When Will the US See This Week’s Biggest Flood Threat?
When Will the US See This Week’s Biggest Flood Threat?
TX · Published Sep 29, 2026
• A dangerous, multiday flood threat is spreading from the Southwest into the Southern Plains and Midwest this week as tropical moisture from Hurricane Polo and the remnants of Odalys move north.
• Tuesday the threat expands into the Texas and Oklahoma Panhandles.

Why It's Important?

The widespread nature and potential intensity of this rainfall event make it a significant concern for millions of Americans. Areas in the path of this storm system could receive between 6 to 8 inches of rain, with isolated locations potentially experiencing even higher totals by the end of the week. Such significant accumulations can quickly overwhelm drainage systems, leading to flash flooding, riverine flooding, and dangerous travel conditions. Low-lying areas, urban centers with poor drainage, and communities near rivers and streams are particularly vulnerable. Residents in affected regions should stay informed about local weather alerts, heed any evacuation orders, and avoid unnecessary travel. The potential for widespread disruption to daily life, including transportation and infrastructure, underscores the importance of preparedness and vigilance during this multi-day flood threat.

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