I-15 Weather Conditions and Forecasts

2025-04-10 Roadnow

I-15 current weather conditions

• detailI-15 Montana: Clear, 41°F
• detailI-15 Idaho: Clear, 48°F
• detailI-15 Utah: Clear, 55°F
• detailI-15 Arizona: Clear, 70°F
• detailI-15 Nevada: Clear, 79°F
• detailI-15 California: Clear, 69°F

I-15 7 day weather forecast