These states have suffered the most billion-dollar weather and climate disasters since 1980.
Here's why winter is the fastest-warming season in most of the country.
Fall is trending warmer in the U.S., which can affect fall foliage and agriculture.
From deluge to wildfires, summer 2018 was one of extremes in the U.S.
Halfway through 2018, the U.S. is having its 14th warmest year on record, with the Southwest leading the way.
Drought and deluge are both expected to be more common in a warming world. See how far off these cities are from normal precipitation so far in 2018.
Longer frost-free seasons mean longer allergy seasons, a trend impacting all regions of the country.
There were some unusual highs and lows to snowfall totals across the U.S. this winter. Take a look at the long-term trends in total snow for more than 1,100 sites.