Police across the Northeast reported hundreds of traffic accidents over the weekend. Meanwhile, a separate storm will continue Monday across much of the Rockies, Plains and upper Midwest.
The state was on the cusp of making new rules to protect people who work in places like warehouses from dangerous heat. A last-minute shake-up leaves workers wondering if they'll be safe come summer.
States in the southern High Plains will be "quite vulnerable to high wildfire risk, especially during high wind events," said Jon Gottschalck of the National Oceanic and Atmospheric Administration.
Washington, D.C.'s famous cherry blossoms hit peak bloom this week. This will be the last season for about 150 of the famous flowering trees — they'll soon be cut down to adjust to sea-level rise.
Tornadoes tore through several states, flattening homes and trailers in an RV park and killing at least three people, with more bodies likely to be discovered, authorities said.
The snowstorm also forced flight cancellations and shut down a highway that connects Denver to Colorado ski resorts for much of the day, stranding some people in their cars for hours.
Severe thunderstorms Wednesday evening produced huge chunks of hail in parts of Missouri and Kansas. "Gorilla hail" can create lots of damage and even has the potential to be fatal.
Northern California is expected to receive another round of rain and snow starting Monday, after days of near nonstop snow totaling several feet and wind gusts of up to 150 mph.
Texas officials warned that the threat was not yet over. Higher temperatures and stronger winds forecast for Saturday elevated worries that fires in the Panhandle could continue spreading.
The most powerful Pacific storm of the season began barreling into the region Thursday. It is expected to close major highways and trigger power outages Friday afternoon into Saturday.
The oil and gas giant is suing investor groups that want it to slash climate pollution. Interest groups on both sides of the case say it could lead to more lawsuits against activist investors.