Tolean Lake, MT Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Tolean Lake Weather Forecast
| TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
| Partly Cloudy | Partly Cloudy | Partly Cloudy | Mostly Sunny | Partly Cloudy | Chance of Rain | Chance of Rain | Rain and Snow | Rain and Snow | Partly Cloudy | Chance of Snow | Chance of Snow |
| Lo: 35°FLo: 2°C | Hi: 60°FHi: 16°C | Lo: 35°FLo: 2°C | Hi: 65°FHi: 18°C | Lo: 36°FLo: 2°C | Hi: 65°FHi: 18°C | Lo: 36°FLo: 2°C | Hi: 45°FHi: 7°C | Lo: 25°FLo: -4°C | Hi: 45°FHi: 7°C | Lo: 25°FLo: -4°C | Hi: 46°FHi: 8°C |
| POP: 20% | POP: 90% | POP: 80% | POP: 40% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1254 PM MDT Mon Oct 19 2026 

Tolean Lake Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Tolean Lake Weather Map
Tolean Lake Quick Facts
Tolean Lake Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 214 AM MDT Mon Oct 19 2026
Discussion
...
KEY MESSAGES:- Mild temperatures continue through Thursday.
- Unsettled weather, colder temperatures arrive Thursday night into next weekend.
Mild weather remains the main story across the Northern Rockies through the middle of the week. Our weather pattern is being driven by split flow, with a slow moving closed low near the California coast, and the main storm track focused north in Alaska and Canada. Day-time temperatures will run around 10 degrees above average across the region thr...
Weather World