3 Reservoir, WI Weather Forecast
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3 Reservoir Weather Forecast
| TODAY | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT |
| Chance of Showers | Partly Cloudy | Mostly Sunny | Partly Cloudy | Mostly Sunny | Partly Cloudy | Mostly Cloudy | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Partly Sunny | Partly Cloudy |
| Hi: 80°FHi: 27°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | Lo: 51°FLo: 11°C | Hi: 80°FHi: 27°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C | Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C | Hi: 81°FHi: 27°C Lo: 61°FLo: 16°C |
| POP: 20% | POP: 60% | POP: 40% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 241 AM CDT Wed Aug 26 2026 

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Issued: 253 AM CDT Wed Aug 26 2026
Key Messages
- Slightly cooler temperatures today and Thursday with apparent temperatures in the mid 70s slightly increasing Friday and into the weekend.
- Precipitation and storm chances increase through the weekend, initially overnight Friday into Saturday. Current confidence regarding storm strength and coverage remains low (<15%).
Discussion
... Issued at 242 AM CDT Wed Aug 26 2026
Dry Through Friday:
Low level cold air advection in the wake of the upper level trough shifting east across the northern Great...
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