| National Weather Service Forecast for:
Dillon MT Issued by: National Weather Service Great Falls, MT |
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| Updated: 12:31 am MDT Jun 30, 2026 | ||||||||||||||||||
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| Overnight |
A chance of showers before 4am, then a slight chance of showers after 5am. Mostly cloudy, with a low around 40. South southwest wind 7 to 9 mph. Chance of precipitation is 30%. |
| Tuesday |
A 50 percent chance of showers and thunderstorms, mainly after 3pm. Mostly cloudy, then gradually becoming sunny, with a high near 68. Southwest wind 3 to 7 mph. |
| Tuesday Night |
Showers and thunderstorms likely, mainly before 10pm. Cloudy during the early evening, then gradual clearing, with a low around 42. South southwest wind 3 to 7 mph. Chance of precipitation is 60%. |
| Wednesday |
A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Increasing clouds, with a high near 71. Light southwest wind becoming south southwest 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%. |
| Wednesday Night |
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 43. South wind 3 to 7 mph. Chance of precipitation is 30%. |
| Thursday |
Sunny, with a high near 75. Light south southwest wind becoming west southwest 8 to 13 mph in the afternoon. Winds could gust as high as 23 mph. |
| Thursday Night |
Partly cloudy, with a low around 46. South wind 5 to 11 mph, with gusts as high as 21 mph. |
| Friday |
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 75. Light south southwest wind becoming west southwest 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph. |
| Friday Night |
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 44. |
| Independence Day |
Sunny, with a high near 79. |
| Saturday Night |
Clear, with a low around 48. |
| Sunday |
Sunny, with a high near 84. |
| Sunday Night |
Mostly clear, with a low around 52. |
| Monday |
Mostly sunny, with a high near 84. |
Forecast from NOAA-NWS for Dillon MT.