Gray Lake, WI Weather Forecast
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Gray Lake Weather Forecast
| TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY |
| Clear | Sunny | Clear | Sunny | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Chance of Showers | Chance of T-Storm | Chance of T-Storm | Partly Sunny |
| Lo: 51°FLo: 11°C | Hi: 75°FHi: 24°C | Lo: 51°FLo: 11°C | Hi: 80°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 79°FHi: 26°C Lo: 50°FLo: 10°C | Hi: 79°FHi: 26°C Lo: 50°FLo: 10°C | Hi: 71°FHi: 22°C | Lo: 51°FLo: 11°C | Hi: 75°FHi: 24°C | Lo: 59°FLo: 15°C | Hi: 71°FHi: 22°C |
| POP: 50% | POP: 90% | POP: 80% |
POP = Probability of Precipitation.
Weather Outlook Updated: 842 PM CDT Wed Sep 09 2026 

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Issued: 1040 PM CDT Wed Sep 9 2026
Key Messages
- Chances for thunderstorms return on Friday night into Saturday morning, though the severe weather threat is low.
- Potential for heavy rainfall and thunderstorms increases Sunday into Monday as a stronger low pressure system tracks near the region, though forecast uncertainty remains high.
Discussion
... Issued at 131 PM CDT Wed Sep 9 2026
RAP analysis indicates a cold front dropping into southeast Wisconsin early this afternoon, with surface high pressure centered over the northern Plain...
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