Eureka, WI Weather Forecast
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Eureka Weather Forecast
| TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY |
| Mostly Cloudy | Showers Likely | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Mostly Cloudy | Mostly Cloudy | Chance of Showers | Mostly Cloudy | Partly Sunny | Mostly Clear | Partly Cloudy |
| Lo: 55°FLo: 13°C | Hi: 69°FHi: 21°C | Lo: 59°FLo: 15°C | Hi: 65°FHi: 18°C | Lo: 55°FLo: 13°C | Hi: 65°FHi: 18°C Lo: 51°FLo: 11°C | Hi: 65°FHi: 18°C Lo: 51°FLo: 11°C | Hi: 60°FHi: 16°C | Lo: 49°FLo: 9°C | Hi: 61°FHi: 16°C | Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C Lo: 51°FLo: 11°C |
| POP: 70% | POP: 100% | POP: 90% | POP: 50% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 943 PM CDT Thu Sep 17 2026 

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Issued: 1038 PM CDT Thu Sep 17 2026
Key Messages
- A period of heavy rainfall is expected Friday afternoon through Saturday, with the heaviest rain occurring Friday night. A 30 to 50 percent chance of rainfall exceeding 2 inches exists roughly south of Highway 29.
- A quieter and drier weather pattern will settle into the region early to mid next week.
Discussion
... Issued at 137 PM CDT Thu Sep 17 2026
High pressure will keep the weather dry across the region tonight. Lingering low level moisture may cause some fog across far north- cent...
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