Stuck in a high-pressure system, Boulder County has seen an unseasonably warm and dry November, with highs reaching the ...

Heavy snow and blustery winds are expected to hit parts of the U.S. from Wednesday through to Thursday evening—and in some ...

The northern lights put on a rare and stunning display Tuesday night, visible from Jacksonville and across much of North ...

The November 2017 temperature record for the Denver area in Colorado was broken twice over the weekend, according to official forecasters. Meteorologist Kathy Sabine noted that the high—recorded on ...

A red flag warning will be in effect until 5 p.m. Thursday as wind gusts are expected to reach as high as 55 mph. The warning ...

Parts of Florida were treated to the aurora borealis this week. The show appears to be over, though — for now.

It is possible, but the chances of the northern lights putting on another show in the continental United States are low, ...

A forecast map from the National Oceanic and Atmospheric Administration showed that at least 21 states could potentially see ...

Because of the winds and low relative humidity, the National Weather Service (NWS) in Boulder issued a red flag warning for ...

San Francisco Bay Shoreline, Santa Cruz Mountains and Santa Clara Valley Including San Jose are the focus of an updated ...

Waves of colorful northern lights are expected to light up Colorado skies once again Wednesday night as severe geomagnetic ...

At CU Boulder, we lead across all fields of climate research: adaptation and innovation, policy, natural hazards, human ...