I-15 Weather Conditions and Forecasts

2025-11-25 Roadnow

I-15 Today 2025-11-25 weather conditions

• detailI-15 Montana: Increasing Clouds, 32°F
• detailI-15 Idaho: Mostly Sunny, 41°F
• detailI-15 Utah: Partly Cloudy, 47°F
• detailI-15 Arizona: Sunny, 69°F
• detailI-15 Nevada: Clear, 68°F
• detailI-15 California: Clear, 79°F

I-15 7 day weather forecast