The cloudy, rainy and cooler pattern Derby weekend can be explained in two words... omega block! Blocking patterns occurs when centers of high pressure and/or low pressure set up over a region in such ...

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 ...

If the weather forecast seems stuck on repeat, as it was with cloudy, rainy days during the first weekend of May in the Edwardsville area, a local weather expert says it’s probably due to blocking ...

It may only be Tuesday, but we can already say this week is pretty slow and sluggish (at least as far as the weather forecast is concerned). You can thank two rounds of a weather pattern known as a ...

The peak rainfall is now behind us on Sunday. As of this writing, we can expect rain to decrease in coverage heading into the afternoon. Nonetheless, it’s going to be blustery and a downright yucky ...

A stubborn mid-October heat wave across Texas has been fueled by a weather pattern that has trapped warm air from the Gulf Coast far northward into Canada in a setup more typical of midsummer than ...

SIOUX FALLS, S.D. (KELO) — It has been a quiet day in KELOLAND with temperatures continuing to stay warm. Meteorologist Jaelyn Borresen has more details on the pattern bringing us this type of weather ...

COLUMBUS, Ohio — You may have heard of an omega block on social media, but have you ever wondered what it is and how it impacts weather here in Ohio? It comes down to the overall weather pattern and ...

PORTLAND, Ore. (KOIN) — Sunny and dry conditions will prevail across the Pacific Northwest this weekend with blazing blue skies and no rain to worry about. It’s all thanks to an upper-level ...

After a long stretch of cloudy weather, sunshine has returned to the forecast and it looks to stick around for a while. A “omega block” blocking pattern is set up to our west, and looks to keep the ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. The long range forecast shows a blocking ...