Belmont, MT Weather Forecast
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Belmont Weather Forecast
| TODAY | TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT |
| Patchy Fog | Patchy Fog | Mostly Sunny | Mostly Cloudy | Mostly Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Chance of Showers | Mostly Sunny | Chance of Showers |
| Hi: 69°FHi: 21°C | Lo: 45°FLo: 7°C | Hi: 79°FHi: 26°C | Lo: 49°FLo: 9°C | Hi: 79°FHi: 26°C | Lo: 49°FLo: 9°C | Hi: 81°FHi: 27°C | Lo: 50°FLo: 10°C | Hi: 81°FHi: 27°C | Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C | Lo: 41°FLo: 5°C |
| POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 509 AM MDT Mon Sep 21 2026 

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Issued: 505 AM MDT Mon Sep 21 2026
Key Messages
- Areas of fog early this morning; fog will be locally dense.
- Warmer and drier for the work week. 80s return midweek.
- Scattered showers and storms late Tuesday into Wednesday.
Discussion
...
Next 7 Days...
As the slow moving upper level low finally makes its exit to our east, we will see clearing skies and temps return to average. While the next system to impact the region will zip through Tuesday and Wednesday, the next large weather maker could impact us this weekend, however a lot of un...
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