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Clair Lake, IN Weather Forecast
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Clair Lake Weather Forecast
| TODAY | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT |
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| Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Chance of Showers | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of Showers |
| Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 75°FHi: 24°C | Lo: 59°FLo: 15°C | Hi: 81°FHi: 27°C | Lo: 69°FLo: 21°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 71°FHi: 22°C | Lo: 55°FLo: 13°C | Hi: 71°FHi: 22°C | Lo: 55°FLo: 13°C |
| POP: 90% | POP: 20% | POP: 20% | POP: 70% | POP: 70% | POP: 60% | POP: 50% | POP: 50% | POP: 50% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 643 AM EDT Thu Sep 17 2026 
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Issued: 543 AM EDT Thu Sep 17 2026
Key Messages
- Numerous showers and thunderstorms expected this morning. Heavy rain and associated flooding potential are the greatest concern, especially in areas that experienced heavy rain over the past 24 to 36 hours. A Flood Watch is in effect for parts of northern Indiana and northwest Ohio.
- Dry and less humid conditions on Friday followed by renewed opportunties for rain and storms this weekend.
Discussion
... Issued at 241 AM EDT Thu Sep 17 2026
Moisture advection within a broad ~25 knot low l...