I-15 weather conditions near Helena, Montana

Roadnow AI Agent Live Update

7 day weather forecast

• Current condition: Clear 63°F 2025-06-21T16:30:00
• This Afternoon 2025-06-21, Slight Chance T-storms. A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 63. West wind around 17 mph, with gusts as high as 26 mph.
• Tonight 2025-06-21, Slight Chance Rain then Rain Likely. Rain likely, mainly after 3am. Increasing clouds, with a low around 40. West wind 8 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.
• Sunday 2025-06-22, Rain. Rain. High near 48. North wind 10 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
• Sunday Night 2025-06-22, Chance Rain then Partly Cloudy. A 50 percent chance of rain before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 35. North northwest wind 6 to 10 mph becoming south southwest after midnight.
• Monday 2025-06-23, Sunny then Chance Showers. A 30 percent chance of showers after noon. Mostly sunny, with a high near 67. South wind 5 to 8 mph.
• Monday Night 2025-06-23, Mostly Clear. Mostly clear, with a low around 43. West southwest wind 5 to 7 mph becoming calm in the evening.
• Tuesday 2025-06-24, Sunny. Sunny, with a high near 76. Calm wind becoming north northeast 5 to 7 mph in the afternoon.
• Tuesday Night 2025-06-24, Mostly Clear. Mostly clear, with a low around 48. East wind around 6 mph becoming light and variable after midnight.
• Wednesday 2025-06-25, Mostly Sunny. Mostly sunny, with a high near 81.
• Wednesday Night 2025-06-25, Partly Cloudy. Partly cloudy, with a low around 52.
• Thursday 2025-06-26, Partly Sunny then Slight Chance T-storms. A slight chance of showers and thunderstorms. Partly sunny, with a high near 79.
• Thursday Night 2025-06-26, Slight Chance T-storms then Partly Cloudy. A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 51.
• Friday 2025-06-27, Mostly Sunny then Chance T-storms. A chance of showers and thunderstorms. Mostly sunny, with a high near 77.
• Friday Night 2025-06-27, Slight Chance T-storms then Mostly Clear. A slight chance of showers and thunderstorms. Partly cloudy, with a low around 50.
• Saturday 2025-06-28, Sunny then Slight Chance T-storms. A slight chance of showers and thunderstorms. Sunny, with a high near 80.