Ensemble models are one tool to narrow down possibilities of a complicated weather forecast more than a few days away.

A strong, slow-moving system was disrupting weather across the U.S., bringing unusually cool and wet conditions into Arizona. An omega block had settled over much of the country. It is a large-scale ...

First, instead of moving storms quickly eastward, the sluggish jet stream stalled storm systems in place, causing prolonged ...

AI matches daily forecasts like never before, but when it comes to heat, cold, and wind records, HRES physics rules.

The system is expected to move in on Wednesday around mid-afternoon, bringing widespread moisture across the state.

Weather in the tropics is decidedly different than it is in the middle latitudes. It turns out, so are the weather systems – the factors that create things like the daily temperature and humidity! "It ...

A widespread weather pattern change is here. This means more showers this week, and cooler temperatures due to the cloudiness. There still isn’t a big plunge of “cold” air in sight. After an extended ...

Two more storm systems are expected to hit the northern United States in succession this week, just as a different bout of severe weather across the Northeast begins to slow down. The first of the ...

A weekend weather system is on the move and bringing widespread changes to the Inland Northwest. Ahead of this system, we will see increasing clouds and overcast skies today with gusty winds this ...

PATERSON, New Jersey (WABC) -- A new weather alert system was installed in 14 parks around Paterson, New Jersey, that alerts residents of extreme weather and when to seek shelter. Mayor Andre Sayegh ...

The two systems will bring a chance of light snow and potential travel impacts, according to the National Weather Service.