Weather World
Arena, WI Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Arena Weather Forecast
| REST OF TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
 |  |  |  |  |  |  | | | | | |
| Thunderstorms | Chance of T-Storm | Partly Cloudy | Partly Sunny | Chance of T-Storm | Chance of Showers | Chance of Showers | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm |
| Lo: 65°FLo: 18°C | Hi: 71°FHi: 22°C | Lo: 51°FLo: 11°C | Hi: 70°FHi: 21°C | Lo: 60°FLo: 16°C | Hi: 75°FHi: 24°C | Lo: 59°FLo: 15°C | Hi: 71°FHi: 22°C | Lo: 61°FLo: 16°C | Hi: 75°FHi: 24°C | Lo: 59°FLo: 15°C | Hi: 69°FHi: 21°C |
| POP: 90% | POP: 80% | POP: 50% | POP: 20% | POP: 40% | POP: 70% | POP: 80% | POP: 70% | POP: 40% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 131 AM CDT Tue Sep 15 2026 
Arena Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Arena Weather Map
Arena Quick Facts
Arena Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 1152 PM CDT Mon Sep 14 2026
Key Messages
- Widespread showers and scattered thunderstorms expected through the night into Tuesday morning. Locally heavy rain and urban and small stream flooding are possible, especially for low-lying and urban areas west of a line from Port Washington to Janesville.
- Gale warning and small craft conditions expected for southern WI waters through tonight.
- A High Swim Risk is expected from the Sheboygan County beaches south to Kenosha County Beaches tonight into Tuesday morning due strong onshore...