Helena, MT Weather Forecast
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Helena Weather Forecast
| REST OF TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | FRIDAY | FRIDAY NIGHT | SATURDAY | SUNDAY |
| Chance of Rain | Patchy Fog | Patchy Fog | Partly Sunny | Mostly Cloudy | Mostly Sunny | Mostly Clear | Partly Cloudy | Partly Cloudy | Chance of Rain | Partly Cloudy | Partly Cloudy |
| Lo: 31°FLo: -1°C | Hi: 49°FHi: 9°C | Lo: 25°FLo: -4°C | Hi: 50°FHi: 10°C | Lo: 29°FLo: -2°C | Hi: 51°FHi: 11°C | Lo: 29°FLo: -2°C | Hi: 51°FHi: 11°C Lo: 29°FLo: -2°C | Hi: 51°FHi: 11°C Lo: 29°FLo: -2°C | Lo: 31°FLo: -1°C | Hi: 55°FHi: 13°C Lo: 30°FLo: -1°C | Hi: 55°FHi: 13°C Lo: 30°FLo: -1°C |
| POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 952 PM MST Sun Nov 01 2026 

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Issued: 956 PM MST Sun Nov 1 2026
Key Messages
- Widespread precipitation today, with accumulating snow most prevalent over the higher terrain of southwest MT tonight into Monday morning.
- Milder and drier conditions start by Tuesday and generally prevail through the rest of the upcoming workweek.
- With lighter winds and areas of high humidity levels, pockets of fog will be possible during late overnight and morning hours, mainly impacting central and north-central MT and the southwest valleys during the upcoming work week.
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