Colorado Moderate Heat Advisory | Effective 07/19/2026 12:01

Headline: 
Heat Advisory issued July 19 at 1:01PM MDT until July 20 at 9:00PM MDT by NWS Denver CO
Event: 
Heat Advisory
Urgency: 
Expected
Effective: 
July 19, 2026 - 12:01pm
Expires: 
July 20, 2026 - 5:15am
Description: 
* WHAT...High temperatures between 98-102 expected on Sunday and Monday. Low temperatures Sunday night will be between 68-71 in the Denver metro. * WHERE...Fort Collins, Boulder, the Denver metro, and Greeley. * WHEN...Until 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. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. 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; Central and South Weld County
Forcast Office: 
NWS Denver CO