Asteroid Lake, MT Weather Forecast
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Asteroid Lake Weather Forecast
| TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY |
| Snow Showers | Snow Showers | Rain/Snow Showers | Snow Showers | Snow Showers | Snow Showers | Partly Cloudy | Mostly Sunny | Partly Cloudy | Mostly Sunny | Partly Cloudy | Mostly Sunny |
| Lo: 29°FLo: -2°C | Hi: 49°FHi: 9°C | Lo: 29°FLo: -2°C | Hi: 49°FHi: 9°C | Lo: 29°FLo: -2°C | Hi: 41°FHi: 5°C | Lo: 20°FLo: -7°C | Hi: 45°FHi: 7°C | Lo: 25°FLo: -4°C | Hi: 50°FHi: 10°C | Lo: 25°FLo: -4°C | Hi: 49°FHi: 9°C |
| POP: 70% | POP: 70% | POP: 30% | POP: 70% | POP: 100% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 651 PM MDT Fri Oct 30 2026 

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Issued: 917 PM MDT Fri Oct 30 2026
Key Messages
- Widespread fog is likely through this morning across much of the region; and again Saturday night into Sunday.
- The chance of precipitation has increased on Saturday ahead of the late weekend weather system, although precip amounts remain light.
- Confidence is increasing in a weather system bringing widespread precipitation (70-90% chance) and breezy conditions (20-40 mph) Sunday into Monday.
- Stronger winds are possible over the Bighorn foothills and along the Dakota border. There is a...
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