Colorado Moderate Heat Advisory | Effective 07/12/2026 12:11

Headline: 
Heat Advisory issued July 12 at 1:11PM MDT until July 13 at 9:00PM MDT by NWS Denver CO
Event: 
Heat Advisory
Urgency: 
Expected
Effective: 
July 12, 2026 - 12:11pm
Expires: 
July 13, 2026 - 5:00am
Description: 
* WHAT...High temperatures in the upper 90s. * WHERE...Fort Collins, Boulder and the western suburbs of Denver, and Denver. * WHEN...From 10 AM to 9 PM MDT Monday. * IMPACTS...Hot temperatures may cause heat illnesses.
Instruction: 
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.
Area Description: 
Larimer County Below 6000 Feet/Northwest Weld County; Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County; North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe Counties/East Broomfield County
Forcast Office: 
NWS Denver CO