I-15 Weather Conditions and Forecasts

2026-02-06 Roadnow

I-15 Today 2026-02-06 weather conditions

• detailI-15 Montana: Sunny, 53°F
• detailI-15 Idaho: Partly Sunny, 57°F
• detailI-15 Utah: Mostly Sunny, 60°F
• detailI-15 Arizona: Mostly Sunny, 72°F
• detailI-15 Nevada: Mostly Sunny, 73°F
• detailI-15 California: Sunny, 70°F

I-15 7 day weather forecast