I-15 Weather Conditions and Forecasts

2026-02-06 Roadnow

I-15 Tuesday 2026-02-10 weather conditions

• detailI-15 Montana: Partly Sunny, 34°F
• detailI-15 Idaho: Mostly Cloudy, 28°F
• detailI-15 Utah: Chance Rain, 34°F
• detailI-15 Arizona: Isolated Showers, 48°F
• detailI-15 Nevada: Mostly Cloudy, 49°F
• detailI-15 California: Increasing Clouds, 48°F

I-15 7 day weather forecast