Areas around wildfire burn scars and roads in the Metro Denver and I-25 corridor with poor drainage are at the highest risk of flash flooding.
“The rain will fall very heavily and there will be a lot of it,” Danielson said.
Mountain community residents should look for higher ground at the first sign of flash flooding, according to the NWS. Drivers in more urban areas should avoid large pools of water on roadways, as they can disable low vehicles.
Harold’s remnants should move through the state by late Saturday morning. More storms are in the forecast for the rest of the weekend.