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Key Lake, WI Weather Forecast
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Key Lake Weather Forecast
| THIS AFTERNOON | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY |
 |  |  |  |  |  | | | |  |  | |
| Partly Sunny | Chance of Showers | Partly Cloudy | Mostly Clear | Mostly Sunny | Partly Cloudy | Partly Cloudy | Mostly Clear | Mostly Clear | Chance of Showers | Showers | Chance of Showers |
| Hi: 65°FHi: 18°C | Lo: 50°FLo: 10°C | Hi: 70°FHi: 21°C | Lo: 49°FLo: 9°C | Hi: 70°FHi: 21°C | Hi: 69°FHi: 21°C Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C Lo: 49°FLo: 9°C | Hi: 71°FHi: 22°C Lo: 50°FLo: 10°C | Hi: 71°FHi: 22°C Lo: 50°FLo: 10°C | Hi: 69°FHi: 21°C | Lo: 55°FLo: 13°C | Hi: 65°FHi: 18°C |
| POP: 20% | POP: 40% | POP: 70% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 123 PM CDT Thu Sep 24 2026 
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Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 1230 PM CDT Thu Sep 24 2026
Key Messages
- Patchy fog, locally dense, may again be possible late tonight into early Friday morning.
- High pressure will maintain mostly dry weather through early next week.
- Next widespread rain chances arrive during the middle of next week.
Discussion
... Issued at 1200 PM CDT Thu Sep 24 2026
Latest surface and radar obs show a broad area of light rain impinging on northwest Wisconsin this afternoon where mid-level shortwave and weak moisture convergence reside. Scattered showers should make it to ...