| National Weather Service Forecast for:
Hamilton MT Issued by: National Weather Service Missoula, MT |
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| Updated: 1:01 am MST Dec 22, 2025 | ||||||||||||||||||
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| Overnight |
Rain likely. Mostly cloudy, with a low around 29. South wind around 6 mph. Chance of precipitation is 60%. |
| Monday |
Rain, possibly mixing with snow after 9am, then gradually ending. High near 41. South southeast wind around 6 mph. Chance of precipitation is 90%. Little or no snow accumulation expected. |
| Monday Night |
A slight chance of rain and snow after 2am. Mostly cloudy, with a low around 30. Southeast wind around 6 mph. Chance of precipitation is 20%. |
| Tuesday |
Rain and freezing rain likely, possibly mixed with snow before 11am, then rain likely, possibly mixed with snow. Patchy fog between 8am and 11am. Otherwise, mostly cloudy, with a high near 41. South wind around 5 mph becoming calm in the morning. Chance of precipitation is 60%. Little or no snow accumulation expected. |
| Tuesday Night |
Mostly cloudy, with a low around 31. South wind around 6 mph. |
| Wednesday |
A 30 percent chance of rain after 11am. Mostly cloudy, with a high near 47. |
| Wednesday Night |
A 50 percent chance of rain. Cloudy, with a low around 30. |
| Christmas Day |
A chance of rain and snow before 11am, then a slight chance of rain. Partly sunny, with a high near 44. |
| Thursday Night |
A chance of rain before 2am, then rain likely, possibly mixed with snow. Mostly cloudy, with a low around 29. |
| Friday |
Rain and snow likely, becoming all snow after 8am. Mostly cloudy, with a high near 40. |
| Friday Night |
A chance of snow. Mostly cloudy, with a low around 23. |
| Saturday |
A slight chance of snow. Mostly cloudy, with a high near 37. |
| Saturday Night |
Mostly cloudy, with a low around 23. |
| Sunday |
Partly sunny, with a high near 41. |
Forecast from NOAA-NWS for Hamilton MT.
