Grand Junction, Colo. – Thunderstorms rolling across western Colorado Sunday night could bring lightning, small hail, and mountain snow before calmer weather arrives midweek. Drivers on I-70 through the high country should prepare for slick conditions and sudden visibility drops as storms develop.
According to the National Weather Service in Grand Junction, storms will continue through tonight across much of western Colorado, with heavy rain possible in mountain valleys. Strong winds and lightning could create hazards for travelers and outdoor activities. Snow may accumulate at higher elevations, especially along the San Juan and Elk Mountains, though most impacts will remain above 9,000 feet.
On Monday, skies clear across the Grand Valley, with highs near 78°F under sunny skies. Eastern Utah and western Colorado will still see isolated storms early in the week, but the main threat will be gusty afternoon winds. By Tuesday, drier air pushes in, bringing mostly sunny conditions with highs near 80°F.
The bigger story comes as September closes and October begins Wednesday. Temperatures will climb into the low 80s, a reminder of late-season warmth even as nights dip into the 50s. Dry skies and calm winds dominate through the weekend, offering a welcome break from stormy conditions.
Residents should stay alert tonight for lightning, small hail, and heavy rain. Drivers crossing high mountain passes should use caution, as wet roads and isolated snow may cause travel delays.
Five Day Forecast for Grand Junction, CO
- Monday: Sunny, high 78°F, low 55°F.
- Tuesday: Mostly sunny, high 80°F, low 54°F.
- Wednesday: Sunny, high 81°F, low 54°F.
- Thursday: Sunny, high 83°F, low 53°F.
- Friday: Mostly sunny, high 82°F, low 53°F.
