of its resemblance to the Greek letter ...

An “omega block” weather pattern is forecast to set up across the country this weekend, possibly bringing some May snow. Here's what it will mean for you. The Weather Channel is forecasting a ...