Grand Junction, Colo. – Relentless heat and wildfire smoke will blanket western Colorado by Monday, July 28, with temperatures in Grand Junction surging to 100°F and a Red Flag Warning in place. Fire weather, health risks, and extreme dryness are converging — and residents should prepare now.
According to the National Weather Service in Grand Junction, a Red Flag Warning remains in effect from 12 p.m. to 8 p.m. Sunday for the Colorado River Headwaters region due to gusty winds, low humidity (7–12%), and dry fuels. Hot, dry, and windy conditions will persist into Monday, July 28, with the heat intensifying and smoke concentrations increasing across Mesa County — especially along Highway 141 and Gateway.
Residents in Grand Junction and surrounding areas should limit outdoor activity and avoid open flames. Smoke will remain heavy at times, particularly Monday morning through Monday night, triggering an Air Quality Health Advisory. Public health officials recommend staying indoors with windows closed, especially for children, older adults, and those with respiratory issues.
Monday will be the hottest day of the week, with temperatures near 100°F under sunny skies and persistent wildfire smoke. The pattern moderates slightly midweek, but relief will be limited.
🔎 Five-Day Forecast | Grand Junction, CO (July 28 – August 2):
- Monday, July 28: Sunny and hot, high near 100°F. Widespread smoke. Winds SE 5–10 mph.
- Tuesday: Mostly sunny, hot again. High around 98°F.
- Wednesday: Slight chance of thunderstorms after 3 p.m. High near 94°F.
- Thursday: Partly cloudy. Slight chance of storms after noon. High near 93°F.
- Friday: Sunny and hot. High near 94°F.
- Saturday: Mostly sunny. High near 95°F.
🔥 Fire danger and smoke-related health risks remain elevated into midweek. More advisories may follow if winds increase.




