Weather WorldLake John, WI Weather Forecast
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Lake John Weather Forecast
| TONIGHT | COLUMBUS DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY |
 |  |  | |  | |  |  |  | | |  |
| Mostly Cloudy | Partly Cloudy | Chance of T-Storm | Partly Cloudy | Partly Cloudy | Partly Cloudy | Mostly Clear | Chance of Showers | Chance of Showers | Partly Cloudy | Partly Cloudy | Clear |
| Lo: 59°FLo: 15°C | Hi: 81°FHi: 27°C | Lo: 55°FLo: 13°C | Hi: 65°FHi: 18°C Lo: 45°FLo: 7°C | Hi: 65°FHi: 18°C Lo: 45°FLo: 7°C | Hi: 61°FHi: 16°C | Lo: 39°FLo: 4°C | Hi: 60°FHi: 16°C | Lo: 40°FLo: 4°C | Hi: 51°FHi: 11°C Lo: 29°FLo: -2°C | Hi: 51°FHi: 11°C Lo: 29°FLo: -2°C | Hi: 51°FHi: 11°C Lo: 30°FLo: -1°C |
| POP: 50% | POP: 40% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 538 PM CDT Sun Oct 11 2026 
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Issued: 1131 PM CDT Sun Oct 11 2026
Key Messages
- Record or near-record highs are expected Monday afternoon. Inland temperatures are expected to read in the upper 70s to mid 80s.
- There is a 30 to 90% percent chance for light rain across the region Monday afternoon into Tuesday morning, highest chances north. A couple rumbles of thunder will also be possible.
- Chances for more widespread soaking precip arrive late this week, though there is still much uncertainty. Much cooler temperatures next weekend.
Discussion
... Issued at 1131 PM C...