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Friess Lake, WI Weather Forecast
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Friess Lake Weather Forecast
| TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY |
 |  |  | | |  | | | | |  |  |
| Chance of T-Storm | Mostly Sunny | Mostly Clear | Sunny | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Mostly Clear | Sunny | Partly Cloudy | Chance of Showers |
| Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | Lo: 55°FLo: 13°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 80°FHi: 27°C | Lo: 60°FLo: 16°C | Hi: 79°FHi: 26°C | Lo: 55°FLo: 13°C | Hi: 79°FHi: 26°C | Lo: 55°FLo: 13°C | Hi: 79°FHi: 26°C |
| POP: 90% | POP: 30% | POP: 50% | POP: 30% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1030 PM CDT Tue Aug 18 2026 
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Friess Lake Forecast Discussion
Issued: 750 PM CDT Tue Aug 18 2026
Key Messages
- Storms are exiting southern Wisconsin.
- Dry and pleasant conditions Wednesday through Thursday. Rain chances return Friday, but overall nice weather is expected for the weekend.
Aviation
... Issued 750 PM CDT Tue Aug 18 2026
Storms are exiting far southern WI within the next hour. Expect decreasing clouds overnight and light winds. Fog is expected in the Wisconsin River Valley and also patchy fog for areas from the Dells to Madison to Janesville and westward...