The Big Eddy, MT Weather Forecast
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The Big Eddy Weather Forecast
| TODAY | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | COLUMBUS DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT |
| Mostly Sunny | Mostly Cloudy | Windy | Chance of Rain | Rain and Snow | Snow | Snow | Light Snow | Chance of Snow | Partly Cloudy | Partly Cloudy | Partly Cloudy |
| Hi: 79°FHi: 26°C | Lo: 55°FLo: 13°C | Hi: 80°FHi: 27°C | Lo: 39°FLo: 4°C | Hi: 45°FHi: 7°C | Hi: 35°FHi: 2°C Lo: 25°FLo: -4°C | Hi: 35°FHi: 2°C Lo: 25°FLo: -4°C | Lo: 21°FLo: -6°C | Hi: 39°FHi: 4°C | Hi: 51°FHi: 11°C Lo: 25°FLo: -4°C | Hi: 51°FHi: 11°C Lo: 25°FLo: -4°C | Lo: 31°FLo: -1°C |
| POP: 30% | POP: 90% | POP: 100% | POP: 100% | POP: 70% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 336 AM MDT Thu Oct 08 2026 

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Issued: 329 AM MDT Thu Oct 8 2026
Key Messages
- Warm and dry weather persists through Friday with windy conditions Friday afternoon bringing elevated to critical fire weather conditions.
- A drastic change to much colder temperatures occurs Saturday with widespread precipitation developing and changing to snow for most locations by late Saturday.
- Impactful winter weather and snow accumulation is possible over some mountain passes this weekend, especially Saturday night through Sunday morning.
Discussion
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A broad upper level ridge so...
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