I-15 Weather Conditions and Forecasts

2026-02-06 Roadnow

I-15 Friday Night 2026-02-06 weather conditions

• detailI-15 Montana: Mostly Cloudy, 57°F
• detailI-15 Idaho: Partly Cloudy, 56°F
• detailI-15 Utah: Partly Cloudy, 58°F
• detailI-15 Arizona: Mostly Clear, 77°F
• detailI-15 Nevada: Mostly Clear, 75°F
• detailI-15 California: Patchy Fog, 82°F

I-15 7 day weather forecast