Wildfire smoke will be the big story Friday in the Philadelphia region, especially in the morning, when air quality will ...

If you thought air quality was bad in Code Red conditions, there are two worse levels. The Pennsylvania Department of Environmental Protection (DEP) uses the U.S. Environmental ...

The results were surprisingly good—with a few important caveats. Planning summer travel is hard. Planning it for a busy ...

Scale Slimy Fish has a dynamic weather system that changes the weather conditions every few minutes. Certain weather conditions apply different buffs, including Luck Boost, increased mutation chances, ...

A few notable men kept weather records 250 years ago during the adoption of the Declaration of Independence in Philadelphia.

Add Yahoo as a preferred source to see more of our stories on Google. Air quality officials have are forecasting code purple air quality for D.C. and Northern Virginia on July 4 and Sunday, July 5.

Heat and haze stick around as a Code Purple air quality alert is set to take effect Friday. by ChiefMeteorologistVeronica Johnson WASHINGTON (7News) — Washington, D.C., is preparing for what is ...

Baltimore remains under a Code Red Extreme Heat Alert through Saturday as a prolonged stretch of dangerous temperatures grips the region ahead of the Fourth of July holiday. Forecasters expect highs ...

LANSING, Mich. (WLNS) — With high temperatures forecasted to reach into the 90s in the week ahead, the City of Lansing and East Lansing are activating their Code Red extreme heat weather plan. The ...