I-15 weather conditions near Butte, Montana

Roadnow AI Agent Live Update

7 day weather forecast

• Current condition: Fog 32°F 2025-11-20T22:30:00
• Tonight 2025-11-20, Mostly Clear then Patchy Fog. Patchy fog after midnight. Otherwise, partly cloudy, with a low around 25. Calm wind.
• Friday 2025-11-21, Patchy Fog then Sunny. Patchy fog before 11am. Otherwise, mostly sunny, with a high near 46. Calm wind becoming west around 6 mph in the afternoon.
• Friday Night 2025-11-21, Partly Cloudy. Partly cloudy, with a low around 25. Northwest wind around 6 mph becoming light and variable after midnight.
• Saturday 2025-11-22, Patchy Fog then Mostly Sunny. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 48. Calm wind becoming southwest around 5 mph in the afternoon.
• Saturday Night 2025-11-22, Partly Cloudy. Partly cloudy, with a low around 23. South southwest wind 3 to 5 mph.
• Sunday 2025-11-23, Mostly Sunny. Mostly sunny, with a high near 50.
• Sunday Night 2025-11-23, Slight Chance Rain/Snow. A slight chance of rain and snow after 11pm. Snow level 6500 feet lowering to 5600 feet after midnight . Mostly cloudy, with a low around 27. Chance of precipitation is 20%.
• Monday 2025-11-24, Chance Snow. A chance of snow, mainly before 11am. Mostly sunny, with a high near 36.
• Monday Night 2025-11-24, Slight Chance Snow. A slight chance of snow. Partly cloudy, with a low around 17.
• Tuesday 2025-11-25, Slight Chance Snow then Mostly Sunny. A slight chance of snow before 11am. Partly sunny, with a high near 31.
• Tuesday Night 2025-11-25, Mostly Cloudy. Mostly cloudy, with a low around 17.
• Wednesday 2025-11-26, Slight Chance Snow. A slight chance of snow. Mostly cloudy, with a high near 34.
• Wednesday Night 2025-11-26, Chance Snow. A chance of snow. Mostly cloudy, with a low around 22.
• Thanksgiving Day 2025-11-27, Chance Snow. A chance of snow. Mostly cloudy, with a high near 36.