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City of Beaver Dam, WIBeaver Dam, WI Weather Forecast
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Beaver Dam Weather Forecast
| TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY |
 |  | | |  |  | | | | |  | |
| Mostly Cloudy | Mostly Cloudy | Mostly Cloudy | Partly Sunny | Mostly Clear | Sunny | Mostly Clear | Partly Sunny | Mostly Cloudy | Mostly Cloudy | Partly Cloudy | Partly Sunny |
| Lo: 51°FLo: 11°C | Hi: 61°FHi: 16°C | Lo: 49°FLo: 9°C | Hi: 61°FHi: 16°C | Lo: 45°FLo: 7°C | Hi: 61°FHi: 16°C | Lo: 45°FLo: 7°C | Hi: 65°FHi: 18°C | Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C | Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 731 PM CDT Sun Sep 20 2026 
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Issued: 615 PM CDT Sun Sep 20 2026
Key Messages
- A prolonged period of high swim risk conditions continues into Tuesday at all Lake Michigan beaches, and may need to be extended into Wednesday evening.
- Dry weather and below normal temperatures are expected for much of the upcoming week.
Aviation
... Issued 607 PM CDT Sun Sep 20 2026
Seeing some breaks in the clouds this evening resulting in MVFR ceiling between 1.5-3kft toward the WI/IL border with more broken VFR with swaths of MVFR ceilings toward I-94 corridor and northward. Expect...