Grand Junction, Colo. – Dangerous heat will grip western Colorado this week with highs near or above 100 degrees while storms threaten higher terrain and valleys through the weekend.
According to the National Weather Service in Grand Junction, isolated terrain-based storms are possible Monday afternoon, producing gusty outflow winds up to 40 mph. Thunder chances will remain low through Wednesday but expand in coverage Thursday and beyond, raising concerns for lightning and sudden downpours across mountain passes and nearby valleys.
In Grand Junction, daytime highs will surge from 96 degrees Monday to near 101 by Thursday. Nights will stay warm, with lows mostly in the upper 60s to around 70. The extreme heat will combine with scattered storms later in the week, posing risks of flash flooding in canyons and burn scar areas across Mesa, Garfield, and Delta counties.
Drivers are urged to watch for reduced visibility during storms, while hikers and campers should avoid exposed ridges during afternoon hours. Staying hydrated, limiting strenuous activity, and keeping an eye on changing skies will be key to safety.
The National Weather Service warns that elevated storm chances will persist into the weekend, with more advisories possible if activity intensifies.
Five Day Forecast for Grand Junction, CO
- Tuesday: Sunny and hot, high near 100. Low around 65.
- Wednesday: Hot and mostly sunny, high near 100. Low around 68.
- Thursday: Sunny, high near 101. Slight chance of showers and storms late. Low near 70.
- Friday: Hot, high near 100. Slight chance of storms late. Low near 68.
- Saturday: Partly sunny with storms possible, high near 96. Low near 67.
