Weather World
Marathon, WI Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Marathon Weather Forecast
| EARLY THIS MORNING | TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | LABOR DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY |
 |  |  |  |  |  |  |  | | | |  |
| Thunderstorms | Chance of T-Storm | Chance of Showers | Patchy Fog | Mostly Clear | Partly Sunny | Mostly Cloudy | Chance of Showers | Chance of Showers | Chance of T-Storm | Chance of Showers | Partly Cloudy |
| Hi: 67°FHi: 19°C | Hi: 85°FHi: 29°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | Lo: 60°FLo: 16°C | Hi: 79°FHi: 26°C | Lo: 61°FLo: 16°C | Hi: 79°FHi: 26°C | Lo: 65°FLo: 18°C | Hi: 80°FHi: 27°C Lo: 59°FLo: 15°C |
| POP: 50% | POP: 20% | POP: 40% | POP: 50% | POP: 80% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 327 AM CDT Fri Sep 04 2026 
Marathon Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Marathon Weather Map
Marathon Quick Facts
Marathon Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 640 AM CDT Fri Sep 4 2026
Key Messages
- Scattered thunderstorms will end by mid-morning. Some of the storms could contain large hail and damaging winds. Torrential rainfall with rates of 1-2" per hour could lead to localized flooding.
- Isolated thunderstorms are possible again later this afternoon and early this evening. If storms develop, they could become strong or severe with damaging winds and large hail.
- Dry conditions prevail this weekend, then periodic rain/storm chances expected the first half of next week. Above no...