Monsoon season is Arizona’s stormiest time of year. Each June into early July, our predominant winds shift out of the south as high pressure builds near the Four Corners. That shift in the winds brings in moisture, which rises to form towering thunderstorms in the heat of the day. The monsoon season officially begins on June 15 and runs until September 30. During that time, thunderstorms often form in the heat of the day, bringing heavy rain, lightning, damaging winds, dust storms, and flooding. Not all monsoons are the same, though. Some years, our monsoon season is hot and dry, while other years are not as hot and very rainy. … The NOAA Climate Prediction Center has odds favoring a wetter-than-normal monsoon across Arizona this year.

Other weather and water forecast news:

• San Francisco Chronicle: Oceans are warming — but one spot is getting colder. It could be a clue to the future
• NBC12 (Phoenix): Everything you need to know about Monsoon