5 Reservoir, WI Weather Forecast
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5 Reservoir Weather Forecast
| TODAY | TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT |
| Patchy Fog | Partly Cloudy | Partly Sunny | Chance of T-Storm | Mostly Sunny | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Sunny | Chance of Showers | Chance of Showers | Showers |
| Hi: 79°FHi: 26°C | Lo: 51°FLo: 11°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C | Hi: 81°FHi: 27°C Lo: 59°FLo: 15°C | Hi: 81°FHi: 27°C Lo: 59°FLo: 15°C | Lo: 51°FLo: 11°C | Hi: 81°FHi: 27°C | Lo: 59°FLo: 15°C | Hi: 80°FHi: 27°C | Lo: 61°FLo: 16°C |
| POP: 50% | POP: 30% | POP: 50% | POP: 60% |
POP = Probability of Precipitation.
Weather Outlook Updated: 326 AM CDT Mon Aug 24 2026 

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Issued: 1248 AM CDT Mon Aug 24 2026
Key Messages
- Temperatures and humidity gradually increasing through midweek with highs in the mid 70s to mid 80s.
- Thunderstorm chances return Tuesday afternoon and evening. Some could be strong, mainly across the northwest half of our forecast area.
- Lingering showers possible on Wednesday, with next chance of rain over the weekend.
Discussion
... Issued at 1239 AM CDT Mon Aug 24 2026
Fog potential this morning, gradual increase in warmth/moisture
Cirrus from convection over North Dakota will continue...
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