Heat Advisory
Status
Event Continued Active alertStart Time
Sun 08/02/2026 02:00 PM EDTEnd Time
Mon 08/03/2026 11:00 PM EDTSignificance
AdvisoryImpacts
Low impact
Locations Affected
Denver, CO ∙ Aurora, CO ∙ Lakewood, CO ∙ Fort Collins, CO ∙ Boulder, CO ∙ Thornton, CO ∙ Westminster, CO ∙ Centennial, CO ∙ Arvada, CO ∙ Greeley, COFull Alert Message
URGENT - WEATHER MESSAGE National Weather Service Denver CO 255 AM MDT Sun Aug 2 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 9 PM MDT MONDAY... * WHAT...Temperatures of 98 to 104 on Sunday and 96 to 101 on Monday. * WHERE...Fort Collins, Boulder and the western suburbs of Denver, Denver, Castle Rock, Briggsdale, and Greeley. * WHEN...From noon today to 9 PM MDT Monday. * IMPACTS...Hot temperatures may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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.
Technical Header
COZ038>043-022300- /O.CON.KBOU.HT.Y.0005.260802T1800Z-260804T0300Z/ 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-Elbert/Central and East Douglas Counties Above 6000 Feet-Northeast Weld County-Central and South Weld County- Including the cities of Roggen, Kiowa, Golden, Lakewood, Denver International Airport, Castle Rock, Pawnee Buttes, Hereford, Fondis, Eaton, Fort Collins, Fort Lupton, Brighton, Longmont, Boulder, City of Denver, Littleton, Grover, Elbert, Highlands Ranch, Briggsdale, Raymer, Aurora, Loveland, Parker, Arvada, Stoneham, Greeley, Larkspur, and Nunn 255 AM MDT Sun Aug 2 2026
