If you go by the astronomical measurement, the first day of fall arrives on the autumnal equinox. The equinoxes, which occur ...

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

According to the Climate Prediction Center, multiple states could see below-average temperatures as August comes to an end.

The Climate Prediction Center, a division of the National Oceanic and Atmospheric Administration (NOAA), released new ...

La Niña happens when ocean waters in the Pacific get cooler than normal. La Niña typically brings cooler, wetter conditions ...

The NOAA Climate Prediction Center is currently forecasting above-average temperatures and near-normal rainfall for Chicago ...

The El Niño Southern Oscillation or ENSO, is one of the most important climate phenomena that impacts fall and winter weather ...

A potential tropical storm could develop later this week in the same region that produced Hurricane Erin. The season's sixth ...

Winter in the Chicago area is a frequent topic of conversation, and new predictions and projections are shedding light on ...

A westward-moving tropical wave could produce an area of low pressure in the tropical Atlantic late in the week of Aug. 18, ...

La Niña conditions could develop this fall and early winter, creating greater chances of cool and wet weather in western ...