Weather Alert
Sy Lake Weather Warning NWS WEATHER ALERT FOR THE SY LAKE, WI AREA - Issued: 220 AM CDT Tue Aug 18 2026 Sy Lake Weather Warning

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Sy Lake, WI Weather - Hour by Hour Forecast

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Sy Lake, WI Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Clear. Temperature is 77°F25°C, dew point 63°F17°C, humidity 61%. Wind direction is W at 14 mph23 km/h with visibility of 10 mi16 km. Barometric pressure is 29.94 in1014 mb.
Today - Mostly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. West wind 10 to 15 mph. Chance of r.. Full Forecast
Tonight - Partly cloudy. A chance of showers and thunderstorms in the evening. Lows in the upper 50s. Northwest wind 5 to 10 mph. Chance of .. Full Forecast

Sy Lake Hourly Weather

24 Hour Forecast Scroll
Tue, Aug 18
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Sy Lake, WI Hourly Weather - Mostly Cloudy - 10:00 AM Sy Lake, WI Hourly Weather - Mostly Cloudy - 11:00 AM Sy Lake, WI Hourly Weather - Cloudy - 12:00 PM Sy Lake, WI Hourly Weather - Cloudy - 1:00 PM Sy Lake, WI Hourly Weather - Cloudy - 2:00 PM Sy Lake, WI Hourly Weather - Mostly Cloudy - 3:00 PM Sy Lake, WI Hourly Weather - Mostly Cloudy - 4:00 PM Sy Lake, WI Hourly Weather - Mostly Cloudy - 5:00 PM Sy Lake, WI Hourly Weather - Cloudy - 6:00 PM Sy Lake, WI Hourly Weather - Cloudy - 7:00 PM Sy Lake, WI Hourly Weather - Cloudy - 8:00 PM Sy Lake, WI Hourly Weather - Mostly Cloudy - 9:00 PM Sy Lake, WI Hourly Weather - Mostly Cloudy - 10:00 PM Sy Lake, WI Hourly Weather - Mostly Cloudy - 11:00 PM Sy Lake, WI Hourly Weather - Mostly Cloudy - 12:00 AM Sy Lake, WI Hourly Weather - Mostly Cloudy - 1:00 AM Sy Lake, WI Hourly Weather - Mostly Cloudy - 2:00 AM Sy Lake, WI Hourly Weather - Clear - 3:00 AM Sy Lake, WI Hourly Weather - Clear - 4:00 AM Sy Lake, WI Hourly Weather - Clear - 5:00 AM Sy Lake, WI Hourly Weather - Clear - 6:00 AM Sy Lake, WI Hourly Weather - Clear - 7:00 AM Sy Lake, WI Hourly Weather - Clear - 8:00 AM Sy Lake, WI Hourly Weather - Clear - 9:00 AM
Mostly Cloudy Mostly Cloudy Cloudy Cloudy Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Cloudy Cloudy Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Clear Clear Clear Clear Clear Clear Clear
78°F26°C 80°F27°C 82°F28°C 84°F29°C 84°F29°C 84°F29°C 84°F29°C 82°F28°C 80°F27°C 78°F26°C 75°F24°C 72°F22°C 69°F21°C 68°F20°C 66°F19°C 65°F18°C 64°F18°C 64°F18°C 63°F17°C 63°F17°C 62°F17°C 62°F17°C 66°F19°C 69°F21°C
- - - - Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain - - - - - - - -
18% 18% 18% 18% 46% 46% 46% 46% 46% 46% 56% 56% 56% 56% 56% 56% 8% 8% 8% 8% 8% 8% 4% 4%
62°F17°C 62°F17°C 62°F17°C 62°F17°C 62°F17°C 62°F17°C 62°F17°C 62°F17°C 63°F17°C 63°F17°C 63°F17°C 63°F17°C 63°F17°C 63°F17°C 62°F17°C 62°F17°C 61°F16°C 60°F16°C 59°F15°C 59°F15°C 59°F15°C 59°F15°C 59°F15°C 59°F15°C
58% 54% 51% 48% 48% 48% 48% 51% 56% 60% 66% 73% 81% 84% 87% 90% 90% 87% 87% 87% 90% 90% 78% 71%
SSW SSW SSW SSW SW SW SW SW SW SSW SSW W NW NW NNW N N N N N N N SSW SE
9 mph 9 mph 10 mph 10 mph 10 mph 10 mph 10 mph 10 mph 8 mph 8 mph 8 mph 4 mph 4 mph 4 mph 4 mph 4 mph 4 mph 3 mph 3 mph 3 mph 3 mph 3 mph 3 mph 6 mph
10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 6 mi10 km 6 mi10 km 5 mi8 km 6 mi10 km 6 mi10 km 10 mi16 km 10 mi16 km 10 mi16 km
Hour (CDT)
Weather
Clouds
Temperature
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POP
Dewpoint
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Visibility
POP = Probability of Precipitation. ** Indicates missing data/values from KSBM model statistics.

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Prob Precip % = Probability of Precipitation.

Sy Lake 36 Hour Forecast

POP = Probability of Precipitation. ** Indicates missing data/values from model statistics.

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