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Upper Summit Lake, IN Weather Forecast
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Upper Summit Lake Weather Forecast
| REST OF TONIGHT | COLUMBUS DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY |
 |  |  |  |  |  |  |  |  |  | |  |
| Patchy Fog | Clearing | Clear | Sunny | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Showers Likely | Showers | Chance of Showers | Chance of Showers | Snow Showers |
| Lo: 55°FLo: 13°C | Hi: 85°FHi: 29°C | Lo: 70°FLo: 21°C | Hi: 89°FHi: 32°C | Lo: 65°FLo: 18°C | Hi: 75°FHi: 24°C | Lo: 55°FLo: 13°C | Hi: 69°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 61°FHi: 16°C | Lo: 39°FLo: 4°C | Hi: 55°FHi: 13°C |
| POP: 50% | POP: 70% | POP: 50% | POP: 60% | POP: 70% | POP: 50% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1142 PM EDT Sun Oct 11 2026 
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Issued: 725 PM EDT Sun Oct 11 2026
Key Messages
- Warm on Monday and Tuesday with highs generally in the 80s.
- Low chances (10-30%) for a few showers and storms along and north of the Michigan stateline Monday night.
- Additional chances (40-70%) of showers arrives Tuesday night through Thursday.
Discussion
... Issued at 115 PM EDT Sun Oct 11 2026
Ridging through the column will provide a trend toward mostly clear skies and light winds tonight. This may allow for patchy fog/stratus development overnight into early Monday, especially over ...