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Merrell Lake Weather Forecast
| TODAY | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT |
 |  |  |  |  | | | | | | | |
| Chance of Showers | Chance of Showers | Chance of T-Storm | Mostly Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Mostly Sunny | Chance of Showers |
| Hi: 65°FHi: 18°C | Lo: 41°FLo: 5°C | Hi: 65°FHi: 18°C | Lo: 41°FLo: 5°C | Hi: 71°FHi: 22°C | Lo: 45°FLo: 7°C | Hi: 71°FHi: 22°C | Lo: 45°FLo: 7°C | Hi: 75°FHi: 24°C | Lo: 45°FLo: 7°C | Hi: 71°FHi: 22°C | Lo: 45°FLo: 7°C |
| POP: 20% | POP: 20% | POP: 40% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 518 AM MDT Sun Sep 27 2026 
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Issued: 115 AM MDT Sun Sep 27 2026
Key Messages
- Isolated to scattered showers and a few thunderstorms late afternoon through Monday night. Best chance for precipitation will be over the Beartooth/Absaroka mountains and SE Montana.
- An isolated strong thunderstorm or two is possible over SE Montana tonight into early Monday.
- Mild and dry pattern prevails Tuesday into next weekend.
Discussion
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Next 7 days (Today through Saturday)...
Splitting upper level system moves over the forecast area today through Monday night. Overall the energ...