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Case Lake, IN Weather Forecast
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Case Lake Weather Forecast
| TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
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| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Chance of Showers | Chance of Showers | Chance of Showers | Chance of Showers | Chance of T-Storm | Chance of T-Storm | Mostly Cloudy | Partly Cloudy |
| Hi: 71°FHi: 22°C | Lo: 69°FLo: 21°C | Hi: 71°FHi: 22°C | Lo: 51°FLo: 11°C | Hi: 65°FHi: 18°C | Lo: 49°FLo: 9°C | Hi: 65°FHi: 18°C | Lo: 50°FLo: 10°C | Hi: 65°FHi: 18°C | Lo: 51°FLo: 11°C | Hi: 69°FHi: 21°C | Lo: 51°FLo: 11°C |
| POP: 90% | POP: 90% | POP: 80% | POP: 40% | POP: 20% | POP: 20% | POP: 20% | POP: 40% | POP: 50% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 358 AM EDT Sat Sep 19 2026 
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Issued: 245 AM EDT Sat Sep 19 2026
Key Messages
- Several rounds of heavy rain and embedded thunderstorms this weekend. A Flash Flood Watch remains in effect for portions of the forecast area.
- Low chances for scattered rain showers linger into the first half of next week.
- Cooler next week with highs only in the 60s Monday through Wednesday.
Discussion
... Issued at 245 AM EDT Sat Sep 19 2026
Well advertised return to periodically wet/stormy wx on track for this weekend as another moisture laden frontal zone sets up over the area. Conve...