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Grant Lake, IN Weather Forecast
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Grant Lake Weather Forecast
| REST OF TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY |
 |  |  | | | | | | | | | |
| Chance of T-Storm | Mostly Sunny | Mostly Clear | Sunny | Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny |
| Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C | Lo: 61°FLo: 16°C | Hi: 85°FHi: 29°C | Lo: 60°FLo: 16°C | Hi: 89°FHi: 32°C | Lo: 61°FLo: 16°C | Hi: 91°FHi: 33°C | Lo: 69°FLo: 21°C | Hi: 91°FHi: 33°C | Lo: 71°FLo: 22°C | Hi: 91°FHi: 33°C |
| POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 820 PM EDT Wed Aug 26 2026 
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Issued: 221 AM EDT Thu Aug 27 2026
Key Messages
- Early morning cluster of storms will dive south toward south- central KY. Areas east of I-65 expected to remain dry this morning.
- A cold front will be sitting across our area today, and will fire off additional isolated to widely scattered afternoon showers and storms south of the WK/BG Parkways. Best precip chances in our area will be near Lake Cumberland. Severe weather risk remains low.
- Temperatures gradually warm up through the weekend. We expect daytime highs mainly in the upper...