Add Yahoo as a preferred source to see more of our stories on Google. An omega block pattern will bring threats of flooding rain to the Plains and Northeast, and some weird temperature maps across the ...

A highly unusual weather pattern for early May has established itself across the United States, leading to prolonged periods of distinct weather conditions depending on location. Forecasters warn that ...

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 ...

An omega block pattern will bring threats of flooding rain to the Plains and Northeast, and some weird temperature maps across the country during the first full week of May. What Is An Omega Block? If ...

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 ...