Denver, CO
Colorado weather: Afternoon thunderstorms threaten flooding, large hail, strong winds
Afternoon thunderstorms moving across Colorado on Thursday could bring flash floods, large hail and strong winds, according to the National Weather Service.
Widespread showers and thunderstorms are forecast across the mountains today, and will gradually spread into the Interstate 25 corridor and plains this afternoon and evening, NWS forecasters said in a hazardous weather alert Thursday.
Thunderstorms will bring heavy rain and possible flash flooding, especially over alpine burn scars, according to the hazardous weather outlook.
In areas where fire burns hot or long enough — including burn scars left by the Cameron Peak fire in Jackson and Larimer counties, the East Troublesome fire in Grand and Larimer counties, the Williams Fork fire in Grand County and the Alexander Mountain fire in Larimer County — the soil develops a water-repellant layer that reacts like rain on pavement, weather officials said.
Rainfall that would normally be absorbed by the forest canopy and loose tree litter on the ground instead runs off, starting flash floods during periods of heavy rain.
“If you can look uphill from where you are and see a burnt-out area, you are at risk,” NWS meteorologists said.
Gusty winds and hail are the main threats over Denver and east of the metro area, forecasters said in the hazardous weather outlook.
Expected wind speeds and hail sizes were not available Thursday morning, but NWS categorizes “strong” winds as 60 mph or more and “large” hail as hail from 1 inch to 1 3/4 inch in diameter — between the size of quarters and golf balls.
Storms will be most active in Denver between 5 p.m. and midnight, and strongest across the Eastern Plains between 2 p.m. and midnight, according to NWS meteorologists.
Denver will see temperature highs of 86 degrees Thursday before dropping into the low 60s overnight, according to forecasters.
Severe weather will continue throughout the week in the mountains and upper foothills, but the metro area can expect only mild afternoon showers through the weekend, forecasters said.
A Frontier Airlines plane has hit and killed a person at Denver’s international airport, prompting the evacuation of passengers. Authorities say the man jumped a perimeter fence and ran in front of the plane as it was taking off to Los Angeles.
Published On 10 May 2026
Denver, CO
Pedestrian fatally hit by Frontier airplane departing Denver for Los Angeles, flight canceled after
Posted:
Updated:
DENVER (AP) — A Frontier Airlines plane hit a pedestrian on the runway of the Denver International Airport during takeoff, airport authorities said, sparking an engine fire and forcing passengers to evacuate.
The plane, on route from Denver to Los Angeles International Airport, “reported striking a pedestrian during takeoff at DEN at approximately 11:19 p.m. on Friday,” the airport’s official X account wrote.
Neither the airport nor the airline has disclosed the pedestrian’s condition.
“We’re stopping on the runway,” the pilot tells the control tower according to the site ATC.com. “We just hit somebody. We have an engine fire.”
The pilot tells the air traffic controller they have “231 souls” on board and that and “individual was walking across the runway.”
The air traffic controller responds that they are “rolling the trucks now” before the pilot tells the tower they “have smoke in the aircraft. We are going to evacuate on the runway.”
Frontier Airlines said in a statement flight 4345 was the one involved in the collision and that “smoke was reported in the cabin and the pilots aborted takeoff.” It was not clear whether the smoke was linked to the crash with the pedestrian.
“The Airbus A321 was carrying 224 passengers and seven crew members,” the airline said. “We are investigating this incident and gathering more information in coordination with the airport and other safety authorities.”
Passengers were then evacuated via slides and the emergency crew bused them to the terminal.
Denver Airport said the National Transportation Safety Board had been notified and that runway 17L, where the incident took place, will remain closed while an investigation is conducted.
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