The 10 US Cities That Are Warming the Fastest

The southwest corner of the US has long been known as a sweltering spot, but it's only getting hotter, according to Climate Central, which ranked 178 US cities based on temperature changes since 1965. All but three have seen temperatures rise in the past 50 years, but some are warming faster than others. Here are the top 10 fastest warming cities, based on the average temperature rise per decade:

1. Reno, Nev.: 1.39 degrees
2. Phoenix, Ariz.: 1.12
3. Las Vegas, Nev.: 1.04
4. Riverside, Calif.: 0.95
5. Prescott, Ariz.: 0.89
6. Chattanooga, Tenn.: 0.82
7. Tucson, Ariz.: 0.8
8. Minneapolis, Minn.: 0.76
9. El Paso, Texas: 0.75
10. Duluth, Minn.; Fargo, ND; St. Louis, Mo.: 0.72

Click for the full list, or check out the hottest US cities. (More US cities stories.)