Mesa Countyarea
Jul 9, 2026, 2:06 AMeffective
Jul 10, 2026, 10:00 PMexpires
NWS Grand Junctionsource
Approximate affected area. Zone-based advisories do not include an exact boundary
Full advisory
WHAT
Dangerously hot conditions with temperatures up to 108 possible.
WHERE
Portions of northwest, southwest, and west central Colorado and east central, northeast, and southeast Utah.
WHEN
From Saturday afternoon through Sunday evening.
IMPACTS
Extreme heat will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities.