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Black Bluff Rapids, MT Weather Forecast
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Black Bluff Rapids Weather Forecast
| TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT |
 |  | | | |  | | |  | | | |
| Sunny | Partly Cloudy | Mostly Sunny | Clearing | Sunny | Mostly Clear | Mostly Clear | Mostly Clear | Partly Cloudy | Partly Cloudy | Mostly Sunny | Mostly Clear |
| Hi: 45°FHi: 7°C | Lo: 21°FLo: -6°C | Hi: 51°FHi: 11°C | Lo: 31°FLo: -1°C | Hi: 59°FHi: 15°C | Hi: 70°FHi: 21°C Lo: 31°FLo: -1°C | Hi: 70°FHi: 21°C Lo: 31°FLo: -1°C | Lo: 44°FLo: 7°C | Hi: 71°FHi: 22°C Lo: 41°FLo: 5°C | Hi: 71°FHi: 22°C Lo: 41°FLo: 5°C | Hi: 69°FHi: 21°C | Lo: 40°FLo: 4°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 336 AM MDT Tue Oct 13 2026 
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Issued: 154 AM MDT Tue Oct 13 2026
Key Messages
-Dense fog is possible this morning across the plains of North- Central Montana and the valleys of Southwestern Montana.
-Today it will remain significantly below seasonal averages with dry weather.
-Wednesday through Friday it will gradually warm up with mostly dry weather.
Discussion
...- Meteorological Overview:
Today there is a weak upper-level ridge over North-central, Central, and Southwestern Montana. This will allow skies to clear. As a result of this combined with snow melting yes...