Boulder, MT Weather Forecast
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Boulder Weather Forecast
| TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SUNDAY | MONDAY | MONDAY NIGHT | TUESDAY |
| Mostly Cloudy | Clearing | Mostly Clear | Partly Cloudy | Partly Cloudy | Sunny | Mostly Cloudy | Partly Cloudy | Partly Cloudy | Mostly Cloudy | Mostly Cloudy | Partly Cloudy |
| Lo: 28°FLo: -2°C | Hi: 43°FHi: 6°C | Lo: 28°FLo: -2°C | Hi: 43°FHi: 6°C | Lo: 28°FLo: -2°C | Hi: 43°FHi: 6°C | Lo: 31°FLo: -1°C | Hi: 51°FHi: 11°C Lo: 33°FLo: 1°C | Hi: 51°FHi: 11°C Lo: 33°FLo: 1°C | Hi: 48°FHi: 9°C Lo: 33°FLo: 1°C | Hi: 48°FHi: 9°C Lo: 33°FLo: 1°C | Hi: 51°FHi: 11°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 103 PM MST Tue Nov 03 2026 

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Issued: 1251 PM MST Tue Nov 3 2026
Key Messages
-Generally milder and drier conditions prevail for much of the workweek, but a weak front will bring slightly cooler temperatures on Wednesday.
-Patchy fog development will increase over the next couple of nights over the plains and southwest valleys.
-Passing weather systems will bring periods of breezy to windy conditions heading into the weekend and early next week.
Discussion
...- Meteorological Overview:
Ridging aloft looks to bring general mild and dry conditions for much of the upco...
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