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River Lake, WI Weather Forecast
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River Lake Weather Forecast
| TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT |
 |  | |  |  |  | | | |  | | |
| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Clearing | Sunny | Mostly Clear | Mostly Clear | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Chance of T-Storm | Chance of T-Storm |
| Hi: 81°FHi: 27°C | Lo: 59°FLo: 15°C | Hi: 80°FHi: 27°C | Lo: 51°FLo: 11°C | Hi: 80°FHi: 27°C | Hi: 80°FHi: 27°C Lo: 45°FLo: 7°C | Hi: 80°FHi: 27°C Lo: 45°FLo: 7°C | Lo: 55°FLo: 13°C | Hi: 81°FHi: 27°C | Lo: 60°FLo: 16°C | Hi: 81°FHi: 27°C | Lo: 59°FLo: 15°C |
| POP: 20% | POP: 40% | POP: 20% | POP: 20% | POP: 20% | POP: 40% | POP: 20% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 351 AM CDT Tue Aug 25 2026 
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Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 212 AM CDT Tue Aug 25 2026
Key Messages
- A round of showers and storms early this morning will bring some locally heavy rain and lightning to the area, though severe weather is unlikely.
- A second round of thunderstorms will develop this afternoon and evening, with a risk of strong to severe storms which may produce large hail and damaging wind gusts.
- Seasonal, dry conditions return for the later part of this week.
Discussion
... Issued at 135 PM CDT Mon Aug 24 2026
Current Conditions/Tonight:
High pressure has exited the region...