Grand Junction, Colo. – Hot, smoky, and increasingly unstable — summer weather in western Colorado turns volatile starting Monday as temperatures climb to 101°F and wildfire smoke blankets the region.
According to the National Weather Service in Grand Junction, smoke from multiple wildfires will become more widespread Monday morning, especially between 11 a.m. and 1 p.m., with visibility dropping and health risks rising. A Public Health Advisory remains in effect for much of western Colorado, including Grand Junction, Delta, and Montrose, as well as US-50 and CO-141. Winds could gust up to 20 mph, increasing the threat of dry lightning and fire spread.
Wildfire smoke will linger across much of eastern Utah and western Colorado through the week, with hot and dry conditions persisting. Monday through Saturday will see daily highs near 101°F in Grand Junction, while scattered thunderstorms begin appearing Tuesday and continue into Wednesday. These storms may bring lightning and sudden wind shifts, increasing fire risks in the valleys and higher terrain.
Health officials urge residents to limit outdoor activity when smoke is present, especially those with respiratory or heart conditions. Keep windows closed, use air purifiers, and relocate temporarily if indoor smoke levels rise.
Five-Day Forecast for Grand Junction (July 14–18):
- Monday: 101°F, areas of smoke, breezy afternoon
- Tuesday: 101°F, hot and mostly sunny
- Wednesday: 101°F, chance of storms late
- Thursday: 98°F, mostly sunny
- Friday: 98°F, continued heat
Expect smoke and heat to persist into next weekend. Stay alert for additional air quality advisories and thunderstorm warnings.
