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Olsons, WI Weather Forecast
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Olsons Weather Forecast
| EARLY THIS MORNING | TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
 | |  |  |  | |  | | | | | |
| Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Chance of Showers | Chance of T-Storm | Chance of T-Storm | Mostly Cloudy | Chance of Showers | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm |
| Hi: 79°FHi: 26°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: 71°FHi: 22°C | Lo: 61°FLo: 16°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 71°FHi: 22°C | |
| POP: 90% | POP: 90% | POP: 20% | POP: 60% | POP: 40% | POP: 40% | POP: 60% | POP: 70% | POP: 60% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 431 AM CDT Tue Sep 15 2026 
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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...