Shay Lake, WI Weather Forecast
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Shay Lake Weather Forecast
| TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY |
| Chance of T-Storm | Sunny | Mostly Clear | Partly Cloudy | Showers Likely | Chance of T-Storm | Chance of Showers | Mostly Sunny | Clear | Clear | Mostly Clear | Partly Cloudy |
| Lo: 51°FLo: 11°C | Hi: 79°FHi: 26°C | Lo: 50°FLo: 10°C | Hi: 81°FHi: 27°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | Lo: 55°FLo: 13°C | Hi: 79°FHi: 26°C | Hi: 79°FHi: 26°C Lo: 51°FLo: 11°C | Hi: 79°FHi: 26°C Lo: 51°FLo: 11°C | Lo: 51°FLo: 11°C | Hi: 79°FHi: 26°C Lo: 55°FLo: 13°C |
| POP: 40% | POP: 60% | POP: 60% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 622 PM CDT Tue Aug 18 2026 

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Shay Lake Forecast Discussion
Issued: 630 PM CDT Tue Aug 18 2026
Key Messages
- Isolated to scattered showers and storms (40 to 60% chance) today. Marginal risk (level 1 of 5) for severe storms over portions of central and east-central Wisconsin.
- Dry mid-week then next round of showers/storms arrives late Thursday into Friday.
Discussion
... Issued at 133 PM CDT Tue Aug 18 2026
Shower/Storm Chances Today... Initial showers have begun to develop across west, central, and southern Wisconsin this afternoon but are largely from the mid- le...
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