I-15 weather conditions near Helena, Montana
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Clear 66°F 2025-08-22T21:45:00 
Tonight 2025-08-22, Mostly Clear. Mostly clear, with a low around 50. Northwest wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 18 mph.
Saturday 2025-08-23, Sunny. Sunny, with a high near 84. Light and variable wind becoming north 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Saturday Night 2025-08-23, Partly Cloudy. Partly cloudy, with a low around 52. North wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.
Sunday 2025-08-24, Mostly Sunny. Mostly sunny, with a high near 85. Calm wind becoming northeast 5 to 7 mph in the afternoon.- Sunday Night 2025-08-24, Partly Cloudy. Partly cloudy, with a low around 54. Northeast wind 5 to 7 mph becoming calm after midnight.
- Monday 2025-08-25, Sunny. Sunny, with a high near 85. Calm wind becoming northeast 5 to 8 mph in the afternoon.
- Monday Night 2025-08-25, Mostly Clear. Mostly clear, with a low around 54. North northeast wind 5 to 9 mph becoming calm after midnight.
- Tuesday 2025-08-26, Sunny. Sunny, with a high near 87. Calm wind becoming northeast around 6 mph in the afternoon.
- Tuesday Night 2025-08-26, Partly Cloudy. Partly cloudy, with a low around 57.
Wednesday 2025-08-27, Mostly Sunny then Slight Chance T-storms. A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 86.
Wednesday Night 2025-08-27, Slight Chance Showers. A slight chance of showers. Mostly cloudy, with a low around 58.Thursday 2025-08-28, Partly Sunny then Chance Showers. A chance of showers. Partly sunny, with a high near 82.
Thursday Night 2025-08-28, Slight Chance T-storms then Mostly Cloudy. A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 57.