Weather World155 Reservoir, WI Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
155 Reservoir Weather Forecast
| LATE THIS AFTERNOON | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT |
 |  |  |  | | | | | | |  |  |
| Mostly Sunny | Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Chance of Showers |
| Lo: 59°FLo: 15°C | Hi: 71°FHi: 22°C | Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C | Lo: 69°FLo: 21°C | Hi: 89°FHi: 32°C | Lo: 70°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 65°FLo: 18°C | |
| POP: 80% | POP: 30% | POP: 30% | POP: 40% | POP: 20% | POP: 30% | POP: 40% | POP: 50% | POP: 30% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 430 PM CDT Fri Aug 28 2026 
155 Reservoir Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
155 Reservoir Weather Map
155 Reservoir Quick Facts
155 Reservoir Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 254 PM CDT Fri Aug 28 2026
Key Messages
- A few patches of fog possible early Saturday morning in river valleys.
- Isolated thunderstorms possible in southwestern Wisconsin Saturday afternoon, while light rain showers prevail elsewhere.
- Isolated thunderstorms across all of southern Wisconsin Sunday into Sunday night. A few storms may become severe (marginal risk, 1 out of 5), especially into the evening and early overnight hours.
- Periods of on and off thunderstorms, with some strong to severe, Monday night through the majority...