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Gemco Lake, IN Weather Forecast
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Gemco Lake Weather Forecast
| TODAY | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT |
 |  | |  |  | | | |  | |  | |
| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Mostly Sunny | Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Partly Cloudy | Partly Cloudy | Partly Cloudy |
| Hi: 85°FHi: 29°C | Lo: 70°FLo: 21°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 80°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 80°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 75°FHi: 24°C | Lo: 59°FLo: 15°C | Hi: 75°FHi: 24°C | Lo: 59°FLo: 15°C |
| POP: 70% | POP: 40% | POP: 20% | POP: 50% | POP: 50% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 405 AM EDT Sun Aug 16 2026 
Gemco Lake Radar Loop
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Gemco Lake Forecast Discussion
Issued: 647 AM EDT Sun Aug 16 2026
Key Messages
1) More showers and thunderstorms will occur today. Locally heavy rainfall and some strong to severe storms will be possible.
2) A cold front will slowly move through the region tonight into Monday with another cold front moving through Wednesday and Wednesday night.
Discussion
... KEY MESSAGE 1) Thunderstorms developing in association with another impulse across Illinois and Missouri will move across the area this afternoon. This will also be in conjunctio...