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Marathon Weather Forecast
| TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
 | |  |  | | | | | |  |  |  |
| Chance of Showers | Chance of Showers | Partly Cloudy | Partly Cloudy | Light Rain | Light Rain | Light Rain | Showers | Showers | Chance of Showers | Partly Sunny | Mostly Cloudy |
| Hi: 51°FHi: 11°C | Lo: 45°FLo: 7°C | Hi: 61°FHi: 16°C | Lo: 49°FLo: 9°C | Hi: 60°FHi: 16°C | Lo: 55°FLo: 13°C | Hi: 65°FHi: 18°C | Lo: 45°FLo: 7°C | Hi: 59°FHi: 15°C | Lo: 41°FLo: 5°C | Hi: 55°FHi: 13°C | Lo: 40°FLo: 4°C |
| POP: 40% | POP: 30% | POP: 80% | POP: 100% | POP: 100% | POP: 70% | POP: 60% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 654 AM CDT Sat Oct 31 2026 
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Issued: 1244 PM CDT Sat Oct 31 2026
Key Messages
- Spotty light rain and sprinkles (30-60% chances) for Halloween. Rainfall amounts less than 0.10 inch.
- Unsettled conditions much of next week, with widespread showers (70-95%) and gusty winds Monday afternoon through Wednesday, peaking Monday night into Election Day.
- Shower chances (10-20%) lingers Thursday into Friday.
- The probability of 48-hour rainfall totals over 1" from Monday afternoon through Wednesday afternoon range from 60-90% north and west of the Fox Valley to 40-60% over ...