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Hurricane Polo’s remnants threaten Rockies with widespread rainfall

By Drooid · Sep 30, 2026, 2:43 PM UTC · How we work

Summary

Forecasters Warn Uncertainty

Forecasters warn model disagreement makes Polo’s remnants track over Colorado highly uncertain.
A Pacific upper-low merging with Polo’s moisture could produce Colorado’s most widespread rainfall since May 2023.
Snow levels may drop to 10,500 ft, allowing slushy snow on Rockies peaks above 12,000 ft.
Southern Ontario could receive 50-100 mm rain, ending a 14-day dry spell and raising humidex to 27-28.
Meteorologists note the Southwest moisture plume approaches record late-September levels, a regional rarity.

Summary

Hurricane Polo Strikes

Hurricane Polo struck Baja California Sur with 110 mph winds before weakening inland.
The storm is expected to drop 4–6 inches of rain in southern Sonora, up to 8 inches locally.
New Mexico officials evacuated Rincon, Salem and Garfield because dam-failure risk rose.
A flood watch from Arizona to Iowa placed 30 million people at flash-flood risk.
Helicopter crews rescued a driver west of Phoenix and three hikers in Zion after floods.

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Forecasters Warn Uncertainty

Forecasters warn model disagreement makes Polo’s remnants track over Colorado highly uncertain.
A Pacific upper-low merging with Polo’s moisture could produce Colorado’s most widespread rainfall since May 2023.
Snow levels may drop to 10,500 ft, allowing slushy snow on Rockies peaks above 12,000 ft.
Southern Ontario could receive 50-100 mm rain, ending a 14-day dry spell and raising humidex to 27-28.
Meteorologists note the Southwest moisture plume approaches record late-September levels, a regional rarity.

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