Weather WorldLost Lake, IN Weather Forecast
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Lost Lake Weather Forecast
| TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY |
 |  |  |  |  | | | | | | | |
| Chance of Showers | Mostly Sunny | Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm |
| Lo: 49°FLo: 9°C | Hi: 75°FHi: 24°C | Lo: 61°FLo: 16°C | Hi: 89°FHi: 32°C | Lo: 65°FLo: 18°C | Hi: 80°FHi: 27°C | Lo: 69°FLo: 21°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 79°FHi: 26°C | Lo: 60°FLo: 16°C | Hi: 79°FHi: 26°C |
| POP: 40% | POP: 60% | POP: 80% | POP: 80% | POP: 50% | POP: 50% | POP: 20% | POP: 30% | POP: 40% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 758 PM EDT Sun Sep 13 2026 
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Issued: 724 PM EDT Sun Sep 13 2026
Key Messages
- Scattered showers likely mainly in northwest Indiana and far southwest Lower Michigan late this afternoon into the evening.
- There is a High swim risk forecast through late tonight for southeast Lake MI Beaches. Dangerous swimming conditions continue.
- Cooler Monday with highs in the 70s with comfortable humidity levels and sun.
- Turning hot and humid Tuesday and Wednesday. Rain and storms possible Tuesday afternoon through Wednesday with 30-70% chances.
Discussion
... Issued at 141 PM ED...