I-15 weather conditions near Helena, Montana
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7 day weather forecast
Current condition: Clear 68°F 2024-06-19T14:06:00 
Juneteenth 2024-06-19, Chance T-storms. A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 70. East northeast wind around 6 mph becoming northwest.Tonight 2024-06-19, Slight Chance T-storms then Mostly Clear. A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 10pm. Mostly clear, with a low around 43. Southeast wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 20%.
Thursday 2024-06-20, Mostly Sunny then Slight Chance T-storms. A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 77. Calm wind becoming northeast 5 to 7 mph in the afternoon.
Thursday Night 2024-06-20, Slight Chance T-storms. A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 52. East northeast wind 5 to 7 mph becoming calm after midnight.Friday 2024-06-21, Slight Chance Showers then Showers Likely. A slight chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 77. Calm wind becoming north 5 to 7 mph in the afternoon. Chance of precipitation is 60%.
Saturday 2024-06-22, Sunny. Sunny, with a high near 84. Light and variable wind becoming west northwest 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.
Saturday Night 2024-06-22, Mostly Clear. Mostly clear, with a low around 58. West northwest wind 5 to 7 mph becoming south in the evening.- Sunday 2024-06-23, Sunny. Sunny, with a high near 93.
- Sunday Night 2024-06-23, Mostly Clear. Mostly clear, with a low around 57.
- Monday 2024-06-24, Sunny. Sunny, with a high near 85.
- Monday Night 2024-06-24, Mostly Clear. Mostly clear, with a low around 53.
- Tuesday 2024-06-25, Sunny. Sunny, with a high near 83.