This map will show current Severe Weather Alerts for the state selected. Maps will not appear for areas which do not currently have any active Severe Weather Alerts. For a comprehensive forecast for your area, please visit the National Weather Service website at

Arizona Severe Weather Alerts

Flood Warning ArizonaState Weather Alerts

Flood Warning
The National Weather Service In Phoenix Has Extended The * Flood Warning For... A Dam Floodgate Release In... Maricopa County In South Central Arizona... * Until 300 Am Mst Monday. * At 1136 Pm Mst, Reporting Gauges Indicate Flow Within The Salt ...Read More.
Effective: March 27, 2020 at 11:39pmExpires: March 30, 2020 at 3:00amTarget Area: Maricopa


Severe Weather Alerts in ArizonaArizona Frequent Weather Alerts: Extreme heat, lightning, flash floods, dust storms, wildfires, tornadoes

Climate Overview

Arizona’s climate is much more diverse than the sandy deserts it brings to mind, but it is still an overall dry place that brings weather hazards along with it. The north is pine-covered and home to the Colorado Plateau and has cold winters and cool summers. The Central Highlands transition zone has mountain ranges and forests that experience mild winters and the south is known for its warm winters and hot, dry summers.

Dry and Hot

Exposure to extreme heat for longer periods of time is a concern and can become deadly if certain precautions are not followed. Dry areas are susceptible to wildfires and Arizona is no different. A sound evacuation plan in wildfire prone areas is advised.


Arizona has two rainy seasons. The winter rainy season is usually accompanied by cold fronts and the summer rainy season can bring heavy downpours. The hot moisture during this time of year brings lightning, wind, thunderstorms and torrential downpours. Though the heavy downpours are typically brief, they often cause flash floods, which are extremely dangerous. Lightning storms are also common and must be prepared for. Intense thunderstorms can also cause dust storms that cause little to no visibility and unsafe conditions.


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