I-15 Weather Conditions and Forecasts

2025-11-25 Roadnow

I-15 current weather conditions

• detailI-15 Montana: Overcast, 30°F
• detailI-15 Idaho: Clear, 29°F
• detailI-15 Utah: Clear, 36°F
• detailI-15 Arizona: Clear, 50°F
• detailI-15 Nevada: Clear, 55°F
• detailI-15 California: Clear, 59°F

I-15 7 day weather forecast