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Summit Lake, WI Weather Forecast
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Summit Lake Weather Forecast
| TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT |
 |  |  |  |  |  |  |  | | | |  |
| Partly Cloudy | Chance of Showers | Chance of Showers | Partly Cloudy | Partly Sunny | Chance of Showers | Chance of T-Storm | Chance of T-Storm | Mostly Cloudy | Partly Cloudy | Partly Cloudy | Mostly Cloudy |
| Hi: 79°FHi: 26°C | Lo: 61°FLo: 16°C | Hi: 75°FHi: 24°C | Lo: 49°FLo: 9°C | Hi: 61°FHi: 16°C | Lo: 41°FLo: 5°C | Hi: 69°FHi: 21°C Lo: 51°FLo: 11°C | Hi: 69°FHi: 21°C Lo: 51°FLo: 11°C | Hi: 69°FHi: 21°C | Hi: 69°FHi: 21°C Lo: 45°FLo: 7°C | Hi: 69°FHi: 21°C Lo: 45°FLo: 7°C | Lo: 49°FLo: 9°C |
| POP: 50% | POP: 20% | POP: 30% | POP: 90% | POP: 90% |
POP = Probability of Precipitation.
Weather Outlook Updated: 922 AM CDT Fri Sep 11 2026 
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Meteorlogic Glosserator
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Issued: 1243 PM CDT Fri Sep 11 2026
Key Messages
- Chances for thunderstorms return tonight into Saturday morning. The severe weather threat is low.
- A round of heavy rain and thunderstorms is possible Monday into Tuesday. However, predictability of any severe storms is low.
- Gusty south-southwest winds will generate high waves along Lake Michigan this afternoon through Saturday morning, causing hazardous conditions to small craft and dangerous swimming conditions at Lake Michigan beaches.
Discussion
... Issued at 150 AM CDT Fri Sep 11 2...