Grand Junction, Colorado – Triple-digit temperatures return to western Colorado Friday as Grand Junction braces for a scorching weekend, with highs nearing 102°F through Monday. A summer weather alert is in effect for Mesa County as persistent heat threatens outdoor safety and raises the risk of heat-related illnesses.
According to the National Weather Service, Friday, July 11, kicks off a multi-day heat stretch with sunny skies and a high of 99°F. Winds will remain light but shift to the northwest by afternoon. Saturday and Sunday intensify the heat, with Saturday topping out at 98°F and Sunday peaking at 101°F. Overnight lows will only dip into the mid-60s, offering minimal relief.
Drivers on I-70 and rural highways near Grand Junction should prepare for hot pavement conditions and reduced vehicle performance. Residents are urged to stay indoors during peak hours (12 p.m. to 6 p.m.), drink plenty of water, and check on neighbors and pets. Cooling shelters may open if temperatures exceed 100°F for consecutive days.
No storms or cloud cover are expected, amplifying the sun’s intensity. Monday and Tuesday will continue the trend, both with forecast highs of 102°F under clear skies.
⚠️ Warning: This heatwave poses health risks, especially for outdoor workers, children, and older adults. Avoid strenuous activity and never leave pets or people in parked vehicles.
🌤️ Extended Five-Day Forecast for Grand Junction, CO (July 11–15):
- Friday: Sunny and hot, high near 99°F
- Saturday: Sunny, high 98°F, low 66°F
- Sunday: Sunny, high 101°F, low 67°F
- Monday: Sunny and very hot, high 102°F, low 68°F
- Tuesday: Sunny, high near 102°F, low 67°F
