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Bittersweet Lake, IN Weather Forecast
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Bittersweet Lake Weather Forecast
| REST OF TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY |
 |  |  |  | | | | |  | |  | |
| Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Mostly Sunny | Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Chance of T-Storm | Mostly Clear | Mostly Clear |
| Lo: 71°FLo: 22°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 85°FHi: 29°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 79°FHi: 26°C | Lo: 60°FLo: 16°C | Hi: 79°FHi: 26°C | Hi: 81°FHi: 27°C Lo: 60°FLo: 16°C | Hi: 81°FHi: 27°C Lo: 60°FLo: 16°C |
| POP: 70% | POP: 20% | POP: 40% | POP: 60% | POP: 20% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 853 PM EDT Sun Aug 16 2026 
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Bittersweet Lake Forecast Discussion
Issued: 854 PM EDT Sun Aug 16 2026
Key Messages
- Storm threat continues through tonight, with locally damaging winds and heavy rain possible, mainly across southern Central Indiana.
- Heat index values in excess of 100 possible today in southern portions of central Indiana
- Dry and milder weather early in the work week
- Additional storms possible mid week.
Discussion
(This evening through Sunday)... Issued at 146 PM EDT Sun Aug 16 2026
Surface analysis this afternoon shows low pressure in place over Ontario, ...