Grand Junction, Colo. – Triple-digit heat will hammer western Colorado again Tuesday as Grand Junction climbs to 102°F under blazing sun, bringing elevated fire danger and potential health risks along busy corridors like I-70 and U.S. Hwy 50.
According to the National Weather Service in Grand Junction, Tuesday’s highs will reach 102°F by midafternoon with calm morning winds shifting westerly up to 10 mph. A slight chance of thunderstorms enters the area late Tuesday evening, increasing humidity and triggering minor lightning risks between 9 p.m. and midnight.
By Wednesday, highs will hover near 101°F, and a 10% chance of isolated storms could bring brief gusty winds. Winds may reach up to 20 mph in the afternoon. Nighttime lows through midweek remain in the upper 60s, offering limited overnight relief.
Impacts:
Outdoor workers, hikers, and anyone commuting through Grand Junction should stay hydrated, limit exposure during peak heat, and check local fire advisories. Avoid strenuous activity between 2–6 p.m., when heat stress risk peaks.
Looking Ahead:
Thursday and Friday continue the heat trend with highs of 99–96°F and slight thunderstorm chances Friday evening. This weekend brings minor relief: highs dip slightly into the mid-90s with overnight storms possible Saturday and Sunday.
📅 5-Day Forecast: Grand Junction, CO
- Tuesday (Jul 15): Sunny and hot, high of 102°F.
- Wednesday: High of 101°F, slight chance of PM thunderstorms.
- Thursday: Mostly sunny, high of 99°F.
- Friday: 96°F with a slight chance of PM storms.
- Saturday: 95°F and storm chances continue into the evening.
