Weather WorldOtis Lake, MT Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Otis Lake Weather Forecast
| TODAY | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT |
 |  | | |  |  | | | |  | |  |
| Partly Cloudy | Patchy Fog | Patchy Fog | Patchy Fog | Mostly Sunny | Partly Cloudy | Partly Cloudy | Partly Cloudy | Mostly Sunny | Mostly Clear | Partly Cloudy | Chance of Rain |
| Hi: 50°FHi: 10°C | Lo: 26°FLo: -3°C | Hi: 55°FHi: 13°C | Lo: 26°FLo: -3°C | Hi: 60°FHi: 16°C | Lo: 35°FLo: 2°C | Hi: 65°FHi: 18°C | Lo: 35°FLo: 2°C | Hi: 56°FHi: 13°C | Lo: 35°FLo: 2°C | Hi: 56°FHi: 13°C | Lo: 35°FLo: 2°C |
| POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1223 AM MDT Wed Oct 14 2026 
Otis Lake Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Otis Lake Weather Map
Otis Lake Quick Facts
Otis Lake Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 234 AM MDT Wed Oct 14 2026
Discussion
...
KEY MESSAGES:- Cold mornings with valley fog for much of the rest of the week.
- A warming trend for high temperatures through the end of the week with Friday 10 to 15 degrees above average.
- Cold front coming this weekend brings gusty winds to northwest MT on Saturday.
High pressure slowly builds over the Northern Rockies, while low pressure develops over Southern California. This is a blocking pattern and will slow the progression of weather systems from west to east. Expect continued ...