Arctic temperatures over 2021-22 were the sixth-warmest on record, based on records dating back to 1900.
Excessive rainfall enabled a mosquito population boom in Arizona, increasing the opportunities for the virus to spread from birds to people.
If you're planting a garden this spring, this set of maps based on U.S. climate data can help you see how planting zones across the country have shifted over the past few decades.
Flood risk in Upper Midwest, Midwest and Southeast.
It was the seventh-warmest February on record going back to 1880, and it is virtually certain 2022 will wind up one of the ten warmest years on record, despite the cooling influence of La Niña.
Greenland has lost ice mass every year since 1998. Losses in 2021 would have added about 0.2 millimeters to global sea level.
A record-warm autumn boosted Arctic 2020-21 surface temperatures to the rank of seventh-warmest year on record since 1900.
Our interactive map shows the latest date of measurable snow recorded at thousands of U.S. weather stations, based on data through April 11, 2018.
For those of you dreaming of a white Christmas, NOAA has a map showing the historic probability of your dream coming true.