I-15 weather conditions near Helena, Montana
Roadnow AI Agent Live Update
Seasoned Weather Conditions
Current Weather Conditions
click anywhere on map to change location
7 day weather forecast
Current condition: Clear 72°F 2025-08-24T22:45:00 
Tonight 2025-08-24, Mostly Clear. Mostly clear, with a low around 55. West wind around 6 mph becoming calm after midnight.
Monday 2025-08-25, Mostly Sunny. Mostly sunny, with a high near 87. Calm wind becoming east northeast 5 to 7 mph in the afternoon.
Monday Night 2025-08-25, Mostly Cloudy. Mostly cloudy, with a low around 57. Northeast wind 5 to 7 mph becoming calm in the evening.
Tuesday 2025-08-26, Partly Sunny. Partly sunny, with a high near 85. Calm wind becoming east northeast 5 to 7 mph in the afternoon.- Tuesday Night 2025-08-26, Mostly Cloudy. Mostly cloudy, with a low around 58. Northeast wind 5 to 8 mph becoming calm after midnight.
Wednesday 2025-08-27, Mostly Cloudy then Slight Chance T-storms. A 20 percent chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 78. Calm wind becoming east 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.
Wednesday Night 2025-08-27, Chance Showers. A chance of showers and thunderstorms. Mostly cloudy, with a low around 59. East wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 40%.
Thursday 2025-08-28, Showers Likely. A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 75. Calm wind becoming west southwest around 6 mph in the afternoon.
Thursday Night 2025-08-28, Chance Showers. A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 56.- Friday 2025-08-29, Chance Showers. A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 77.
Friday Night 2025-08-29, Slight Chance T-storms then Partly Cloudy. A slight chance of showers and thunderstorms. Partly cloudy, with a low around 55.
Saturday 2025-08-30, Sunny. Sunny, with a high near 83.- Saturday Night 2025-08-30, Mostly Clear. Mostly clear, with a low around 55.
Sunday 2025-08-31, Sunny then Slight Chance T-storms. A slight chance of showers and thunderstorms. Mostly sunny, with a high near 83.