I-15 Weather Conditions and Forecasts

2026-02-06 Roadnow

I-15 current weather conditions

• detailI-15 Montana: Clear, 27°F
• detailI-15 Idaho: Clear, 23°F
• detailI-15 Utah: Clear, 28°F
• detailI-15 Arizona: Clear, 50°F
• detailI-15 Nevada: Overcast, 57°F
• detailI-15 California: Clear, 53°F

I-15 7 day weather forecast