Weather World
Wyona Lake, WI Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Wyona Lake Weather Forecast
| TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY |
 |  |  |  |  | | |  |  | |  |  |
| Patchy Fog | Sunny | Chance of T-Storm | Chance of T-Storm | Mostly Clear | Sunny | Mostly Clear | Partly Sunny | Partly Cloudy | Mostly Sunny | Chance of Showers | Chance of Showers |
| Lo: 55°FLo: 13°C | Hi: 80°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 80°FHi: 27°C | Lo: 59°FLo: 15°C | Hi: 80°FHi: 27°C | Lo: 55°FLo: 13°C | Hi: 79°FHi: 26°C | Lo: 55°FLo: 13°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 81°FHi: 27°C |
| POP: 40% | POP: 60% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1030 PM CDT Wed Aug 19 2026 
Wyona Lake Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Wyona Lake Weather Map
Wyona Lake Quick Facts
Wyona Lake Forecast Discussion
Issued: 1103 PM CDT Wed Aug 19 2026
Key Messages
- Patchy dense fog may occur tonight into early Thursday morning across parts of southwest and south central Wisconsin.
- Dry and pleasant conditions through Thursday with drier air in place.
- Shower/storm chances return Thursday night into Friday.
Aviation
... Issued 1100 PM CDT Wed Aug 19 2026
Weak high pressure overhead will allow for light winds overnight and will thus bring a chance for fog across parts of southern WI with models indicating southwest and so...