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Roothouse Lake, WI Weather Forecast
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Roothouse Lake Weather Forecast
| REST OF THE AFTERNOON | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SUNDAY | SUNDAY NIGHT | MONDAY |
 |  |  |  | | | |  |  | | | |
| Sunny | Clear | Clearing | Patchy Fog | Mostly Sunny | Mostly Clear | Partly Cloudy | Mostly Cloudy | Mostly Cloudy | Mostly Cloudy | Mostly Cloudy | Partly Cloudy |
| Hi: 65°FHi: 18°C | Lo: 41°FLo: 5°C | Hi: 69°FHi: 21°C | Lo: 41°FLo: 5°C | Hi: 69°FHi: 21°C | Lo: 45°FLo: 7°C | Hi: 65°FHi: 18°C | Hi: 69°FHi: 21°C Lo: 51°FLo: 11°C | Hi: 69°FHi: 21°C Lo: 51°FLo: 11°C | Hi: 61°FHi: 16°C Lo: 39°FLo: 4°C | Hi: 61°FHi: 16°C Lo: 39°FLo: 4°C | Hi: 51°FHi: 11°C Lo: 31°FLo: -1°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 228 PM CDT Tue Oct 20 2026 
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Issued: 1147 AM CDT Tue Oct 20 2026
Key Messages
- Patchy dense fog will develop late tonight into Wednesday morning across east-central Wisconsin and areas west of Green Bay, locally dropping visibilities below 1/2 mile.
- Dry and mild conditions across the region through Saturday afternoon with inland high temperatures warming into the middle 60s to lower 70s.
- A 20 to 30 percent chance of light rain showers Saturday night into Sunday across central and northern Wisconsin.
- Cooler air filters for early next week, dropping daytime high ...