| National Weather Service Forecast for:
Helena MT Issued by: National Weather Service Great Falls, MT |
||||||||||||||||||
| Updated: 1:22 pm MST Dec 20, 2025 | ||||||||||||||||||
|
| Tonight |
Increasing clouds, with a low around 23. South southwest wind 6 to 13 mph, with gusts as high as 26 mph. |
| Sunday |
A slight chance of rain and snow after 1pm. Mostly cloudy, with a high near 39. South southwest wind around 5 mph becoming light and variable in the afternoon. Chance of precipitation is 20%. |
| Sunday Night |
Rain likely, mainly after 11pm. Mostly cloudy, with a steady temperature around 36. South southwest wind 3 to 5 mph. Chance of precipitation is 60%. |
| Monday |
A chance of rain, mixing with snow after 8am, then gradually ending. Partly sunny, with a high near 43. West southwest wind around 6 mph. Chance of precipitation is 50%. Little or no snow accumulation expected. |
| Monday Night |
Mostly cloudy, with a low around 26. South southwest wind 3 to 6 mph. |
| Tuesday |
Mostly cloudy, with a high near 43. South wind around 5 mph becoming calm in the morning. |
| Tuesday Night |
Mostly cloudy, with a low around 33. South wind around 6 mph. |
| Wednesday |
Mostly cloudy, with a high near 49. South wind 6 to 10 mph, with gusts as high as 23 mph. |
| Wednesday Night |
A chance of rain before 8pm, then a chance of rain and snow. Mostly cloudy, with a low around 29. |
| Christmas Day |
A slight chance of rain and snow before 8am, then a slight chance of snow between 8am and 11am. Partly sunny, with a high near 43. |
| Thursday Night |
A chance of rain and snow. Mostly cloudy, with a low around 29. |
| Friday |
A chance of snow. Partly sunny, with a high near 42. |
| Friday Night |
Mostly cloudy, with a low around 25. |
| Saturday |
Mostly sunny, with a high near 40. |
Forecast from NOAA-NWS for Helena MT.
