Another Round of Flooding Possible for the Southwest

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1 Oct 2026 1:35 AM

In the last month, the southwestern states of New Mexico and Arizona have seen their fair share of monsoon showers and storms.

This week, tropical moisture is pushing across the Southwest and plains. This tropical moisture, from Hurricane Polo, will bring the potential for significant flooding across the region.

The flooding has already been seen across the Southwest, including Nevada.

A major push of this moisture will continue to move through.. Several more inches on top of what has already come down are expected. This can quickly lead to flash flooding and debris flows, especially over burn scars. The heaviest of the activity, now expected in Colorado and the Central Plains.

The Weather Prediction Center (WPC) has a moderate (level 3 out of 4) flooding threat in place for portions of Colorado and New Mexico. The flooding threat will taper off by late-week.

Make sure to tune into Weathernation for the latest updates on the forecast.

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