La Niña is likely to collapse mid-winter, according to NOAA’s Climate Prediction Center, weakening the typical winter effects. A transition to El Niño could happen this summer.

While the western half of the county experiences above-average temperatures, a pattern flip will bring temperatures dipping across the Eastern U.S. later this week. On Thursday, more than 100 million people could see below-average temperatures, with highs 5 to 15 degrees below average. This cold air will extend from Florida all the way up to the Great Lakes. Atlanta, Nashville and Birmingham are expected to see temperatures in the mid 30s while Pittsburgh and Chicago will see temperatures in the mid 20s. By Friday, this cold air will expand to the Northeast. Watch to see what temperatures will look like in your city.

Lightning supercharged the U.S. sky in 2025, with a new report revealing an eight-year high in activity, a single day that produced more than 3 million lightning events and severe weather outbreaks that lit up the nation. From Texas to Florida and Oklahoma in between, these states racked up the top titles.

There are four remaining playoff games this Sunday and Monday, all played outdoors. The common denominator to these will be wind.

After record December storms collapsed roofs and sank boats, Juneau, Alaska, has been racing to dig out from a fresh round of heavy snow before rain arrives. Here's the latest.