Weather WorldThunderbolt Lake, MT Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Thunderbolt Lake Weather Forecast
| REST OF TONIGHT | TUESDAY | TUESDAY NIGHT | VETERANS DAY | WEDNESDAY NIGHT | THURSDAY | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT |
 |  |  |  | |  | |  | |  | | |
| Mostly Cloudy | Sunny | Partly Cloudy | Partly Sunny | Partly Cloudy | Partly Cloudy | Partly Cloudy | Chance of Snow | Chance of Snow | Snow and Rain | Chance of Snow | Snow and Rain |
| Lo: 33°FLo: 1°C | Hi: 45°FHi: 7°C | Lo: 31°FLo: -1°C | Hi: 48°FHi: 9°C | Lo: 31°FLo: -1°C | Hi: 49°FHi: 9°C Lo: 32°FLo: 0°C | Hi: 49°FHi: 9°C Lo: 32°FLo: 0°C | Lo: 33°FLo: 1°C | Hi: 41°FHi: 5°C | Lo: 30°FLo: -1°C | Hi: 40°FHi: 4°C | Lo: 29°FLo: -2°C |
| POP: 20% | POP: 70% | POP: 50% | POP: 20% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1132 PM MST Mon Nov 09 2026 
Thunderbolt Lake Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Thunderbolt Lake Weather Map
Thunderbolt Lake Quick Facts
Thunderbolt Lake Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 1026 PM MST Mon Nov 9 2026
Key Messages
- Light mountain precipitation tonight into early Tuesday.
- Gusty winds return to the Rocky Mountain Front tonight and spread further onto the plains Tuesday.
- Temperatures trend warmer for the latter half of the week as upper level ridging builds in, perhaps challenging some record highs.
Discussion
... /Issued 738 PM MST Mon Nov 9 2026/- Meteorological Overview:
Initially zonal flow aloft trends more southwesterly through the remainder of the day and into tonight as another wave moves onsh...