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Sy Lake, WI Weather Forecast

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Sy Lake, WI Weather Forecast

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Sy Lake WI weather - Clear - 62°F
Clear
62°F
Updated 10:05 pm
Feels Like 63°F
Humidity 96%
Wind SW 6 mph
Barometer  29.89 in
Dew Point 61°F
Sy Lake WI weather - Clear - 17°C
Clear
17°C
Updated 10:05 pm
Feels Like 17°C
Humidity 96%
Wind SW 10 km/h
Barometer  101.2 kPa
Dew Point 16°C
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Sy Lake Weather Forecast

TONIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY
Sy Lake, WI Weather - Tonight Chance Of T-Storm Sy Lake, WI Weather - Wednesday Sunny Sy Lake, WI Weather - Wednesday Night Mostly Clear Sy Lake, WI Weather - Thursday Mostly Sunny Sy Lake, WI Weather - Thursday Night Chance Of Showers Sy Lake, WI Weather - Friday Chance Of T-Storm Sy Lake, WI Weather - Friday Night Chance Of T-Storm Sy Lake, WI Weather - Saturday Mostly Clear Sy Lake, WI Weather - Saturday Night Mostly Clear Sy Lake, WI Weather - Sunday Sunny Sy Lake, WI Weather - Sunday Night Mostly Clear Sy Lake, WI Weather - Monday Partly Cloudy
Chance of T-Storm Sunny Mostly Clear Mostly Sunny Chance of Showers Chance of T-Storm Chance of T-Storm Mostly Clear Mostly Clear Sunny Mostly Clear Partly Cloudy
Lo: 59°FLo: 15°C Hi: 79°FHi: 26°C
 Lo: 59°FLo: 15°C Hi: 80°FHi: 27°C
 Lo: 61°FLo: 16°C Hi: 80°FHi: 27°C
 Lo: 60°FLo: 16°C Hi: 79°FHi: 26°C
Lo: 55°FLo: 13°C		 Hi: 79°FHi: 26°C
Lo: 55°FLo: 13°C		 Hi: 75°FHi: 24°C
 Lo: 59°FLo: 15°C Hi: 79°FHi: 26°C
Lo: 60°FLo: 16°C
POP: 40% POP: 30% POP: 60% POP: 40%
POP = Probability of Precipitation.
Weather Outlook Updated: 622 PM CDT Tue Aug 18 2026 Sy Lake, WI Weather - WeatherWorld.com

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Sy Lake Forecast Discussion

Issued: 630 PM CDT Tue Aug 18 2026

Key Messages

  • Isolated to scattered showers and storms (40 to 60% chance) today. Marginal risk (level 1 of 5) for severe storms over portions of central and east-central Wisconsin.
  • Dry mid-week then next round of showers/storms arrives late Thursday into Friday.

Discussion

... Issued at 133 PM CDT Tue Aug 18 2026

Shower/Storm Chances Today... Initial showers have begun to develop across west, central, and southern Wisconsin this afternoon but are largely from the mid- le...