Believe it or not, meteorologists say the U.S. Global Forecast System Model and other forecast models are getting better.

I hate you." Philadelphians are coping with the season's unstable atmosphere. Plus, why PennDot mistakenly canceled people's ...

As Passover begins Sunday evening, it will be cloudy and damp with isolated showers possible. Overnight into Sunday, low ...

Spring in Philadelphia has always been a season of contrasts, but this year has been particularly challenging. The city experienced a winter that was far milder than predicted, with snowfall totals ...

Clouds and chilly temps will be the rule for the next few days as a weather maker moves through the Philadelphia region. The Friday morning commute will likely have scattered showers, but the rain ...

You probably won’t need your snow shovel on Christmas this year in the Philadelphia region, but you will need to break out the winter parka. Here's what you need to know about any possible snow ...

PHILADELPHIA (WPVI) -- It's an unsettled start to the weekend, but we're turning drier and brighter Sunday with a cool gusty wind. FRIDAY: Clouds are moving in this afternoon, but it's still nice ...

Don’t let temps in the upper 60s fool you as colder air is on the move and set to descend on the Delaware Valley.

But it turns out those models have a bit of a blind-spot: exactly how much of the sun’s energy gets reflected back to space from the snow and ice at our poles. As a result, scientists may have ...

Computer models use global observations to determine the current atmospheric state and solve physics equations to predict weather changes. Despite advancements, long-range snow forecasts remain ...