Storms Shift East as Southwest Flood Threat Continues
Storms Shift East as Southwest Flood Threat Continues
US · Published Sep 18, 2026
Southwest monsoon storms are expected to gradually weaken Friday as they shift east, but the risk of flash flooding will continue across parts of the region.
Even limited rainfall can trigger rapid flooding, with high hourly rain rates capable of sending runoff into desert arroyos and causing mudslides or dangerous debris flows.

As the storm activity moves, the focus for potential flooding will also migrate. This eastward progression is a common pattern for monsoon systems in the region. Meteorologists are closely monitoring the trajectory and intensity of these systems to provide timely updates and warnings. The monsoon season is a critical period for water resources in the Southwest, but it also brings significant hazards that require careful management and public awareness. Residents in affected areas are advised to stay informed about the latest weather forecasts and local conditions.

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