I-25 weather conditions near Custer, Montana
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Overnight 2025-07-05, Scattered Showers. Scattered showers and thunderstorms before 3am. Partly cloudy, with a low around 60. Light and variable wind. Chance of precipitation is 30%.Saturday 2025-07-05, Mostly Sunny then Severe Thunderstorms. Showers and thunderstorms likely, mainly after 3pm. Some of the storms could be severe. Sunny during the morning, then mostly cloudy during the afternoon, with a high near 86. Northeast wind 5 to 8 mph becoming west northwest in the afternoon. Chance of precipitation is 60%.
Saturday Night 2025-07-05, Severe Thunderstorms then Patchy Fog. Showers likely and possibly a thunderstorm before 9pm, then showers likely between 9pm and midnight. Some of the storms could be severe. Patchy fog after 3am. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 56. North wind 5 to 9 mph becoming light and variable after midnight. Chance of precipitation is 60%.
Sunday 2025-07-06, Sunny. Sunny, with a high near 84. Calm wind becoming west northwest around 5 mph.
Sunday Night 2025-07-06, Mostly Clear. Mostly clear, with a low around 59. Light and variable wind.- Monday 2025-07-07, Sunny. Sunny, with a high near 89. Calm wind becoming northeast around 5 mph in the afternoon.
- Monday Night 2025-07-07, Mostly Clear. Mostly clear, with a low around 61. Northeast wind around 5 mph becoming calm in the evening.
Tuesday 2025-07-08, Hot. Sunny and hot, with a high near 98. Calm wind becoming west around 5 mph in the afternoon.- Tuesday Night 2025-07-08, Mostly Clear. Mostly clear, with a low around 65. South southwest wind around 6 mph becoming calm in the evening.
- Wednesday 2025-07-09, Hot. Sunny and hot, with a high near 99. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Wednesday Night 2025-07-09, Mostly Cloudy. Mostly cloudy, with a low around 64. North wind 5 to 7 mph becoming calm after midnight.- Thursday 2025-07-10, Hot. Mostly sunny and hot, with a high near 91. Light and variable wind becoming north 5 to 9 mph in the morning.
Thursday Night 2025-07-10, Slight Chance T-storms then Mostly Clear. A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 61. North wind 5 to 8 mph.
- Friday 2025-07-11, Sunny. Sunny, with a high near 86. North wind 5 to 8 mph.