I-15 Weather Conditions and Forecasts

2025-04-19 Roadnow

I-15 current weather conditions

• detailI-15 Montana: Overcast, 61°F
• detailI-15 Idaho: Clear, 48°F
• detailI-15 Utah: Clear, 45°F
• detailI-15 Arizona: Clear, 64°F
• detailI-15 Nevada: Clear, 63°F
• detailI-15 California: Clear, 57°F

I-15 7 day weather forecast