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Newton Lake, WI Weather Forecast
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Newton Lake Weather Forecast
| TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
 |  |  |  |  | |  | | |  | | |
| Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Sunny | Mostly Clear | Sunny | Chance of Showers | Chance of T-Storm | Chance of Showers | Chance of Showers | Mostly Clear | Mostly Clear |
| Lo: 61°FLo: 16°C | Hi: 80°FHi: 27°C | Lo: 49°FLo: 9°C | Hi: 80°FHi: 27°C | Lo: 50°FLo: 10°C | Hi: 81°FHi: 27°C | Lo: 59°FLo: 15°C | Hi: 81°FHi: 27°C | Lo: 55°FLo: 13°C | Hi: 75°FHi: 24°C | Hi: 75°FHi: 24°C Lo: 51°FLo: 11°C | Hi: 75°FHi: 24°C Lo: 51°FLo: 11°C |
| POP: 50% | POP: 50% | POP: 50% | POP: 70% | POP: 40% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 952 PM CDT Mon Aug 17 2026 
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Newton Lake Forecast Discussion
Issued: 1026 PM CDT Mon Aug 17 2026
Key Messages
- Scattered showers (30 to 50% chance) and an isolated storm possible late tonight.
- Scattered showers and storms (30 to 60% chance) back on for Tuesday. Marginal risk (level 1 of 5) for severe storms over part of central Wisconsin, though greatest severe risk is still to the south.
- Rain chances return on Friday, though are not expected to be drought busting.
Discussion
... Issued at 1200 PM CDT Mon Aug 17 2026
Tonight/Tuesday... Broken line of showers/storms ...