Denver officially cracked 100 degrees for the first time this year Monday, as near-record heat bore down across Colorado.
The National Weather Service at about 2:52 p.m. at its measuring station at Denver International Airport. While the heat broke the triple-digit threshold for the first time in 2026, it fell short of the record of 105 degrees, recorded on this day in 2005.
That record is tied for both in July and the city of Denver overall.
Temperatures across the urban corridor and Eastern Plains were expected to reach or exceed 100 degrees, forecasters said.
Other highs forecast by the for Monday include:
- 84 degrees in , just short of the 85-degree set in 1901
- 98 degrees in , which would tie the city’s daily heat set in 2019
- 99 degrees in , just short of the 100-degree set in 1998
- 99 degrees in , just short of the 100-degree set in 2005
- 100 degrees in , four degrees short of the 104-degree set in 1030
- 101 degrees in , which would tie the heat set in 2019
- 101 degrees in , which would tie the city’s daily heat set in 1998
- 101 degrees in , five degrees short of the 106-degree daily heat set in 1998
- 101 degrees in , six degrees short of the 107-degree set in 1934
A issued by the weather service will be in effect for parts of Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas, Jefferson, Larimer and Weld counties until 9 p.m. Monday.
The weather is expected to remain hot Tuesday and Wednesday, but with a bit less bite. Highs both days are forecast for the low-to-mid 90s, with chances of rain each afternoon, .
This is a developing story and may be updated.
