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Lake Nineteen Weather Forecast
| REST OF TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT |
 |  |  |  | | |  | | |  |  | |
| Partly Sunny | Partly Cloudy | Mostly Sunny | Clear | Mostly Sunny | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Sunny | Chance of Showers | Chance of Showers | Partly Cloudy |
| Hi: 79°FHi: 26°C | Lo: 51°FLo: 11°C | Hi: 75°FHi: 24°C | Lo: 49°FLo: 9°C | Hi: 75°FHi: 24°C | Hi: 75°FHi: 24°C Lo: 49°FLo: 9°C | Hi: 75°FHi: 24°C Lo: 49°FLo: 9°C | Lo: 51°FLo: 11°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | Hi: 79°FHi: 26°C Lo: 51°FLo: 11°C |
| POP: 50% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 942 AM CDT Fri Aug 21 2026 
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Lake Nineteen Forecast Discussion
Issued: 918 AM CDT Fri Aug 21 2026
Key Messages
- Scattered storms possible in southwest Wisconsin early this afternoon, some of which may be on the stronger side.
- Seasonal temperatures continue into next week with highs in the 70s to lower 80s.
- Dry weekend with the next potential round of storms coming Tuesday and Wednesday of next week.
Discussion
... Issued at 915 AM CDT Fri Aug 21 2026
Early this Afternoon: Storm Potential
Our early morning convection is pushing off into south-central and southeastern Wisconsin by 9am, with the focu...