Ryan Heinsius / KNAU

Flood watches have been issued for all of Arizona through Wednesday as increasing tropical moisture is expected to produce showers that could create heavy rainfall.

Mike Elson/USFS Coconino National Forest

An above-average monsoon season has brought unpredictable storms and flash floods to parts of Northern Arizona. It’s difficult to forecast exactly when and where these storms will occur, but scientists at Embry-Riddle Aeronautical University want to change that. They’re launching fleets of drones and weather balloons into newly forming storms in the Black Hills between Prescott and Sedona. KNAU’s Melissa Sevigny spoke with earth scientist Ronny Schroeder about what he hopes to learn.

AP Photo/Ross D. Franklin

Much of the American West has been blasted with sweltering heat this week as a high pressure dome combines with the worst drought in modern history to launch temperatures into the triple digits. 


AP Photo/Ross D. Franklin

Dangerous, record-busting heat is spreading across the U.S. Southwest and into parts of Utah, Montana and Wyoming. 


National Weather Service

The National Weather Service’s outlook on precipitation odds for the 2021 monsoon pretty much amounts to a three-way coin flip. 


AP Photo/Jae C. Hong, File

Rainstorms grew more erratic and droughts much longer across most of the U.S. West over the past half-century as climate change warmed the planet. 


Coconino County

State fire officials and Governor Doug Ducey say the upcoming wildfire season could be early and potentially active. The remarks come after one of the driest years on record in the state. KNAU’s Ryan Heinsius reports.

Grand Canyon National Park

A storm is expected to drop snow across a wide swath of northern Arizona this weekend. 


Ryan Heinsius / KNAU

A series of winter storms have dropped more precipitation in Flagstaff than the city had during last summer's monsoon season.  

Wikimedia Commons

National Weather Service forecasters say the odds favor the coming winter in Arizona being drier and warmer than normal.