Lake Otatsy, MT Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Lake Otatsy Weather Forecast
| REST OF TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY |
| Chance of Snow | Partly Sunny | Mostly Cloudy | Partly Sunny | Mostly Cloudy | Partly Sunny | Rain and Snow | Snow and Rain | Snow and Rain | Partly Cloudy | Partly Cloudy | Partly Sunny |
| Lo: 25°FLo: -4°C | Hi: 37°FHi: 3°C | Lo: 25°FLo: -4°C | Hi: 39°FHi: 4°C | Lo: 29°FLo: -2°C | Hi: 45°FHi: 7°C | Lo: 31°FLo: -1°C | Hi: 39°FHi: 4°C | Lo: 29°FLo: -2°C | Hi: 40°FHi: 4°C Lo: 29°FLo: -2°C | Hi: 40°FHi: 4°C Lo: 29°FLo: -2°C | Hi: 43°FHi: 6°C |
| POP: 50% | POP: 50% | POP: 70% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 727 PM MDT Wed Oct 28 2026 

Lake Otatsy Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Lake Otatsy Weather Map
Lake Otatsy Quick Facts
Lake Otatsy Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 730 PM MDT Wed Oct 28 2026
Key Messages
- Snow & rain showers continue along the Rocky Mountain Front this afternoon and into Thursday.
- A cold front brings cooler temperatures Thursday and Friday.
- Increasing chances for widespread precipitation this weekend.
Discussion
... /Issued 539 PM MDT Wed Oct 28 2026/- Meteorological Overview:
Zonal to southwest flow aloft this afternoon into Thursday will continue to stream moisture over the Continental Divide. As a result, isolated to scattered rain/snow showers will be persistent prima...
Weather World