"It will feel like early fall across much of the Lower 48 as a strong cold front plunges southward," one meteorologist said.

After Cisneros died, Rogers Park residents took it upon themselves to place life rings — at least four — on the pier. Each ...

Lighting may be to blame for causing a fire and explosion at a gas station near Chicago. The blast was so intense, it broke glass in nearby buildings.

Chicago officially had the worst air quality in the world for a few hours Thursday. As a haze of Canadian wildfire smoke blanketed the metro area, no other major city in the world had air ...

Chicago weather: Heat index exceeds 100 degrees in parts of area following pop-up storms Peak heat indices are forecast to be in the 100-110 degree range, the NWS said.

Most of the Chicago area remains under an Air Quality Alert this weekend due to smoke from Canadian wildfires.

The hazy skies in the Chicago area are the visible sign of the poor air quality on Thursday as smoke from Canadian wildfires sent Chicago to the top of the list of most polluted cities in the world.

Troubling scenes from an Arctic in full-tilt crisis The heat that hit Svalbard in February was so intense that scientists could dig into the ground with spoons, "like it was soft ice cream." ...

Chicago air quality remains in the top five worst in the world Friday with an Air Quality Alert in place from Canadian wildfire smoke.

The U.S. Coast Guard icebreaker USCGC Healy is currently conducting vital research in the Arctic.

Chicago weather: Heat advisory, severe weather risk and ‘ring of fire' before big temperature drop 70-degree temperatures were in the forecast this week, but before that comes a "ring of fire ...

Chicago forecast: Rounds of heavy downpours, with severe weather and flash flooding possible By around 1 p.m., rain was expected to reach the Chicago area, with heavy downpours expected through ...