While the Fort Collins area remained dry this weekend, rainfall caused streets to flood in Boulder on Sunday afternoon.

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According to the National Weather Service in Boulder, 2.25 inches of rainfall caused street flooding. The video below was shared by Tom Gowan on Twitter, showing floods in the 10th Street area.

Karl Allen shared another video on Twitter, below, which shows how high the flood water reached on 9th Street. A car shown in the video appears to have water up to its bumper.


Last week, flash floods hit Northern Colorado, leaving behind severe damage in the Poudre Canyon outside of Fort Collins. While water in the Poudre River is running murky with ash and debris, the City of Fort Collins has switched to Horsetooth Reservoir as its source for drinking water. At least five structures were lost in mudslides and flooding. Multiple people were unaccounted for, and sadly, two bodies have been recovered.

This week will be drier, and the National Weather Service says that 'flash flooding is not expected,' however 'it can't be completely ruled out in the Camron Peak' burn area.

Flash floods happen very quickly. The Centers for Disease Control and Prevention found that 'over half of all flood-related drownings occur when a vehicle is driven into hazardous flood water,' the National Weather Service shared. The National Weather service also said that just a foot of water can carry away a vehicle, and to 'turn around, don't drown.' You can read more about flood safety here.

2020 Cameron Peak Fire

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