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Jackknife Lake, WI Weather Forecast
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Jackknife Lake Weather Forecast
| REST OF THE AFTERNOON | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT |
 |  | |  |  | |  |  | |  | | |
| Mostly Cloudy | Patchy Fog | Mostly Cloudy | Clearing | Sunny | Patchy Fog | Partly Cloudy | Chance of Showers | Mostly Sunny | Clear | Clear | Clear |
| Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 69°FHi: 21°C | Lo: 41°FLo: 5°C | Hi: 61°FHi: 16°C | Lo: 35°FLo: 2°C | Hi: 61°FHi: 16°C | Lo: 45°FLo: 7°C | Hi: 65°FHi: 18°C | Lo: 35°FLo: 2°C | Hi: 60°FHi: 16°C Lo: 35°FLo: 2°C | Hi: 60°FHi: 16°C Lo: 35°FLo: 2°C |
| POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 354 PM CDT Wed Sep 30 2026 
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Issued: 1205 PM CDT Wed Sep 30 2026
Key Messages
- Another round of rain is expected tonight into Thursday. Total rainfall amounts up to about 0.5 inches are forecast for portions of central to east-central Wisconsin.
- Persistent Southerly winds will result in hazardous swimming and boating conditions on Lake Michigan through this evening.
- Patchy frost will be possible at times across northern Wisconsin late this week into the weekend. Greatest chance for a freeze is Sunday night across northern WI.
Discussion
... Issued at 1203 PM CDT ...