I-15 weather conditions near Helena, Montana

Roadnow AI Agent Live Update

7 day weather forecast

• Current condition: Clear 10°F 2025-11-30T18:45:00
• Tonight 2025-11-30, Partly Cloudy. Partly cloudy, with a low around 11. West southwest wind 3 to 6 mph.
• Monday 2025-12-01, Increasing Clouds. Increasing clouds, with a high near 35. West southwest wind 5 to 8 mph.
• Monday Night 2025-12-01, Chance Snow. A 40 percent chance of snow. Cloudy, with a low around 27. South southwest wind 7 to 10 mph, with gusts as high as 18 mph. New snow accumulation of less than a half inch possible.
• Tuesday 2025-12-02, Snow. Snow. High near 35. Southwest wind around 7 mph becoming west northwest in the afternoon. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
• Tuesday Night 2025-12-02, Snow Likely then Slight Chance Snow. Snow likely, mainly before 11pm. Cloudy, with a low around 19. Northwest wind 3 to 6 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
• Wednesday 2025-12-03, Mostly Sunny. Mostly sunny, with a high near 33. Light southwest wind.
• Wednesday Night 2025-12-03, Mostly Cloudy. Mostly cloudy, with a low around 21. South southwest wind 6 to 9 mph.
• Thursday 2025-12-04, Partly Sunny. Partly sunny, with a high near 37. Southwest wind around 7 mph.
• Thursday Night 2025-12-04, Chance Snow. A chance of snow. Mostly cloudy, with a low around 27.
• Friday 2025-12-05, Chance Rain/Snow. A chance of snow before 11am, then a chance of rain and snow. Mostly cloudy, with a high near 41.
• Friday Night 2025-12-05, Rain/Snow Likely. Rain and snow likely. Mostly cloudy, with a low around 29.
• Saturday 2025-12-06, Rain/Snow Likely. Rain and snow likely. Mostly cloudy, with a high near 39.
• Saturday Night 2025-12-06, Chance Snow. A chance of snow. Mostly cloudy, with a low around 24.
• Sunday 2025-12-07, Chance Snow. A chance of snow. Partly sunny, with a high near 36.