When our lows are in the mid to high-70s in the Phoenix area, that's when you know summer has arrived in the Valley.

Hydrologists said in December that Lake Powell’s runoff would be 92% of average. In January, the forecast dropped to 81%, ...

Amy Alonzo, the Nevada Independent And just like that, the 83rd legislative session is over. In its wake, Nevada lawmakers ...

Now that the rain has moved out, temps will be rising in the Valley. On Thursday, we'll see a high near 99 degrees.

Ukrainian President Volodymyr Zelenskyy on Wednesday dismissed Russia’s ceasefire proposal as “an ultimatum” and renewed his ...

In the southeastern Utah desert famous for red rock arches and canyon labyrinths, the long-dormant uranium mining industry is ...

President Donald Trump and congressional Republicans have made it a priority this year to require people to prove citizenship ...

Concerningly low amounts of water are flowing from the Rocky Mountain snowpack this spring, a summer of drought looms across ...

The largest reservoir in the US is under threat again, with low runoff and rising temperatures raising the risk of supply ...

As the Colorado River shrinks due to drought and climate change, the negotiators must decide who will take less water — and ...

Melting snow from California's Sierra Nevada is filling reservoirs. But dry conditions have shrunk the flow of the Colorado ...

As the Colorado River’s giant reservoirs have declined during the last two decades, even larger amounts of water have been pumped and drained from underground, according to new research based ...