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Brillion, WI Weather Forecast
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Brillion Weather Forecast
| TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT |
 |  |  |  |  |  | |  | |  |  | |
| Thunderstorms | Clearing | Clear | Patchy Fog | Mostly Cloudy | Chance of Showers | Patchy Fog | Mostly Cloudy | Mostly Cloudy | Chance of Showers | Showers | Chance of Showers |
| Lo: 55°FLo: 13°C | Hi: 61°FHi: 16°C | Lo: 39°FLo: 4°C | Hi: 59°FHi: 15°C | Lo: 41°FLo: 5°C | Hi: 60°FHi: 16°C | Lo: 49°FLo: 9°C | Hi: 65°FHi: 18°C Lo: 51°FLo: 11°C | Hi: 65°FHi: 18°C Lo: 51°FLo: 11°C | Lo: 55°FLo: 13°C | Hi: 61°FHi: 16°C | Lo: 51°FLo: 11°C |
| POP: 90% | POP: 30% | POP: 50% | POP: 60% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1113 PM CDT Wed Oct 28 2026 
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Instant definitions for any meteorological term.
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Issued: 1204 AM CDT Thu Oct 29 2026
Key Messages
- Showers and isolated thunderstorms will come to an end early this morning.
- Additional chances for scattered showers this weekend (20-40%) with increasing chances for rain (50-70%) and gusty winds early next week, peaking on Election Day.
- Hazardous conditions for small craft will come to an end Thursday morning. There may be a period of gusty winds along the bay that may result in hazardous conditions for small craft.
Discussion
... Issued at 1141 PM CDT Wed Oct 28 2026
Scattered showers...